./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/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 1aaf670562012dae9985b4d351583e88df305330 ............................................................................................................................................................................................................................................................................................................................................ 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_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/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 1aaf670562012dae9985b4d351583e88df305330 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:53:08,011 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:53:08,014 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:53:08,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:53:08,034 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:53:08,036 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:53:08,037 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:53:08,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:53:08,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:53:08,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:53:08,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:53:08,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:53:08,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:53:08,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:53:08,048 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:53:08,049 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:53:08,058 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:53:08,060 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:53:08,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:53:08,075 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:53:08,076 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:53:08,077 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:53:08,078 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:53:08,078 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:53:08,079 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:53:08,079 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:53:08,080 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:53:08,080 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:53:08,081 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:53:08,082 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:53:08,082 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:53:08,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:53:08,083 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:53:08,083 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:53:08,083 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:53:08,084 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:53:08,084 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:53:08,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:53:08,116 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:53:08,117 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:53:08,118 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:53:08,118 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:53:08,118 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:53:08,119 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:53:08,119 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:53:08,120 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:53:08,120 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:53:08,120 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:53:08,120 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:53:08,120 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:53:08,121 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:53:08,121 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:53:08,121 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:53:08,121 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:53:08,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:53:08,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:53:08,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:53:08,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:53:08,122 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:53:08,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:53:08,122 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:53:08,122 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:53:08,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:53:08,123 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:53:08,123 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:53:08,123 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:53:08,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:53:08,123 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:53:08,123 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:53:08,123 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:53:08,123 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:53:08,124 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:53:08,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:53:08,124 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:53:08,124 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_d1a54828-5450-41ec-baad-238a64c48c32/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 -> 1aaf670562012dae9985b4d351583e88df305330 [2018-11-18 17:53:08,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:53:08,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:53:08,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:53:08,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:53:08,203 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:53:08,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-11-18 17:53:08,257 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data/93deb4686/c39e6400c92145bbb42cd49e12066dd4/FLAG6cb194e43 [2018-11-18 17:53:08,629 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:53:08,630 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-11-18 17:53:08,636 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data/93deb4686/c39e6400c92145bbb42cd49e12066dd4/FLAG6cb194e43 [2018-11-18 17:53:09,018 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data/93deb4686/c39e6400c92145bbb42cd49e12066dd4 [2018-11-18 17:53:09,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:53:09,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:53:09,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:53:09,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:53:09,028 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:53:09,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3b73d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09, skipping insertion in model container [2018-11-18 17:53:09,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:53:09,084 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:53:09,311 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:53:09,315 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:53:09,351 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:53:09,370 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:53:09,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09 WrapperNode [2018-11-18 17:53:09,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:53:09,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:53:09,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:53:09,371 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:53:09,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:53:09,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:53:09,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:53:09,400 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:53:09,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... [2018-11-18 17:53:09,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:53:09,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:53:09,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:53:09,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:53:09,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:53:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 17:53:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 17:53:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-11-18 17:53:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-11-18 17:53:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 17:53:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 17:53:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:53:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:53:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 17:53:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:53:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:53:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:53:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 17:53:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:53:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:53:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:53:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:53:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:53:10,199 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:53:10,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:53:10 BoogieIcfgContainer [2018-11-18 17:53:10,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:53:10,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:53:10,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:53:10,203 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:53:10,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:53:09" (1/3) ... [2018-11-18 17:53:10,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68caedff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:53:10, skipping insertion in model container [2018-11-18 17:53:10,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:09" (2/3) ... [2018-11-18 17:53:10,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68caedff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:53:10, skipping insertion in model container [2018-11-18 17:53:10,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:53:10" (3/3) ... [2018-11-18 17:53:10,205 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971_true-unreach-call.c [2018-11-18 17:53:10,212 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:53:10,219 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:53:10,232 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:53:10,256 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:53:10,257 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:53:10,257 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:53:10,257 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:53:10,257 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:53:10,257 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:53:10,257 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:53:10,257 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:53:10,271 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-18 17:53:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:53:10,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:53:10,277 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:53:10,279 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:53:10,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:53:10,285 INFO L82 PathProgramCache]: Analyzing trace with hash 289105245, now seen corresponding path program 1 times [2018-11-18 17:53:10,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:53:10,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:53:10,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:53:10,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:53:10,330 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:53:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:10,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:10,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:53:10,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:53:10,432 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:53:10,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:53:10,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:53:10,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:53:10,451 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-11-18 17:53:10,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:53:10,476 INFO L93 Difference]: Finished difference Result 108 states and 163 transitions. [2018-11-18 17:53:10,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:53:10,478 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 17:53:10,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:53:10,486 INFO L225 Difference]: With dead ends: 108 [2018-11-18 17:53:10,486 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 17:53:10,488 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:53:10,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 17:53:10,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-18 17:53:10,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 17:53:10,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2018-11-18 17:53:10,532 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 22 [2018-11-18 17:53:10,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:53:10,532 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2018-11-18 17:53:10,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:53:10,532 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-11-18 17:53:10,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 17:53:10,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:53:10,533 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:53:10,534 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:53:10,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:53:10,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1475018177, now seen corresponding path program 1 times [2018-11-18 17:53:10,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:53:10,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:53:10,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:53:10,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:53:10,536 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:53:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:53:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:53:10,656 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:53:10,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:53:10 BoogieIcfgContainer [2018-11-18 17:53:10,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:53:10,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:53:10,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:53:10,692 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:53:10,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:53:10" (3/4) ... [2018-11-18 17:53:10,695 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:53:10,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:53:10,696 INFO L168 Benchmark]: Toolchain (without parser) took 1673.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 959.6 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:53:10,697 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:53:10,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.28 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 943.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:53:10,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.17 ms. Allocated memory is still 1.0 GB. Free memory is still 943.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:53:10,698 INFO L168 Benchmark]: Boogie Preprocessor took 112.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -225.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:53:10,701 INFO L168 Benchmark]: RCFGBuilder took 687.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:53:10,702 INFO L168 Benchmark]: TraceAbstraction took 490.62 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:53:10,702 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:53:10,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.28 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 943.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.17 ms. Allocated memory is still 1.0 GB. Free memory is still 943.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -225.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 687.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 490.62 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseOr at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=8589934593, \old(Lg1_log)=8589934612, \old(Lg2_log)=8589934614, \old(Lg3_log)=8589934592, \old(Lg4_log)=8589934596, \old(Lg5_log)=8589934598, \old(Lg6_log)=8589934608, \old(Lg7_log)=8589934605, \old(ln2_hi_log)=8589934595, \old(ln2_lo_log)=8589934600, \old(log10_2hi_log10)=8589934602, \old(log10_2lo_log10)=8589934607, \old(two54_log)=8589934609, \old(two54_log10)=8589934603, \old(zero)=8589934613, \old(zero_log10)=8589934599, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L170] double x = 0.0 / 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L171] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=8589934606, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=8589934606, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934606, zero=0, zero_log10=0] [L124] FCALL ieee_double_shape_type ew_u; [L125] FCALL ew_u.value = (x) [L126] EXPR, FCALL ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR, FCALL ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L128] COND FALSE !(0) VAL [\old(x)=8589934606, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=19, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934606, zero=0, zero_log10=0] [L130] k = 0 VAL [\old(x)=8589934606, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=19, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934606, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [\old(x)=8589934606, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=19, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934606, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] RET return -two54_log10 / zero_log10; VAL [\old(x)=8589934606, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=19, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934606, zero=0, zero_log10=0] [L171] EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=8589934597, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934606, zero=0, zero_log10=0] [L171] double res = __ieee754_log10(x); [L174] CALL, EXPR isnan_double(res) VAL [\old(x)=8589934597, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L161] RET return x != x; VAL [\old(x)=8589934597, \result=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934597, zero=0, zero_log10=0] [L174] EXPR isnan_double(res) VAL [isnan_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8589934597, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934606, zero=0, zero_log10=0] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8589934597, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934606, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 58 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 72 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=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 17:53:12,730 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:53:12,731 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:53:12,739 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:53:12,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:53:12,739 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:53:12,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:53:12,742 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:53:12,744 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:53:12,744 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:53:12,745 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:53:12,745 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:53:12,746 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:53:12,747 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:53:12,748 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:53:12,749 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:53:12,755 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:53:12,756 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:53:12,757 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:53:12,759 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:53:12,760 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:53:12,761 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:53:12,762 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:53:12,763 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:53:12,763 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:53:12,764 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:53:12,764 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:53:12,765 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:53:12,765 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:53:12,766 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:53:12,766 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:53:12,767 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:53:12,767 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:53:12,767 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:53:12,768 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:53:12,770 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:53:12,770 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:53:12,782 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:53:12,782 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:53:12,782 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:53:12,783 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:53:12,783 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:53:12,783 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:53:12,783 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:53:12,783 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:53:12,783 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:53:12,784 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:53:12,784 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:53:12,784 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:53:12,784 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:53:12,785 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:53:12,785 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:53:12,785 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:53:12,785 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:53:12,785 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:53:12,785 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:53:12,785 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:53:12,785 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:53:12,786 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:53:12,786 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:53:12,786 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:53:12,786 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:53:12,786 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:53:12,786 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:53:12,786 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:53:12,787 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:53:12,787 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:53:12,787 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:53:12,787 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:53:12,787 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:53:12,787 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:53:12,787 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:53:12,788 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_d1a54828-5450-41ec-baad-238a64c48c32/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 -> 1aaf670562012dae9985b4d351583e88df305330 [2018-11-18 17:53:12,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:53:12,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:53:12,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:53:12,834 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:53:12,834 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:53:12,835 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-11-18 17:53:12,888 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data/3dc9af912/02c0f0c8137e4b609e901298337b96f2/FLAGfadd7f67f [2018-11-18 17:53:13,240 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:53:13,241 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/sv-benchmarks/c/float-newlib/double_req_bl_0971_true-unreach-call.c [2018-11-18 17:53:13,247 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data/3dc9af912/02c0f0c8137e4b609e901298337b96f2/FLAGfadd7f67f [2018-11-18 17:53:13,653 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/data/3dc9af912/02c0f0c8137e4b609e901298337b96f2 [2018-11-18 17:53:13,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:53:13,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:53:13,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:53:13,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:53:13,663 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:53:13,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:13,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3151ab86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13, skipping insertion in model container [2018-11-18 17:53:13,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:13,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:53:13,697 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:53:13,877 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:53:13,881 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:53:13,924 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:53:13,949 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:53:13,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13 WrapperNode [2018-11-18 17:53:13,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:53:13,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:53:13,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:53:13,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:53:13,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:13,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:13,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:53:13,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:53:13,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:53:13,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:53:14,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:14,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:14,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:14,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:14,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:14,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:14,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... [2018-11-18 17:53:14,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:53:14,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:53:14,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:53:14,075 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:53:14,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:53:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 17:53:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 17:53:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 17:53:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-11-18 17:53:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-11-18 17:53:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 17:53:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 17:53:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 17:53:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:53:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:53:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:53:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:53:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:53:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 17:53:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:53:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:53:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 17:53:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:53:16,505 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:53:21,354 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:53:21,644 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:53:21,698 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:53:42,943 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:53:43,006 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:53:43,183 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:53:43,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:53:43 BoogieIcfgContainer [2018-11-18 17:53:43,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:53:43,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:53:43,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:53:43,187 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:53:43,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:53:13" (1/3) ... [2018-11-18 17:53:43,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1958a2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:53:43, skipping insertion in model container [2018-11-18 17:53:43,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:53:13" (2/3) ... [2018-11-18 17:53:43,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1958a2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:53:43, skipping insertion in model container [2018-11-18 17:53:43,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:53:43" (3/3) ... [2018-11-18 17:53:43,190 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0971_true-unreach-call.c [2018-11-18 17:53:43,200 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:53:43,210 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:53:43,224 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:53:43,251 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:53:43,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:53:43,252 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:53:43,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:53:43,252 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:53:43,252 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:53:43,252 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:53:43,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:53:43,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:53:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-11-18 17:53:43,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:53:43,269 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:53:43,270 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:53:43,272 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:53:43,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:53:43,276 INFO L82 PathProgramCache]: Analyzing trace with hash -927760506, now seen corresponding path program 1 times [2018-11-18 17:53:43,279 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:53:43,280 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 17:53:43,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:53:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:44,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:53:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:44,194 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:53:44,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:53:44,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:53:44,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:53:44,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:53:44,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:53:44,227 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-11-18 17:53:44,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:53:44,247 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-11-18 17:53:44,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:53:44,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 17:53:44,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:53:44,257 INFO L225 Difference]: With dead ends: 106 [2018-11-18 17:53:44,257 INFO L226 Difference]: Without dead ends: 53 [2018-11-18 17:53:44,260 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:53:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-18 17:53:44,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-18 17:53:44,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 17:53:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2018-11-18 17:53:44,295 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 21 [2018-11-18 17:53:44,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:53:44,295 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2018-11-18 17:53:44,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:53:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-18 17:53:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:53:44,296 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:53:44,297 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:53:44,297 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:53:44,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:53:44,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1862401560, now seen corresponding path program 1 times [2018-11-18 17:53:44,299 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:53:44,299 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 17:53:44,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:53:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:45,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:53:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:45,407 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:53:45,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:53:45,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:53:45,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:53:45,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:53:45,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:53:45,429 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand 6 states. [2018-11-18 17:53:52,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:53:52,742 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2018-11-18 17:53:52,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:53:52,743 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 17:53:52,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:53:52,745 INFO L225 Difference]: With dead ends: 67 [2018-11-18 17:53:52,745 INFO L226 Difference]: Without dead ends: 57 [2018-11-18 17:53:52,746 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:53:52,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-18 17:53:52,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-11-18 17:53:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 17:53:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2018-11-18 17:53:52,753 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 22 [2018-11-18 17:53:52,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:53:52,753 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2018-11-18 17:53:52,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:53:52,754 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2018-11-18 17:53:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:53:52,754 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:53:52,754 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:53:52,755 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:53:52,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:53:52,755 INFO L82 PathProgramCache]: Analyzing trace with hash -663966681, now seen corresponding path program 1 times [2018-11-18 17:53:52,755 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:53:52,755 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 17:53:52,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:53:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:52,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:53:53,736 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-18 17:53:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:54,468 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:53:54,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:53:54,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:53:54,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:53:54,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:53:54,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:53:54,478 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 9 states. [2018-11-18 17:53:55,733 WARN L180 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 17:54:04,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:04,719 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2018-11-18 17:54:04,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:54:04,841 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-18 17:54:04,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:04,842 INFO L225 Difference]: With dead ends: 64 [2018-11-18 17:54:04,842 INFO L226 Difference]: Without dead ends: 57 [2018-11-18 17:54:04,842 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:54:04,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-18 17:54:04,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2018-11-18 17:54:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 17:54:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2018-11-18 17:54:04,849 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 22 [2018-11-18 17:54:04,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:04,850 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2018-11-18 17:54:04,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:54:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2018-11-18 17:54:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 17:54:04,851 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:04,851 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:04,851 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:04,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:04,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1278099615, now seen corresponding path program 1 times [2018-11-18 17:54:04,853 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:54:04,853 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 17:54:04,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:05,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:08,328 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-11-18 17:54:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:08,440 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:54:08,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:54:08,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 17:54:08,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:54:08,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:54:08,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-11-18 17:54:08,459 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand 10 states. [2018-11-18 17:54:13,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:13,998 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2018-11-18 17:54:14,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:54:14,000 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-11-18 17:54:14,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:14,001 INFO L225 Difference]: With dead ends: 62 [2018-11-18 17:54:14,001 INFO L226 Difference]: Without dead ends: 55 [2018-11-18 17:54:14,001 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=40, Invalid=119, Unknown=1, NotChecked=22, Total=182 [2018-11-18 17:54:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-18 17:54:14,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2018-11-18 17:54:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 17:54:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2018-11-18 17:54:14,006 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 23 [2018-11-18 17:54:14,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:14,007 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2018-11-18 17:54:14,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:54:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2018-11-18 17:54:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:54:14,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:14,007 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:14,008 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:14,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:14,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1650924056, now seen corresponding path program 1 times [2018-11-18 17:54:14,008 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:54:14,008 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 17:54:14,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:14,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:14,530 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:54:14,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:54:14,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:54:14,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:54:14,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:54:14,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:54:14,543 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand 7 states. [2018-11-18 17:54:17,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:17,800 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-11-18 17:54:17,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:54:17,802 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-18 17:54:17,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:17,803 INFO L225 Difference]: With dead ends: 68 [2018-11-18 17:54:17,803 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 17:54:17,803 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:54:17,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 17:54:17,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-18 17:54:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-18 17:54:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-11-18 17:54:17,809 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 26 [2018-11-18 17:54:17,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:17,809 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-11-18 17:54:17,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:54:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-11-18 17:54:17,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 17:54:17,810 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:17,810 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:17,810 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:17,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash 38179464, now seen corresponding path program 1 times [2018-11-18 17:54:17,811 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:54:17,811 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 17:54:17,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:19,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:19,676 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:54:19,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:54:19,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:54:19,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:54:19,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:54:19,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:54:19,704 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 7 states. [2018-11-18 17:54:20,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:20,250 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2018-11-18 17:54:20,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:54:20,251 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-11-18 17:54:20,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:20,252 INFO L225 Difference]: With dead ends: 49 [2018-11-18 17:54:20,252 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:54:20,252 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:54:20,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:54:20,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:54:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:54:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:54:20,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-11-18 17:54:20,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:20,255 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:54:20,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:54:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:54:20,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:54:20,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:54:20,711 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 161) the Hoare annotation is: true [2018-11-18 17:54:20,711 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 161) no Hoare annotation was computed. [2018-11-18 17:54:20,711 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 161) no Hoare annotation was computed. [2018-11-18 17:54:20,711 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:54:20,711 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:54:20,711 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:54:20,711 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2018-11-18 17:54:20,711 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 118 158) no Hoare annotation was computed. [2018-11-18 17:54:20,711 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2018-11-18 17:54:20,711 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 17:54:20,712 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-11-18 17:54:20,712 INFO L421 ceAbstractionStarter]: At program point L123-3(lines 123 128) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) [2018-11-18 17:54:20,712 INFO L425 ceAbstractionStarter]: For program point L123-4(lines 123 128) no Hoare annotation was computed. [2018-11-18 17:54:20,712 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-11-18 17:54:20,712 INFO L425 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 118 158) no Hoare annotation was computed. [2018-11-18 17:54:20,712 INFO L428 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 118 158) the Hoare annotation is: true [2018-11-18 17:54:20,712 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2018-11-18 17:54:20,712 INFO L421 ceAbstractionStarter]: At program point L150-3(lines 150 155) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_8|))) (and (not (bvslt .cse0 (_ bv0 32))) (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)))))) (and (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) |v_q#valueAsBitvector_9|))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_log10_#in~x|) (not (bvslt .cse1 (_ bv1048576 32))) (not (bvsge .cse1 (_ bv2146435072 32)))))) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-18 17:54:20,713 INFO L421 ceAbstractionStarter]: At program point L150-4(lines 150 155) the Hoare annotation is: (or (exists ((|v_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_9|))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_9|) ((_ extract 62 52) |v_q#valueAsBitvector_9|) ((_ extract 51 0) |v_q#valueAsBitvector_9|)) |__ieee754_log10_#in~x|) (not (bvslt .cse0 (_ bv1048576 32))) (not (bvsge .cse0 (_ bv2146435072 32)))))) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) |v_q#valueAsBitvector_8|))) (and (not (bvslt .cse1 (_ bv0 32))) (bvslt .cse1 (_ bv1048576 32)) (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-18 17:54:20,713 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2018-11-18 17:54:20,713 INFO L421 ceAbstractionStarter]: At program point L138-3(lines 138 142) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (and (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_8|))) (and (not (bvslt .cse0 (_ bv0 32))) (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_8|) ((_ extract 62 52) |v_q#valueAsBitvector_8|) ((_ extract 51 0) |v_q#valueAsBitvector_8|)))))) (exists ((|v_q#valueAsBitvector_7| (_ BitVec 64))) (and (= __ieee754_log10_~hx~1 ((_ extract 63 32) |v_q#valueAsBitvector_7|)) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|)) |__ieee754_log10_#in~x|))))) [2018-11-18 17:54:20,713 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-11-18 17:54:20,713 INFO L428 ceAbstractionStarter]: At program point L35-3(lines 35 40) the Hoare annotation is: true [2018-11-18 17:54:20,713 INFO L425 ceAbstractionStarter]: For program point L35-4(lines 35 40) no Hoare annotation was computed. [2018-11-18 17:54:20,713 INFO L425 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 30 109) no Hoare annotation was computed. [2018-11-18 17:54:20,714 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-11-18 17:54:20,714 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2018-11-18 17:54:20,714 INFO L425 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-11-18 17:54:20,714 INFO L425 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2018-11-18 17:54:20,714 INFO L428 ceAbstractionStarter]: At program point L61-3(lines 61 66) the Hoare annotation is: true [2018-11-18 17:54:20,714 INFO L425 ceAbstractionStarter]: For program point L61-4(lines 61 66) no Hoare annotation was computed. [2018-11-18 17:54:20,714 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2018-11-18 17:54:20,714 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2018-11-18 17:54:20,714 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 54) the Hoare annotation is: true [2018-11-18 17:54:20,714 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2018-11-18 17:54:20,715 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-11-18 17:54:20,715 INFO L428 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 30 109) the Hoare annotation is: true [2018-11-18 17:54:20,715 INFO L425 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 30 109) no Hoare annotation was computed. [2018-11-18 17:54:20,715 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2018-11-18 17:54:20,715 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-11-18 17:54:20,715 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2018-11-18 17:54:20,715 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2018-11-18 17:54:20,715 INFO L425 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2018-11-18 17:54:20,715 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2018-11-18 17:54:20,716 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:54:20,716 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero_log10~0) [2018-11-18 17:54:20,716 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:54:20,716 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:54:20,716 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 17:54:20,716 INFO L421 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-11-18 17:54:20,716 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 163 180) the Hoare annotation is: true [2018-11-18 17:54:20,716 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 177) no Hoare annotation was computed. [2018-11-18 17:54:20,716 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 163 180) no Hoare annotation was computed. [2018-11-18 17:54:20,717 INFO L421 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) [2018-11-18 17:54:20,717 INFO L425 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-11-18 17:54:20,717 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 163 180) no Hoare annotation was computed. [2018-11-18 17:54:20,717 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-11-18 17:54:20,721 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,722 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,722 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,723 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,724 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,730 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,730 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,730 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,730 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:54:20 BoogieIcfgContainer [2018-11-18 17:54:20,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:54:20,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:54:20,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:54:20,736 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:54:20,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:53:43" (3/4) ... [2018-11-18 17:54:20,739 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:54:20,743 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 17:54:20,743 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:54:20,743 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-11-18 17:54:20,744 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-11-18 17:54:20,744 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:54:20,748 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-18 17:54:20,748 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-18 17:54:20,748 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:54:20,749 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:54:20,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) [2018-11-18 17:54:20,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || ((\exists v_q#valueAsBitvector_8 : bv64 :: (!~bvslt32(v_q#valueAsBitvector_8[63:32], 0bv32) && ~bvslt32(v_q#valueAsBitvector_8[63:32], 1048576bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) && (\exists v_q#valueAsBitvector_7 : bv64 :: hx == v_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == \old(x))) [2018-11-18 17:54:20,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_q#valueAsBitvector_8 : bv64 :: (!~bvslt32(v_q#valueAsBitvector_8[63:32], 0bv32) && ~bvslt32(v_q#valueAsBitvector_8[63:32], 1048576bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) || ((\exists v_q#valueAsBitvector_9 : bv64 :: (~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x) && !~bvslt32(v_q#valueAsBitvector_9[63:32], 1048576bv32)) && !~bvsge32(v_q#valueAsBitvector_9[63:32], 2146435072bv32)) && x == \old(x))) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-11-18 17:54:20,800 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d1a54828-5450-41ec-baad-238a64c48c32/bin-2019/utaipan/witness.graphml [2018-11-18 17:54:20,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:54:20,800 INFO L168 Benchmark]: Toolchain (without parser) took 67145.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.2 MB in the beginning and 819.4 MB in the end (delta: 133.8 MB). Peak memory consumption was 264.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:20,801 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:54:20,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.62 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:20,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.36 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:20,802 INFO L168 Benchmark]: Boogie Preprocessor took 101.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:20,802 INFO L168 Benchmark]: RCFGBuilder took 29108.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:20,802 INFO L168 Benchmark]: TraceAbstraction took 37550.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 826.4 MB in the end (delta: 252.5 MB). Peak memory consumption was 252.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:20,803 INFO L168 Benchmark]: Witness Printer took 64.33 ms. Allocated memory is still 1.2 GB. Free memory was 826.4 MB in the beginning and 819.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:20,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.62 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 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 23.36 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 29108.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37550.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 826.4 MB in the end (delta: 252.5 MB). Peak memory consumption was 252.5 MB. Max. memory is 11.5 GB. * Witness Printer took 64.33 ms. Allocated memory is still 1.2 GB. Free memory was 826.4 MB in the beginning and 819.4 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[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 138]: Loop Invariant [2018-11-18 17:54:20,812 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,812 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,813 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,813 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,813 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,817 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,818 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-11-18 17:54:20,819 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || ((\exists v_q#valueAsBitvector_8 : bv64 :: (!~bvslt32(v_q#valueAsBitvector_8[63:32], 0bv32) && ~bvslt32(v_q#valueAsBitvector_8[63:32], 1048576bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) && (\exists v_q#valueAsBitvector_7 : bv64 :: hx == v_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0]) == \old(x))) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant [2018-11-18 17:54:20,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-11-18 17:54:20,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] [2018-11-18 17:54:20,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: ((\exists v_q#valueAsBitvector_8 : bv64 :: (!~bvslt32(v_q#valueAsBitvector_8[63:32], 0bv32) && ~bvslt32(v_q#valueAsBitvector_8[63:32], 1048576bv32)) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_8[63:63], v_q#valueAsBitvector_8[62:52], v_q#valueAsBitvector_8[51:0])) || ((\exists v_q#valueAsBitvector_9 : bv64 :: (~fp~LONGDOUBLE(v_q#valueAsBitvector_9[63:63], v_q#valueAsBitvector_9[62:52], v_q#valueAsBitvector_9[51:0]) == \old(x) && !~bvslt32(v_q#valueAsBitvector_9[63:32], 1048576bv32)) && !~bvsge32(v_q#valueAsBitvector_9[63:32], 2146435072bv32)) && x == \old(x))) || !(~Pluszero~LONGDOUBLE() == zero_log10) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 57 locations, 1 error locations. SAFE Result, 37.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 27.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 357 SDtfs, 108 SDslu, 1420 SDs, 0 SdLazy, 243 SolverSat, 14 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 23.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 29 PreInvPairs, 43 NumberOfFragments, 192 HoareAnnotationTreeSize, 29 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 100 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 142 ConstructedInterpolants, 26 QuantifiedInterpolants, 21152 SizeOfPredicates, 18 NumberOfNonLiveVariables, 693 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...