./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/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 fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 .............................................................................................................................................................................................................................................................................................................................................. 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_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/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 fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:06:11,451 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:06:11,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:06:11,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:06:11,458 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:06:11,458 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:06:11,459 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:06:11,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:06:11,460 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:06:11,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:06:11,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:06:11,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:06:11,462 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:06:11,462 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:06:11,463 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:06:11,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:06:11,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:06:11,465 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:06:11,466 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:06:11,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:06:11,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:06:11,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:06:11,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:06:11,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:06:11,469 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:06:11,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:06:11,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:06:11,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:06:11,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:06:11,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:06:11,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:06:11,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:06:11,472 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:06:11,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:06:11,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:06:11,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:06:11,473 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 19:06:11,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:06:11,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:06:11,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:06:11,481 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:06:11,481 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:06:11,481 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:06:11,481 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:06:11,481 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 19:06:11,481 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:06:11,481 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:06:11,481 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 19:06:11,481 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 19:06:11,482 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:06:11,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:06:11,482 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:06:11,482 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:06:11,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:06:11,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:06:11,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:06:11,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:06:11,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:06:11,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:06:11,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:06:11,483 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:06:11,484 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 19:06:11,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:06:11,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:06:11,484 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 19:06:11,484 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_8de8b5c1-3280-4155-a433-bbee6c3bf099/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 -> fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 [2018-12-08 19:06:11,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:06:11,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:06:11,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:06:11,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:06:11,514 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:06:11,515 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c [2018-12-08 19:06:11,549 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data/48d3eff32/334d936c49e64537a99710e5c4896747/FLAG34e0f2119 [2018-12-08 19:06:11,949 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:06:11,950 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c [2018-12-08 19:06:11,954 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data/48d3eff32/334d936c49e64537a99710e5c4896747/FLAG34e0f2119 [2018-12-08 19:06:11,962 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data/48d3eff32/334d936c49e64537a99710e5c4896747 [2018-12-08 19:06:11,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:06:11,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:06:11,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:06:11,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:06:11,968 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:06:11,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:06:11" (1/1) ... [2018-12-08 19:06:11,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e1e261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:11, skipping insertion in model container [2018-12-08 19:06:11,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:06:11" (1/1) ... [2018-12-08 19:06:11,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:06:11,987 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:06:12,099 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:06:12,101 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:06:12,128 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:06:12,172 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:06:12,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12 WrapperNode [2018-12-08 19:06:12,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:06:12,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:06:12,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:06:12,173 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:06:12,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:06:12,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:06:12,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:06:12,190 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:06:12,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... [2018-12-08 19:06:12,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:06:12,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:06:12,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:06:12,218 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:06:12,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:06:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:06:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:06:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 19:06:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 19:06:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-08 19:06:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-08 19:06:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:06:12,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:06:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 19:06:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:06:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:06:12,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:06:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 19:06:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-08 19:06:12,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-08 19:06:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 19:06:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-08 19:06:12,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-08 19:06:12,524 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:06:12,524 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-08 19:06:12,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:06:12 BoogieIcfgContainer [2018-12-08 19:06:12,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:06:12,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:06:12,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:06:12,528 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:06:12,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:06:11" (1/3) ... [2018-12-08 19:06:12,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616fb0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:06:12, skipping insertion in model container [2018-12-08 19:06:12,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:12" (2/3) ... [2018-12-08 19:06:12,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616fb0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:06:12, skipping insertion in model container [2018-12-08 19:06:12,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:06:12" (3/3) ... [2018-12-08 19:06:12,530 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270c_true-unreach-call.c [2018-12-08 19:06:12,538 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:06:12,544 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:06:12,555 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:06:12,575 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:06:12,575 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:06:12,575 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:06:12,575 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:06:12,575 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:06:12,575 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:06:12,575 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:06:12,575 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:06:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-12-08 19:06:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 19:06:12,590 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:06:12,590 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:06:12,592 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:06:12,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:12,595 INFO L82 PathProgramCache]: Analyzing trace with hash 872759118, now seen corresponding path program 1 times [2018-12-08 19:06:12,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:06:12,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:06:12,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:06:12,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:06:12,625 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:06:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:06:12,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:06:12,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:06:12,674 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 19:06:12,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:06:12,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:06:12,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:06:12,685 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 2 states. [2018-12-08 19:06:12,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:06:12,704 INFO L93 Difference]: Finished difference Result 196 states and 313 transitions. [2018-12-08 19:06:12,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:06:12,705 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-12-08 19:06:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:06:12,711 INFO L225 Difference]: With dead ends: 196 [2018-12-08 19:06:12,711 INFO L226 Difference]: Without dead ends: 98 [2018-12-08 19:06:12,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:06:12,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-12-08 19:06:12,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-12-08 19:06:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-08 19:06:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2018-12-08 19:06:12,740 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 28 [2018-12-08 19:06:12,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:06:12,740 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2018-12-08 19:06:12,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:06:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2018-12-08 19:06:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 19:06:12,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:06:12,741 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:06:12,741 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:06:12,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:12,741 INFO L82 PathProgramCache]: Analyzing trace with hash -863403993, now seen corresponding path program 1 times [2018-12-08 19:06:12,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:06:12,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:06:12,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:06:12,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:06:12,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:06:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:06:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:06:12,814 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 19:06:12,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:06:12 BoogieIcfgContainer [2018-12-08 19:06:12,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:06:12,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:06:12,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:06:12,834 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:06:12,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:06:12" (3/4) ... [2018-12-08 19:06:12,837 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 19:06:12,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:06:12,838 INFO L168 Benchmark]: Toolchain (without parser) took 873.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.6 MB in the beginning and 1.0 GB in the end (delta: -88.5 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:12,838 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:06:12,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:12,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:12,839 INFO L168 Benchmark]: Boogie Preprocessor took 28.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:12,840 INFO L168 Benchmark]: RCFGBuilder took 306.61 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: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:12,840 INFO L168 Benchmark]: TraceAbstraction took 308.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:06:12,840 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:06:12,842 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 306.61 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: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 308.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 235]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 218. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418249, \old(tiny_sqrt)=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L229] float x = __VERIFIER_nondet_float(); [L230] float y = 1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247] [L232] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418247, \old(y)=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L86] ieee_float_shape_type gf_u; [L87] gf_u.value = (x) [L88] EXPR gf_u.word [L88] (ha) = gf_u.word [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L92] ieee_float_shape_type gf_u; [L93] gf_u.value = (y) [L94] EXPR gf_u.word [L94] (hb) = gf_u.word [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418248, b=10737418247, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L108] ieee_float_shape_type sf_u; [L109] sf_u.word = (ha) [L110] EXPR sf_u.value [L110] (a) = sf_u.value [L113] ieee_float_shape_type sf_u; [L114] sf_u.word = (hb) [L115] EXPR sf_u.value [L115] (b) = sf_u.value [L117] COND TRUE (ha - hb) > 0xf000000L [L118] return a + b; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418263, b=10737418264, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L232] RET, EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L232] float res = __ieee754_hypotf(x, y); [L234] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L212] __int32_t ix; VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L214] ieee_float_shape_type gf_u; [L215] gf_u.value = (x) [L216] EXPR gf_u.word [L216] (ix) = gf_u.word [L218] ix &= 0x7fffffff [L219] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418243, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L234] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L234] COND TRUE !isinf_float(res) [L235] __VERIFIER_error() VAL [one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 102 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 124 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=102occurred 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, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:06:14,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:06:14,131 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:06:14,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-12-08 19:06:14,141 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:06:14,141 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:06:14,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:06:14,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:06:14,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:06:14,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:06:14,144 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:06:14,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:06:14,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:06:14,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:06:14,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:06:14,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:06:14,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:06:14,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:06:14,149 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:06:14,149 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:06:14,150 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:06:14,150 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:06:14,151 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:06:14,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:06:14,151 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:06:14,151 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:06:14,151 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:06:14,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:06:14,152 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:06:14,152 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 19:06:14,160 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:06:14,160 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:06:14,160 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:06:14,160 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:06:14,160 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:06:14,161 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:06:14,161 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:06:14,161 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:06:14,161 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:06:14,161 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:06:14,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:06:14,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:06:14,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:06:14,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:06:14,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:06:14,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:06:14,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:06:14,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:06:14,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:06:14,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:06:14,163 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:06:14,163 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 19:06:14,163 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:06:14,164 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 19:06:14,164 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 19:06:14,164 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_8de8b5c1-3280-4155-a433-bbee6c3bf099/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 -> fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 [2018-12-08 19:06:14,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:06:14,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:06:14,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:06:14,195 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:06:14,196 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:06:14,196 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c [2018-12-08 19:06:14,241 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data/b559e8d9f/0d78d08d6e4f4e479c42dab74c133c06/FLAG63f3a19a7 [2018-12-08 19:06:14,639 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:06:14,640 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/sv-benchmarks/c/float-newlib/float_req_bl_1270c_true-unreach-call.c [2018-12-08 19:06:14,644 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data/b559e8d9f/0d78d08d6e4f4e479c42dab74c133c06/FLAG63f3a19a7 [2018-12-08 19:06:14,652 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/data/b559e8d9f/0d78d08d6e4f4e479c42dab74c133c06 [2018-12-08 19:06:14,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:06:14,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:06:14,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:06:14,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:06:14,658 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:06:14,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14, skipping insertion in model container [2018-12-08 19:06:14,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:06:14,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:06:14,794 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:06:14,798 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:06:14,831 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:06:14,846 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:06:14,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14 WrapperNode [2018-12-08 19:06:14,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:06:14,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:06:14,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:06:14,847 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:06:14,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:06:14,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:06:14,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:06:14,866 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:06:14,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... [2018-12-08 19:06:14,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:06:14,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:06:14,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:06:14,928 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:06:14,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:06:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:06:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:06:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 19:06:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-08 19:06:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-08 19:06:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:06:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:06:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:06:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 19:06:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:06:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:06:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 19:06:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-08 19:06:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-08 19:06:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 19:06:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 19:06:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-08 19:06:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-08 19:06:15,062 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:06:15,245 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:06:15,267 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:06:15,511 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 19:06:15,964 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:06:15,964 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-08 19:06:15,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:06:15 BoogieIcfgContainer [2018-12-08 19:06:15,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:06:15,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:06:15,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:06:15,966 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:06:15,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:06:14" (1/3) ... [2018-12-08 19:06:15,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223148d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:06:15, skipping insertion in model container [2018-12-08 19:06:15,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:06:14" (2/3) ... [2018-12-08 19:06:15,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223148d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:06:15, skipping insertion in model container [2018-12-08 19:06:15,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:06:15" (3/3) ... [2018-12-08 19:06:15,968 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270c_true-unreach-call.c [2018-12-08 19:06:15,975 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:06:15,981 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:06:15,993 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:06:16,010 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 19:06:16,010 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:06:16,010 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:06:16,010 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:06:16,010 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:06:16,010 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:06:16,010 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:06:16,010 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:06:16,011 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:06:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2018-12-08 19:06:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 19:06:16,025 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:06:16,025 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:06:16,026 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:06:16,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:16,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1684593163, now seen corresponding path program 1 times [2018-12-08 19:06:16,032 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:06:16,032 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 19:06:16,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:06:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:16,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:06:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:06:16,119 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:06:16,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:06:16,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:06:16,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:06:16,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:06:16,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:06:16,145 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2018-12-08 19:06:16,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:06:16,171 INFO L93 Difference]: Finished difference Result 194 states and 311 transitions. [2018-12-08 19:06:16,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:06:16,172 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-12-08 19:06:16,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:06:16,181 INFO L225 Difference]: With dead ends: 194 [2018-12-08 19:06:16,181 INFO L226 Difference]: Without dead ends: 97 [2018-12-08 19:06:16,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:06:16,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-08 19:06:16,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-08 19:06:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-08 19:06:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2018-12-08 19:06:16,215 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 27 [2018-12-08 19:06:16,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:06:16,215 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2018-12-08 19:06:16,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:06:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2018-12-08 19:06:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 19:06:16,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:06:16,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:06:16,216 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:06:16,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:06:16,217 INFO L82 PathProgramCache]: Analyzing trace with hash -592227502, now seen corresponding path program 1 times [2018-12-08 19:06:16,217 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:06:16,217 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 19:06:16,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:06:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:06:16,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:06:16,613 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-08 19:06:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:06:18,560 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:06:18,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:06:18,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-12-08 19:06:18,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 19:06:18,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 19:06:18,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-12-08 19:06:18,569 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand 17 states. [2018-12-08 19:06:19,314 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2018-12-08 19:06:23,332 WARN L180 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-12-08 19:07:06,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:07:06,971 INFO L93 Difference]: Finished difference Result 192 states and 238 transitions. [2018-12-08 19:07:07,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 19:07:07,022 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-12-08 19:07:07,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:07:07,025 INFO L225 Difference]: With dead ends: 192 [2018-12-08 19:07:07,025 INFO L226 Difference]: Without dead ends: 185 [2018-12-08 19:07:07,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2018-12-08 19:07:07,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-12-08 19:07:07,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 102. [2018-12-08 19:07:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-12-08 19:07:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2018-12-08 19:07:07,042 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 32 [2018-12-08 19:07:07,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:07:07,043 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2018-12-08 19:07:07,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 19:07:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2018-12-08 19:07:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 19:07:07,044 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:07:07,044 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:07:07,044 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:07:07,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:07:07,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1708595088, now seen corresponding path program 1 times [2018-12-08 19:07:07,045 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:07:07,045 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 19:07:07,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:07:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:07,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:07:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:07:07,403 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:07:07,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:07:07,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 19:07:07,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:07:07,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:07:07,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:07:07,412 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand 9 states. [2018-12-08 19:07:53,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:07:53,428 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2018-12-08 19:07:53,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 19:07:53,477 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-12-08 19:07:53,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:07:53,479 INFO L225 Difference]: With dead ends: 203 [2018-12-08 19:07:53,479 INFO L226 Difference]: Without dead ends: 170 [2018-12-08 19:07:53,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-12-08 19:07:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-12-08 19:07:53,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 115. [2018-12-08 19:07:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-08 19:07:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 139 transitions. [2018-12-08 19:07:53,496 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 139 transitions. Word has length 32 [2018-12-08 19:07:53,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:07:53,496 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 139 transitions. [2018-12-08 19:07:53,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:07:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 139 transitions. [2018-12-08 19:07:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 19:07:53,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:07:53,497 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:07:53,498 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:07:53,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:07:53,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1956568480, now seen corresponding path program 1 times [2018-12-08 19:07:53,498 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:07:53,498 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-08 19:07:53,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:07:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:07:53,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:07:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:07:53,643 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:07:53,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:07:53,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:07:53,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:07:53,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:07:53,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:07:53,651 INFO L87 Difference]: Start difference. First operand 115 states and 139 transitions. Second operand 8 states. [2018-12-08 19:08:16,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:08:16,561 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2018-12-08 19:08:16,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:08:16,616 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-12-08 19:08:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:08:16,617 INFO L225 Difference]: With dead ends: 216 [2018-12-08 19:08:16,617 INFO L226 Difference]: Without dead ends: 126 [2018-12-08 19:08:16,618 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-08 19:08:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-08 19:08:16,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 106. [2018-12-08 19:08:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-08 19:08:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 127 transitions. [2018-12-08 19:08:16,627 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 127 transitions. Word has length 35 [2018-12-08 19:08:16,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:08:16,627 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 127 transitions. [2018-12-08 19:08:16,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:08:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2018-12-08 19:08:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 19:08:16,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:08:16,629 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:08:16,629 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:08:16,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:08:16,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1068264538, now seen corresponding path program 1 times [2018-12-08 19:08:16,629 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:08:16,629 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-08 19:08:16,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:08:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:16,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:08:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:08:16,885 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:08:16,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:08:16,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 19:08:16,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:08:16,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:08:16,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:08:16,894 INFO L87 Difference]: Start difference. First operand 106 states and 127 transitions. Second operand 9 states. [2018-12-08 19:08:34,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:08:34,354 INFO L93 Difference]: Finished difference Result 140 states and 165 transitions. [2018-12-08 19:08:34,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 19:08:34,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-12-08 19:08:34,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:08:34,397 INFO L225 Difference]: With dead ends: 140 [2018-12-08 19:08:34,397 INFO L226 Difference]: Without dead ends: 126 [2018-12-08 19:08:34,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-12-08 19:08:34,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-08 19:08:34,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 109. [2018-12-08 19:08:34,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-08 19:08:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions. [2018-12-08 19:08:34,415 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 132 transitions. Word has length 37 [2018-12-08 19:08:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:08:34,416 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 132 transitions. [2018-12-08 19:08:34,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:08:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2018-12-08 19:08:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 19:08:34,417 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:08:34,417 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:08:34,417 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:08:34,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:08:34,418 INFO L82 PathProgramCache]: Analyzing trace with hash 57147288, now seen corresponding path program 1 times [2018-12-08 19:08:34,418 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:08:34,418 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 19:08:34,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:08:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:34,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:08:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:08:34,929 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:08:34,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:08:34,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-12-08 19:08:34,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 19:08:34,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 19:08:34,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-12-08 19:08:34,938 INFO L87 Difference]: Start difference. First operand 109 states and 132 transitions. Second operand 16 states. [2018-12-08 19:08:53,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:08:53,203 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2018-12-08 19:08:53,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 19:08:53,204 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-12-08 19:08:53,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:08:53,205 INFO L225 Difference]: With dead ends: 136 [2018-12-08 19:08:53,205 INFO L226 Difference]: Without dead ends: 127 [2018-12-08 19:08:53,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2018-12-08 19:08:53,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-08 19:08:53,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 109. [2018-12-08 19:08:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-08 19:08:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 131 transitions. [2018-12-08 19:08:53,219 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 131 transitions. Word has length 37 [2018-12-08 19:08:53,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:08:53,219 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 131 transitions. [2018-12-08 19:08:53,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 19:08:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2018-12-08 19:08:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 19:08:53,220 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:08:53,220 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:08:53,221 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:08:53,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:08:53,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1222716390, now seen corresponding path program 1 times [2018-12-08 19:08:53,221 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:08:53,222 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-08 19:08:53,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:08:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:08:53,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:08:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:08:53,393 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:08:53,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:08:53,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:08:53,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:08:53,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:08:53,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:08:53,402 INFO L87 Difference]: Start difference. First operand 109 states and 131 transitions. Second operand 8 states. [2018-12-08 19:09:28,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:09:28,533 INFO L93 Difference]: Finished difference Result 175 states and 205 transitions. [2018-12-08 19:09:28,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:09:28,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-12-08 19:09:28,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:09:28,571 INFO L225 Difference]: With dead ends: 175 [2018-12-08 19:09:28,571 INFO L226 Difference]: Without dead ends: 114 [2018-12-08 19:09:28,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-08 19:09:28,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-08 19:09:28,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 100. [2018-12-08 19:09:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-08 19:09:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 119 transitions. [2018-12-08 19:09:28,580 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 119 transitions. Word has length 37 [2018-12-08 19:09:28,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:09:28,581 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 119 transitions. [2018-12-08 19:09:28,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:09:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2018-12-08 19:09:28,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 19:09:28,581 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:09:28,582 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:09:28,582 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:09:28,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:09:28,582 INFO L82 PathProgramCache]: Analyzing trace with hash -737173796, now seen corresponding path program 1 times [2018-12-08 19:09:28,582 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:09:28,583 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-08 19:09:28,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:09:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:28,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:09:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:09:29,004 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:09:29,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:09:29,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-12-08 19:09:29,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 19:09:29,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 19:09:29,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-12-08 19:09:29,013 INFO L87 Difference]: Start difference. First operand 100 states and 119 transitions. Second operand 15 states. [2018-12-08 19:09:52,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:09:52,812 INFO L93 Difference]: Finished difference Result 121 states and 142 transitions. [2018-12-08 19:09:52,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 19:09:52,813 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-12-08 19:09:52,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:09:52,814 INFO L225 Difference]: With dead ends: 121 [2018-12-08 19:09:52,814 INFO L226 Difference]: Without dead ends: 111 [2018-12-08 19:09:52,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-12-08 19:09:52,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-08 19:09:52,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 97. [2018-12-08 19:09:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-08 19:09:52,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2018-12-08 19:09:52,823 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 37 [2018-12-08 19:09:52,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:09:52,824 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2018-12-08 19:09:52,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 19:09:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2018-12-08 19:09:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 19:09:52,824 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:09:52,824 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:09:52,825 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:09:52,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:09:52,825 INFO L82 PathProgramCache]: Analyzing trace with hash 184471245, now seen corresponding path program 1 times [2018-12-08 19:09:52,825 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:09:52,825 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-12-08 19:09:52,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:09:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:09:52,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:09:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:09:53,129 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:09:53,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:09:53,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 19:09:53,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:09:53,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:09:53,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:09:53,137 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand 9 states. [2018-12-08 19:10:16,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:10:16,957 INFO L93 Difference]: Finished difference Result 124 states and 142 transitions. [2018-12-08 19:10:17,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:10:17,002 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-12-08 19:10:17,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:10:17,003 INFO L225 Difference]: With dead ends: 124 [2018-12-08 19:10:17,003 INFO L226 Difference]: Without dead ends: 111 [2018-12-08 19:10:17,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-12-08 19:10:17,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-08 19:10:17,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 97. [2018-12-08 19:10:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-08 19:10:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2018-12-08 19:10:17,014 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 40 [2018-12-08 19:10:17,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:10:17,014 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2018-12-08 19:10:17,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:10:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2018-12-08 19:10:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 19:10:17,015 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:10:17,015 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:10:17,015 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:10:17,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:10:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash 988726326, now seen corresponding path program 1 times [2018-12-08 19:10:17,016 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:10:17,016 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-12-08 19:10:17,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:10:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:17,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:10:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:10:17,673 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:10:17,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:10:17,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 19:10:17,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:10:17,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:10:17,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:10:17,685 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 9 states. [2018-12-08 19:10:40,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:10:40,121 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2018-12-08 19:10:40,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:10:40,122 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2018-12-08 19:10:40,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:10:40,122 INFO L225 Difference]: With dead ends: 122 [2018-12-08 19:10:40,122 INFO L226 Difference]: Without dead ends: 94 [2018-12-08 19:10:40,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-08 19:10:40,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-12-08 19:10:40,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-12-08 19:10:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-12-08 19:10:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 109 transitions. [2018-12-08 19:10:40,131 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 109 transitions. Word has length 52 [2018-12-08 19:10:40,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:10:40,131 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 109 transitions. [2018-12-08 19:10:40,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:10:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2018-12-08 19:10:40,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 19:10:40,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:10:40,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:10:40,132 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:10:40,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:10:40,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1415430052, now seen corresponding path program 1 times [2018-12-08 19:10:40,132 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:10:40,132 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8de8b5c1-3280-4155-a433-bbee6c3bf099/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-12-08 19:10:40,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:10:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:10:40,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:10:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:10:40,779 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 19:10:40,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:10:40,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 19:10:40,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:10:40,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:10:40,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:10:40,791 INFO L87 Difference]: Start difference. First operand 94 states and 109 transitions. Second operand 9 states. [2018-12-08 19:10:48,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:10:48,131 INFO L93 Difference]: Finished difference Result 94 states and 109 transitions. [2018-12-08 19:10:48,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 19:10:48,182 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2018-12-08 19:10:48,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:10:48,182 INFO L225 Difference]: With dead ends: 94 [2018-12-08 19:10:48,182 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 19:10:48,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-12-08 19:10:48,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 19:10:48,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 19:10:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 19:10:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 19:10:48,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-12-08 19:10:48,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:10:48,184 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 19:10:48,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:10:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 19:10:48,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:10:48,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 19:10:48,623 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-12-08 19:10:48,929 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2018-12-08 19:10:49,227 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2018-12-08 19:10:49,552 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 19 [2018-12-08 19:10:49,796 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 19 [2018-12-08 19:10:50,035 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 19 [2018-12-08 19:10:50,133 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 217) no Hoare annotation was computed. [2018-12-08 19:10:50,133 INFO L444 ceAbstractionStarter]: At program point L213-2(lines 213 217) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-12-08 19:10:50,133 INFO L448 ceAbstractionStarter]: For program point L213-3(lines 213 217) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 211 220) the Hoare annotation is: true [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 211 220) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 211 220) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 19:10:50,134 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 222 239) the Hoare annotation is: true [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 222 239) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~hb~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_36) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_36) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_36)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_36))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0))) (= main_~y~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point L234-1(lines 234 237) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 222 239) no Hoare annotation was computed. [2018-12-08 19:10:50,134 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (= main_~y~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-08 19:10:50,134 INFO L448 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L444 ceAbstractionStarter]: At program point L176-2(lines 176 180) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 176 180) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L444 ceAbstractionStarter]: At program point L185-2(lines 185 189) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L185-3(lines 185 189) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L444 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 81 208) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-12-08 19:10:50,135 INFO L451 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 121 144) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 81 208) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L444 ceAbstractionStarter]: At program point L91-2(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32) __ieee754_hypotf_~ha~0))) [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-08 19:10:50,136 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 157 171) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L444 ceAbstractionStarter]: At program point L191-2(lines 191 195) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L444 ceAbstractionStarter]: At program point L200-2(lines 200 204) the Hoare annotation is: (or (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (__ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27))) (and (not (bvsgt .cse0 __ieee754_hypotf_~ha~0)) (bvsgt (bvadd __ieee754_hypotf_~ha~0 (bvneg .cse0)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|))))) [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-12-08 19:10:50,137 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L451 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: true [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L451 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: true [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: true [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-08 19:10:50,138 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-12-08 19:10:50,143 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-08 19:10:50,145 INFO L168 Benchmark]: Toolchain (without parser) took 275490.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-12-08 19:10:50,146 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:10:50,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.22 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:10:50,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.48 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 923.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:10:50,147 INFO L168 Benchmark]: Boogie Preprocessor took 61.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:10:50,147 INFO L168 Benchmark]: RCFGBuilder took 1036.18 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-12-08 19:10:50,148 INFO L168 Benchmark]: TraceAbstraction took 274179.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -68.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:10:50,151 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.22 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.48 ms. Allocated memory is still 1.0 GB. Free memory was 928.6 MB in the beginning and 923.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1036.18 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 274179.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -68.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 235]: 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: 50]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...