./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_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_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/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 e9c6bf05d102b43fb2b728009d6b55f3314474ef ...................................................................................................................................................................................................................................................................................................................................................... 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_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/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 e9c6bf05d102b43fb2b728009d6b55f3314474ef ........................................................................................................................................................................................................................................................................................................................................................... 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 17:57:24,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:57:24,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:57:24,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:57:24,413 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:57:24,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:57:24,414 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:57:24,415 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:57:24,416 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:57:24,417 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:57:24,417 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:57:24,417 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:57:24,418 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:57:24,419 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:57:24,420 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:57:24,420 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:57:24,421 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:57:24,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:57:24,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:57:24,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:57:24,425 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:57:24,426 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:57:24,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:57:24,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:57:24,428 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:57:24,429 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:57:24,429 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:57:24,430 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:57:24,431 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:57:24,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:57:24,432 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:57:24,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:57:24,432 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:57:24,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:57:24,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:57:24,433 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:57:24,433 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:57:24,444 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:57:24,444 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:57:24,445 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:57:24,445 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:57:24,445 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:57:24,445 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:57:24,445 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:57:24,445 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:57:24,445 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:57:24,445 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:57:24,446 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:57:24,446 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:57:24,446 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:57:24,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:57:24,446 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:57:24,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:57:24,447 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:57:24,447 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:57:24,447 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:57:24,447 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:57:24,447 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:57:24,447 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:57:24,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:57:24,447 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:57:24,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:57:24,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:57:24,448 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:57:24,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:57:24,449 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:57:24,449 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_c843ee55-66c5-4543-a3bc-3bd264f38775/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 -> e9c6bf05d102b43fb2b728009d6b55f3314474ef [2018-11-18 17:57:24,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:57:24,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:57:24,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:57:24,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:57:24,482 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:57:24,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-11-18 17:57:24,519 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data/4b4ba21d4/94607306143c406b8efa5e78cf25dc4e/FLAG95482a500 [2018-11-18 17:57:24,849 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:57:24,850 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-11-18 17:57:24,855 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data/4b4ba21d4/94607306143c406b8efa5e78cf25dc4e/FLAG95482a500 [2018-11-18 17:57:24,865 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data/4b4ba21d4/94607306143c406b8efa5e78cf25dc4e [2018-11-18 17:57:24,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:57:24,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:57:24,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:24,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:57:24,871 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:57:24,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:24" (1/1) ... [2018-11-18 17:57:24,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e013f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:24, skipping insertion in model container [2018-11-18 17:57:24,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:24" (1/1) ... [2018-11-18 17:57:24,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:57:24,896 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:57:25,033 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:25,038 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:57:25,061 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:25,111 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:57:25,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25 WrapperNode [2018-11-18 17:57:25,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:25,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:25,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:57:25,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:57:25,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:25,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:57:25,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:57:25,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:57:25,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... [2018-11-18 17:57:25,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:57:25,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:57:25,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:57:25,159 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:57:25,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/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 17:57:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-11-18 17:57:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-11-18 17:57:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 17:57:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 17:57:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:57:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:57:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 17:57:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:57:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 17:57:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:57:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:57:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 17:57:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:57:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:57:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:57:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:57:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:57:25,472 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:57:25,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:25 BoogieIcfgContainer [2018-11-18 17:57:25,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:57:25,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:57:25,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:57:25,476 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:57:25,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:57:24" (1/3) ... [2018-11-18 17:57:25,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f094e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:25, skipping insertion in model container [2018-11-18 17:57:25,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:25" (2/3) ... [2018-11-18 17:57:25,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f094e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:25, skipping insertion in model container [2018-11-18 17:57:25,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:25" (3/3) ... [2018-11-18 17:57:25,479 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833_true-unreach-call.c [2018-11-18 17:57:25,484 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:57:25,489 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:57:25,498 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:57:25,516 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:57:25,516 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:57:25,516 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:57:25,516 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:57:25,516 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:57:25,516 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:57:25,516 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:57:25,516 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:57:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-11-18 17:57:25,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:57:25,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:57:25,531 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:57:25,533 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:57:25,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:57:25,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1760463630, now seen corresponding path program 1 times [2018-11-18 17:57:25,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:57:25,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:25,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:57:25,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:25,566 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:57:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:25,646 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 17:57:25,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:57:25,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:57:25,648 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:57:25,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:57:25,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:57:25,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:57:25,660 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-11-18 17:57:25,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:57:25,677 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-11-18 17:57:25,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:57:25,678 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 17:57:25,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:57:25,685 INFO L225 Difference]: With dead ends: 106 [2018-11-18 17:57:25,685 INFO L226 Difference]: Without dead ends: 53 [2018-11-18 17:57:25,688 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 17:57:25,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-18 17:57:25,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-18 17:57:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 17:57:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-11-18 17:57:25,715 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 19 [2018-11-18 17:57:25,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:57:25,715 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-11-18 17:57:25,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:57:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-11-18 17:57:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:57:25,716 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:57:25,716 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] [2018-11-18 17:57:25,717 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:57:25,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:57:25,717 INFO L82 PathProgramCache]: Analyzing trace with hash -170581772, now seen corresponding path program 1 times [2018-11-18 17:57:25,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:57:25,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:25,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:57:25,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:25,719 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:57:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:57:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:57:25,797 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:57:25,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:57:25 BoogieIcfgContainer [2018-11-18 17:57:25,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:57:25,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:57:25,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:57:25,834 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:57:25,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:25" (3/4) ... [2018-11-18 17:57:25,837 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:57:25,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:57:25,838 INFO L168 Benchmark]: Toolchain (without parser) took 970.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -124.3 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:25,839 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:57:25,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -197.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:25,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:25,840 INFO L168 Benchmark]: Boogie Preprocessor took 24.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:25,840 INFO L168 Benchmark]: RCFGBuilder took 314.34 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:25,840 INFO L168 Benchmark]: TraceAbstraction took 360.78 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:25,840 INFO L168 Benchmark]: Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:57:25,843 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -197.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 314.34 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 360.78 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 153]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 152. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(halF_exp)=22, \old(halF_exp)=46, \old(huge_exp)=37, \old(invln2_exp)=18, \old(ln2HI_exp)=17, \old(ln2HI_exp)=41, \old(ln2LO_exp)=27, \old(ln2LO_exp)=44, \old(o_threshold_exp)=25, \old(one_exp)=35, \old(P1_exp)=21, \old(P2_exp)=23, \old(P3_exp)=29, \old(P4_exp)=33, \old(P5_exp)=32, \old(twom1000_exp)=24, \old(u_threshold_exp)=42, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L149] double x = -1.0 / 0.0; VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=26, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=26, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L50] FCALL ieee_double_shape_type gh_u; [L51] FCALL gh_u.value = (x) [L52] EXPR, FCALL gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L53] COND FALSE !(0) VAL [\old(x)=26, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=19, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=26, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=26, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=26, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] RET return huge_exp * huge_exp; VAL [\old(x)=26, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L150] EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L150] double res = __ieee754_exp(x); [L152] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=38, res == 0.0 && __signbit_double(res) == 0=0, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L152] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L153] __VERIFIER_error() VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={28:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=38, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 69 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=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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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 17:57:27,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:57:27,247 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:57:27,255 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:57:27,255 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:57:27,255 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:57:27,256 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:57:27,257 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:57:27,259 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:57:27,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:57:27,260 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:57:27,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:57:27,261 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:57:27,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:57:27,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:57:27,263 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:57:27,264 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:57:27,265 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:57:27,266 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:57:27,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:57:27,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:57:27,269 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:57:27,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:57:27,271 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:57:27,271 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:57:27,272 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:57:27,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:57:27,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:57:27,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:57:27,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:57:27,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:57:27,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:57:27,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:57:27,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:57:27,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:57:27,277 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:57:27,277 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:57:27,288 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:57:27,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:57:27,289 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:57:27,289 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:57:27,289 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:57:27,289 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:57:27,289 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:57:27,290 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:57:27,290 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:57:27,290 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:57:27,290 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:57:27,291 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:57:27,291 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:57:27,291 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:57:27,291 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:57:27,291 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:57:27,291 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:57:27,291 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:57:27,291 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:57:27,292 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:57:27,292 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:57:27,292 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:57:27,292 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:57:27,292 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:57:27,292 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:57:27,292 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:57:27,292 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:57:27,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:57:27,293 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:57:27,293 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:57:27,293 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:57:27,293 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:57:27,293 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:57:27,293 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:57:27,293 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:57:27,293 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_c843ee55-66c5-4543-a3bc-3bd264f38775/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 -> e9c6bf05d102b43fb2b728009d6b55f3314474ef [2018-11-18 17:57:27,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:57:27,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:57:27,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:57:27,338 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:57:27,338 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:57:27,339 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-11-18 17:57:27,385 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data/19e255de3/e72380b24ad8457ca11812f67ab7d447/FLAG831c0c0f4 [2018-11-18 17:57:27,725 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:57:27,725 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/sv-benchmarks/c/float-newlib/double_req_bl_0833_true-unreach-call.c [2018-11-18 17:57:27,729 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data/19e255de3/e72380b24ad8457ca11812f67ab7d447/FLAG831c0c0f4 [2018-11-18 17:57:27,739 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/data/19e255de3/e72380b24ad8457ca11812f67ab7d447 [2018-11-18 17:57:27,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:57:27,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:57:27,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:27,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:57:27,745 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:57:27,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:27,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcafc49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27, skipping insertion in model container [2018-11-18 17:57:27,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:27,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:57:27,773 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:57:27,929 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:27,934 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:57:27,965 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:27,983 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:57:27,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27 WrapperNode [2018-11-18 17:57:27,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:27,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:27,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:57:27,984 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:57:27,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:27,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:28,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:28,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:57:28,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:57:28,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:57:28,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:28,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:28,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:28,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:28,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:28,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:28,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... [2018-11-18 17:57:28,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:57:28,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:57:28,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:57:28,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:57:28,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/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 17:57:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 17:57:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-11-18 17:57:28,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-11-18 17:57:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 17:57:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 17:57:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-11-18 17:57:28,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-11-18 17:57:28,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:57:28,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:57:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:57:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:57:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:57:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 17:57:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:57:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:57:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 17:57:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:57:28,255 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:28,269 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:28,532 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:38,578 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:38,599 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:38,617 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:38,660 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:38,672 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:57:38,715 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:57:38,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:38 BoogieIcfgContainer [2018-11-18 17:57:38,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:57:38,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:57:38,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:57:38,718 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:57:38,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:57:27" (1/3) ... [2018-11-18 17:57:38,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5665a448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:38, skipping insertion in model container [2018-11-18 17:57:38,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:27" (2/3) ... [2018-11-18 17:57:38,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5665a448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:38, skipping insertion in model container [2018-11-18 17:57:38,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:38" (3/3) ... [2018-11-18 17:57:38,722 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833_true-unreach-call.c [2018-11-18 17:57:38,728 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:57:38,734 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:57:38,745 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:57:38,766 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:57:38,767 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:57:38,767 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:57:38,767 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:57:38,767 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:57:38,767 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:57:38,767 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:57:38,767 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:57:38,767 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:57:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-11-18 17:57:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:57:38,784 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:57:38,785 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:57:38,787 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:57:38,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:57:38,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1760463630, now seen corresponding path program 1 times [2018-11-18 17:57:38,794 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:57:38,794 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/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 17:57:38,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:57:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:39,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:57:39,070 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 17:57:39,070 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:57:39,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:57:39,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:57:39,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:57:39,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:57:39,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:57:39,094 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-11-18 17:57:39,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:57:39,106 INFO L93 Difference]: Finished difference Result 57 states and 84 transitions. [2018-11-18 17:57:39,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:57:39,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 17:57:39,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:57:39,112 INFO L225 Difference]: With dead ends: 57 [2018-11-18 17:57:39,112 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:57:39,115 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 17:57:39,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:57:39,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:57:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:57:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:57:39,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-11-18 17:57:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:57:39,132 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:57:39,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:57:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:57:39,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:57:39,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:57:39,199 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-11-18 17:57:39,200 INFO L428 ceAbstractionStarter]: At program point L60-3(lines 60 64) the Hoare annotation is: true [2018-11-18 17:57:39,200 INFO L425 ceAbstractionStarter]: For program point L60-4(lines 58 69) no Hoare annotation was computed. [2018-11-18 17:57:39,200 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-11-18 17:57:39,200 INFO L425 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-11-18 17:57:39,200 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-11-18 17:57:39,200 INFO L428 ceAbstractionStarter]: At program point L102-3(lines 102 106) the Hoare annotation is: true [2018-11-18 17:57:39,200 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-11-18 17:57:39,200 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-11-18 17:57:39,200 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-11-18 17:57:39,201 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-11-18 17:57:39,201 INFO L425 ceAbstractionStarter]: For program point L121-2(lines 114 128) no Hoare annotation was computed. [2018-11-18 17:57:39,201 INFO L425 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-11-18 17:57:39,201 INFO L425 ceAbstractionStarter]: For program point L121-3(lines 121 126) no Hoare annotation was computed. [2018-11-18 17:57:39,201 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-11-18 17:57:39,201 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-11-18 17:57:39,201 INFO L425 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-11-18 17:57:39,201 INFO L428 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-11-18 17:57:39,201 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-11-18 17:57:39,202 INFO L425 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-11-18 17:57:39,202 INFO L425 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-11-18 17:57:39,202 INFO L428 ceAbstractionStarter]: At program point L49-3(lines 49 53) the Hoare annotation is: true [2018-11-18 17:57:39,202 INFO L425 ceAbstractionStarter]: For program point L49-4(lines 49 53) no Hoare annotation was computed. [2018-11-18 17:57:39,202 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-11-18 17:57:39,202 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 100 114) no Hoare annotation was computed. [2018-11-18 17:57:39,202 INFO L425 ceAbstractionStarter]: For program point L107-3(lines 107 112) no Hoare annotation was computed. [2018-11-18 17:57:39,202 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-11-18 17:57:39,202 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-11-18 17:57:39,203 INFO L428 ceAbstractionStarter]: At program point L116-3(lines 116 120) the Hoare annotation is: true [2018-11-18 17:57:39,203 INFO L425 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-11-18 17:57:39,203 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-11-18 17:57:39,203 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-11-18 17:57:39,203 INFO L425 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-11-18 17:57:39,203 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:57:39,203 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:57:39,203 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:57:39,203 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 131 141) no Hoare annotation was computed. [2018-11-18 17:57:39,204 INFO L425 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 131 141) no Hoare annotation was computed. [2018-11-18 17:57:39,204 INFO L428 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 131 141) the Hoare annotation is: true [2018-11-18 17:57:39,204 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-18 17:57:39,204 INFO L428 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: true [2018-11-18 17:57:39,204 INFO L425 ceAbstractionStarter]: For program point L134-4(lines 134 138) no Hoare annotation was computed. [2018-11-18 17:57:39,204 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:57:39,204 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 17:57:39,204 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:57:39,205 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:57:39,205 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 143 158) the Hoare annotation is: true [2018-11-18 17:57:39,205 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2018-11-18 17:57:39,205 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 17:57:39,205 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 143 158) no Hoare annotation was computed. [2018-11-18 17:57:39,205 INFO L425 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-11-18 17:57:39,205 INFO L428 ceAbstractionStarter]: At program point L152-1(line 152) the Hoare annotation is: true [2018-11-18 17:57:39,205 INFO L428 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: true [2018-11-18 17:57:39,205 INFO L425 ceAbstractionStarter]: For program point L152-2(line 152) no Hoare annotation was computed. [2018-11-18 17:57:39,206 INFO L425 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-11-18 17:57:39,206 INFO L425 ceAbstractionStarter]: For program point L152-4(lines 152 155) no Hoare annotation was computed. [2018-11-18 17:57:39,206 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 143 158) no Hoare annotation was computed. [2018-11-18 17:57:39,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:57:39 BoogieIcfgContainer [2018-11-18 17:57:39,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:57:39,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:57:39,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:57:39,211 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:57:39,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:38" (3/4) ... [2018-11-18 17:57:39,214 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:57:39,218 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-11-18 17:57:39,218 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:57:39,218 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-11-18 17:57:39,219 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:57:39,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-18 17:57:39,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-18 17:57:39,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 17:57:39,223 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:57:39,224 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 17:57:39,266 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c843ee55-66c5-4543-a3bc-3bd264f38775/bin-2019/utaipan/witness.graphml [2018-11-18 17:57:39,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:57:39,267 INFO L168 Benchmark]: Toolchain (without parser) took 11525.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 949.2 MB in the beginning and 1.0 GB in the end (delta: -70.5 MB). Peak memory consumption was 49.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:39,268 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:57:39,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.47 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:39,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.72 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 927.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:39,269 INFO L168 Benchmark]: Boogie Preprocessor took 79.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:39,269 INFO L168 Benchmark]: RCFGBuilder took 10630.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:39,269 INFO L168 Benchmark]: TraceAbstraction took 494.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:57:39,270 INFO L168 Benchmark]: Witness Printer took 54.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:57:39,271 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.47 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 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 21.72 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 927.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10630.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 494.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Witness Printer took 54.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 153]: 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: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 13 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...