./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/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 f4df82ea580918989808f581f8b270f0b85e6120 ......................................................................................................................................................................................................................................................................................................................... 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_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/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 f4df82ea580918989808f581f8b270f0b85e6120 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:44:25,271 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:44:25,272 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:44:25,278 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:44:25,278 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:44:25,279 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:44:25,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:44:25,280 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:44:25,281 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:44:25,281 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:44:25,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:44:25,282 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:44:25,282 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:44:25,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:44:25,284 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:44:25,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:44:25,284 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:44:25,285 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:44:25,286 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:44:25,287 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:44:25,287 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:44:25,288 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:44:25,289 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:44:25,289 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:44:25,289 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:44:25,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:44:25,290 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:44:25,291 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:44:25,291 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:44:25,292 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:44:25,292 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:44:25,292 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:44:25,292 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:44:25,292 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:44:25,293 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:44:25,293 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:44:25,294 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:44:25,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:44:25,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:44:25,301 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:44:25,302 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:44:25,302 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:44:25,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:44:25,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:44:25,303 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:44:25,303 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:44:25,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:44:25,303 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:44:25,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:44:25,303 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:44:25,303 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:44:25,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:44:25,304 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:44:25,304 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:44:25,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:44:25,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:44:25,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:44:25,305 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_a675a7fc-2866-4f45-b75a-58645e44d250/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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-12-02 01:44:25,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:44:25,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:44:25,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:44:25,333 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:44:25,334 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:44:25,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-02 01:44:25,372 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data/af9ebea00/46bfaf9dbc3444f1ab76ac898017d06e/FLAGef48e29c8 [2018-12-02 01:44:25,815 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:44:25,815 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-02 01:44:25,819 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data/af9ebea00/46bfaf9dbc3444f1ab76ac898017d06e/FLAGef48e29c8 [2018-12-02 01:44:25,827 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data/af9ebea00/46bfaf9dbc3444f1ab76ac898017d06e [2018-12-02 01:44:25,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:44:25,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:44:25,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:44:25,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:44:25,832 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:44:25,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:25" (1/1) ... [2018-12-02 01:44:25,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed1acf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:25, skipping insertion in model container [2018-12-02 01:44:25,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:25" (1/1) ... [2018-12-02 01:44:25,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:44:25,850 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:44:25,961 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:44:25,964 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:44:26,021 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:44:26,034 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:44:26,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26 WrapperNode [2018-12-02 01:44:26,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:44:26,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:44:26,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:44:26,035 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:44:26,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:44:26,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:44:26,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:44:26,052 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:44:26,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... [2018-12-02 01:44:26,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:44:26,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:44:26,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:44:26,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:44:26,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/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 [2018-12-02 01:44:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:44:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 01:44:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 01:44:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:44:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 01:44:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:44:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:44:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:44:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 01:44:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 01:44:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 01:44:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 01:44:26,344 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:44:26,344 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 01:44:26,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:26 BoogieIcfgContainer [2018-12-02 01:44:26,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:44:26,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:44:26,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:44:26,347 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:44:26,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:44:25" (1/3) ... [2018-12-02 01:44:26,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749cc11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:26, skipping insertion in model container [2018-12-02 01:44:26,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:26" (2/3) ... [2018-12-02 01:44:26,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749cc11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:26, skipping insertion in model container [2018-12-02 01:44:26,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:26" (3/3) ... [2018-12-02 01:44:26,349 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-12-02 01:44:26,355 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:44:26,360 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:44:26,369 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:44:26,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:44:26,387 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:44:26,388 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:44:26,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:44:26,388 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:44:26,388 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:44:26,388 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:44:26,388 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:44:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-12-02 01:44:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:44:26,402 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:44:26,403 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] [2018-12-02 01:44:26,404 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:44:26,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:44:26,408 INFO L82 PathProgramCache]: Analyzing trace with hash 257035693, now seen corresponding path program 1 times [2018-12-02 01:44:26,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:44:26,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:44:26,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:44:26,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:44:26,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:44:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:26,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:44:26,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:44:26,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:44:26,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:44:26,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:44:26,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:44:26,510 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2018-12-02 01:44:26,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:44:26,528 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2018-12-02 01:44:26,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:44:26,528 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-02 01:44:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:44:26,534 INFO L225 Difference]: With dead ends: 144 [2018-12-02 01:44:26,534 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 01:44:26,536 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 [2018-12-02 01:44:26,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 01:44:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-02 01:44:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 01:44:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2018-12-02 01:44:26,561 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2018-12-02 01:44:26,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:44:26,561 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2018-12-02 01:44:26,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:44:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-02 01:44:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:44:26,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:44:26,562 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] [2018-12-02 01:44:26,562 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:44:26,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:44:26,562 INFO L82 PathProgramCache]: Analyzing trace with hash -225488588, now seen corresponding path program 1 times [2018-12-02 01:44:26,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:44:26,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:44:26,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:44:26,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:44:26,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:44:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:44:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 01:44:26,626 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 01:44:26,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:44:26 BoogieIcfgContainer [2018-12-02 01:44:26,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:44:26,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:44:26,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:44:26,650 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:44:26,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:26" (3/4) ... [2018-12-02 01:44:26,654 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 01:44:26,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:44:26,654 INFO L168 Benchmark]: Toolchain (without parser) took 825.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 957.8 MB in the beginning and 1.0 GB in the end (delta: -85.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-12-02 01:44:26,656 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. [2018-12-02 01:44:26,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:44:26,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.10 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. [2018-12-02 01:44:26,657 INFO L168 Benchmark]: Boogie Preprocessor took 26.92 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. [2018-12-02 01:44:26,657 INFO L168 Benchmark]: RCFGBuilder took 265.60 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: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-12-02 01:44:26,658 INFO L168 Benchmark]: TraceAbstraction took 304.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:44:26,658 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:44:26,661 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 204.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.92 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. * RCFGBuilder took 265.60 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: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 304.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: 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 someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450967, \old(one_asin)=6442450953, \old(one_sqrt)=6442450950, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450962, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450961, \old(pS1_asin)=6442450956, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450960, \old(pS4_asin)=6442450965, \old(pS5_asin)=6442450958, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450966, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450963, \old(tiny_sqrt)=6442450964, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L183] float x = 0.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450957, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L184] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450948, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L187] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] [L187] COND TRUE !isnan_float(res) [L188] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450957] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 93 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=76occurred 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 0.1.23-635dfa2 [2018-12-02 01:44:28,004 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:44:28,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:44:28,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:44:28,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:44:28,014 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:44:28,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:44:28,016 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:44:28,017 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:44:28,018 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:44:28,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:44:28,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:44:28,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:44:28,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:44:28,021 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:44:28,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:44:28,022 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:44:28,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:44:28,024 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:44:28,025 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:44:28,026 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:44:28,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:44:28,027 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:44:28,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:44:28,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:44:28,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:44:28,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:44:28,029 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:44:28,029 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:44:28,030 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:44:28,030 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:44:28,030 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:44:28,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:44:28,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:44:28,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:44:28,031 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:44:28,031 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 01:44:28,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:44:28,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:44:28,039 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:44:28,039 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:44:28,039 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:44:28,039 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:44:28,039 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:44:28,040 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:44:28,040 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:44:28,040 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:44:28,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:44:28,040 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:44:28,040 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:44:28,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:44:28,040 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:44:28,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:44:28,041 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:44:28,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:44:28,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:44:28,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:44:28,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:44:28,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:44:28,042 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 01:44:28,042 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:44:28,042 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 01:44:28,042 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 01:44:28,042 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_a675a7fc-2866-4f45-b75a-58645e44d250/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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-12-02 01:44:28,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:44:28,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:44:28,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:44:28,074 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:44:28,074 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:44:28,075 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-02 01:44:28,119 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data/ae51ab0ad/7bc11b5495104ddca28230323e5de82a/FLAG6efe30cd2 [2018-12-02 01:44:28,428 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:44:28,429 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-12-02 01:44:28,433 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data/ae51ab0ad/7bc11b5495104ddca28230323e5de82a/FLAG6efe30cd2 [2018-12-02 01:44:28,441 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/data/ae51ab0ad/7bc11b5495104ddca28230323e5de82a [2018-12-02 01:44:28,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:44:28,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:44:28,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:44:28,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:44:28,446 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:44:28,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28, skipping insertion in model container [2018-12-02 01:44:28,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:44:28,465 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:44:28,580 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:44:28,584 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:44:28,615 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:44:28,630 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:44:28,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28 WrapperNode [2018-12-02 01:44:28,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:44:28,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:44:28,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:44:28,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:44:28,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:44:28,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:44:28,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:44:28,650 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:44:28,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... [2018-12-02 01:44:28,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:44:28,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:44:28,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:44:28,718 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:44:28,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/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 [2018-12-02 01:44:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:44:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:44:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 01:44:28,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 01:44:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 01:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 01:44:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 01:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:44:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 01:44:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 01:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 01:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:44:28,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:44:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 01:44:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 01:44:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 01:44:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 01:44:28,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 01:44:28,880 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 01:44:37,872 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 01:44:37,911 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 01:44:38,394 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 01:44:38,399 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:44:38,399 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 01:44:38,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:38 BoogieIcfgContainer [2018-12-02 01:44:38,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:44:38,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:44:38,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:44:38,402 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:44:38,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:44:28" (1/3) ... [2018-12-02 01:44:38,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26eaa899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:38, skipping insertion in model container [2018-12-02 01:44:38,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:28" (2/3) ... [2018-12-02 01:44:38,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26eaa899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:38, skipping insertion in model container [2018-12-02 01:44:38,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:38" (3/3) ... [2018-12-02 01:44:38,404 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-12-02 01:44:38,409 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:44:38,414 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:44:38,423 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:44:38,440 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 01:44:38,441 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:44:38,441 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:44:38,441 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:44:38,441 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:44:38,441 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:44:38,441 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:44:38,441 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:44:38,441 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:44:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-12-02 01:44:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:44:38,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:44:38,456 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] [2018-12-02 01:44:38,457 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:44:38,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:44:38,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1204794971, now seen corresponding path program 1 times [2018-12-02 01:44:38,463 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:44:38,463 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/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 [2018-12-02 01:44:38,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:44:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:38,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:44:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:38,664 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:44:38,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:44:38,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:44:38,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:44:38,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:44:38,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:44:38,686 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-12-02 01:44:38,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:44:38,707 INFO L93 Difference]: Finished difference Result 142 states and 212 transitions. [2018-12-02 01:44:38,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:44:38,708 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-02 01:44:38,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:44:38,714 INFO L225 Difference]: With dead ends: 142 [2018-12-02 01:44:38,715 INFO L226 Difference]: Without dead ends: 71 [2018-12-02 01:44:38,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:44:38,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-02 01:44:38,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-02 01:44:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 01:44:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2018-12-02 01:44:38,747 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 20 [2018-12-02 01:44:38,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:44:38,747 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2018-12-02 01:44:38,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:44:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-02 01:44:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:44:38,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:44:38,748 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] [2018-12-02 01:44:38,749 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:44:38,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:44:38,749 INFO L82 PathProgramCache]: Analyzing trace with hash -624565231, now seen corresponding path program 1 times [2018-12-02 01:44:38,749 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:44:38,750 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/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 [2018-12-02 01:44:38,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:44:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:38,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:44:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:39,014 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:44:39,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:44:39,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:44:39,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:44:39,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:44:39,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:44:39,026 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand 7 states. [2018-12-02 01:44:45,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:44:45,294 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2018-12-02 01:44:45,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:44:45,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-02 01:44:45,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:44:45,296 INFO L225 Difference]: With dead ends: 84 [2018-12-02 01:44:45,296 INFO L226 Difference]: Without dead ends: 74 [2018-12-02 01:44:45,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:44:45,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-02 01:44:45,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2018-12-02 01:44:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 01:44:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 87 transitions. [2018-12-02 01:44:45,303 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 87 transitions. Word has length 21 [2018-12-02 01:44:45,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:44:45,303 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 87 transitions. [2018-12-02 01:44:45,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:44:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2018-12-02 01:44:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 01:44:45,304 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:44:45,304 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] [2018-12-02 01:44:45,304 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:44:45,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:44:45,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2002478333, now seen corresponding path program 1 times [2018-12-02 01:44:45,304 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:44:45,305 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/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 [2018-12-02 01:44:45,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:44:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:45,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:44:47,701 WARN L180 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 01:44:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:49,244 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:44:49,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:44:49,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 01:44:49,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 01:44:49,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 01:44:49,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:44:49,256 INFO L87 Difference]: Start difference. First operand 71 states and 87 transitions. Second operand 9 states. [2018-12-02 01:44:52,540 WARN L180 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 01:44:58,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:44:58,903 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2018-12-02 01:44:58,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 01:44:58,904 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-02 01:44:58,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:44:58,905 INFO L225 Difference]: With dead ends: 80 [2018-12-02 01:44:58,905 INFO L226 Difference]: Without dead ends: 73 [2018-12-02 01:44:58,905 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:44:58,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-02 01:44:58,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-12-02 01:44:58,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-02 01:44:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2018-12-02 01:44:58,914 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 22 [2018-12-02 01:44:58,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:44:58,914 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2018-12-02 01:44:58,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 01:44:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2018-12-02 01:44:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 01:44:58,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:44:58,915 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] [2018-12-02 01:44:58,915 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:44:58,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:44:58,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1628950099, now seen corresponding path program 1 times [2018-12-02 01:44:58,916 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 01:44:58,916 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/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 [2018-12-02 01:44:58,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:44:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:44:59,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:44:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:44:59,939 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 01:44:59,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:44:59,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:44:59,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:44:59,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:44:59,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:44:59,957 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand 7 states. [2018-12-02 01:45:04,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:45:04,724 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2018-12-02 01:45:04,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:45:04,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-02 01:45:04,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:45:04,726 INFO L225 Difference]: With dead ends: 73 [2018-12-02 01:45:04,726 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:45:04,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:45:04,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:45:04,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:45:04,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:45:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:45:04,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-02 01:45:04,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:45:04,727 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:45:04,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:45:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:45:04,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:45:04,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:45:04,854 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-02 01:45:04,854 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-02 01:45:04,854 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-02 01:45:04,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:45:04,854 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:45:04,855 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:45:04,855 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-12-02 01:45:04,855 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-02 01:45:04,855 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-12-02 01:45:04,855 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2018-12-02 01:45:04,855 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2018-12-02 01:45:04,855 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-12-02 01:45:04,855 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-02 01:45:04,855 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-02 01:45:04,856 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:45:04,856 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 01:45:04,856 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:45:04,856 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:45:04,856 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-12-02 01:45:04,856 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 176 193) the Hoare annotation is: true [2018-12-02 01:45:04,856 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 176 193) no Hoare annotation was computed. [2018-12-02 01:45:04,856 INFO L448 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-12-02 01:45:04,856 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= main_~x~0 .cse1))) [2018-12-02 01:45:04,857 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 187 190) no Hoare annotation was computed. [2018-12-02 01:45:04,857 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 176 193) no Hoare annotation was computed. [2018-12-02 01:45:04,857 INFO L444 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-12-02 01:45:04,857 INFO L448 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-12-02 01:45:04,857 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-12-02 01:45:04,857 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2018-12-02 01:45:04,857 INFO L448 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2018-12-02 01:45:04,857 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-12-02 01:45:04,858 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 01:45:04,858 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 01:45:04,858 INFO L448 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-12-02 01:45:04,858 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 01:45:04,858 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-02 01:45:04,858 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-12-02 01:45:04,858 INFO L448 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-12-02 01:45:04,858 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-12-02 01:45:04,858 INFO L444 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-12-02 01:45:04,859 INFO L448 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2018-12-02 01:45:04,859 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-02 01:45:04,859 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-12-02 01:45:04,859 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-12-02 01:45:04,859 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-12-02 01:45:04,859 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-12-02 01:45:04,859 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-12-02 01:45:04,859 INFO L444 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 01:45:04,859 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L451 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: true [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-02 01:45:04,860 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-12-02 01:45:04,861 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-12-02 01:45:04,861 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-12-02 01:45:04,861 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-02 01:45:04,861 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-12-02 01:45:04,861 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-12-02 01:45:04,861 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-12-02 01:45:04,861 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2018-12-02 01:45:04,861 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-12-02 01:45:04,861 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-02 01:45:04,862 INFO L451 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2018-12-02 01:45:04,862 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-12-02 01:45:04,862 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-12-02 01:45:04,862 INFO L451 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: true [2018-12-02 01:45:04,862 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-12-02 01:45:04,862 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-12-02 01:45:04,867 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,868 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,869 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,872 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,872 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,873 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,873 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,873 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,873 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,873 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,873 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:45:04 BoogieIcfgContainer [2018-12-02 01:45:04,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:45:04,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:45:04,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:45:04,876 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:45:04,876 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:38" (3/4) ... [2018-12-02 01:45:04,878 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:45:04,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-02 01:45:04,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:45:04,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-02 01:45:04,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:45:04,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-02 01:45:04,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-02 01:45:04,886 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-02 01:45:04,887 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 01:45:04,887 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 01:45:04,887 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:45:04,903 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 01:45:04,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x))) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix) [2018-12-02 01:45:04,922 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a675a7fc-2866-4f45-b75a-58645e44d250/bin-2019/utaipan/witness.graphml [2018-12-02 01:45:04,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:45:04,923 INFO L168 Benchmark]: Toolchain (without parser) took 36480.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.4 MB in the beginning and 901.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 174.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:45:04,924 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:45:04,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.03 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 01:45:04,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:45:04,924 INFO L168 Benchmark]: Boogie Preprocessor took 67.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:45:04,925 INFO L168 Benchmark]: RCFGBuilder took 9682.23 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: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2018-12-02 01:45:04,925 INFO L168 Benchmark]: TraceAbstraction took 26475.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.1 MB in the end (delta: 165.3 MB). Peak memory consumption was 165.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:45:04,925 INFO L168 Benchmark]: Witness Printer took 47.30 ms. Allocated memory is still 1.2 GB. Free memory was 908.1 MB in the beginning and 901.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:45:04,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.03 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.97 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9682.23 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: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26475.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.1 MB in the end (delta: 165.3 MB). Peak memory consumption was 165.3 MB. Max. memory is 11.5 GB. * Witness Printer took 47.30 ms. Allocated memory is still 1.2 GB. Free memory was 908.1 MB in the beginning and 901.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-12-02 01:45:04,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 01:45:04,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x))) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 75 locations, 1 error locations. SAFE Result, 26.4s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 20.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 309 SDtfs, 168 SDslu, 1112 SDs, 0 SdLazy, 157 SolverSat, 17 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 29 PreInvPairs, 39 NumberOfFragments, 191 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 9 QuantifiedInterpolants, 8361 SizeOfPredicates, 12 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...