./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/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 e244339627025cb250c22854e0eaa32467bc4188 ..................................................................................................................................................................................................................................................................................................................................................................................... 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_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/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 e244339627025cb250c22854e0eaa32467bc4188 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:07:12,454 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:07:12,456 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:07:12,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:07:12,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:07:12,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:07:12,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:07:12,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:07:12,468 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:07:12,469 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:07:12,469 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:07:12,469 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:07:12,470 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:07:12,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:07:12,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:07:12,472 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:07:12,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:07:12,474 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:07:12,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:07:12,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:07:12,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:07:12,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:07:12,479 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:07:12,479 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:07:12,479 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:07:12,480 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:07:12,480 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:07:12,481 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:07:12,481 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:07:12,482 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:07:12,482 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:07:12,483 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:07:12,483 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:07:12,483 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:07:12,484 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:07:12,484 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:07:12,484 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 10:07:12,494 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:07:12,494 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:07:12,495 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:07:12,495 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:07:12,495 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:07:12,495 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:07:12,495 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:07:12,495 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:07:12,495 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:07:12,496 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:07:12,496 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:07:12,496 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:07:12,496 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:07:12,497 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:07:12,497 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:07:12,497 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:07:12,497 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:07:12,497 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:07:12,497 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:07:12,497 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:07:12,497 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:07:12,498 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:07:12,498 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:07:12,498 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:07:12,498 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:07:12,498 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:07:12,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:07:12,498 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:07:12,499 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:07:12,499 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:07:12,499 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:07:12,499 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:07:12,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:07:12,499 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:07:12,499 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_c974f849-3c91-4e42-a295-fa61134ee0f7/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-11-10 10:07:12,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:07:12,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:07:12,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:07:12,538 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:07:12,538 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:07:12,538 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-10 10:07:12,580 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data/8b75143e3/50e31d5a6f274010ac6282be715d3d98/FLAG529b3e0ee [2018-11-10 10:07:12,912 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:07:12,913 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-10 10:07:12,919 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data/8b75143e3/50e31d5a6f274010ac6282be715d3d98/FLAG529b3e0ee [2018-11-10 10:07:12,927 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data/8b75143e3/50e31d5a6f274010ac6282be715d3d98 [2018-11-10 10:07:12,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:07:12,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:07:12,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:07:12,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:07:12,932 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:07:12,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:07:12" (1/1) ... [2018-11-10 10:07:12,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe532c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:12, skipping insertion in model container [2018-11-10 10:07:12,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:07:12" (1/1) ... [2018-11-10 10:07:12,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:07:12,958 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:07:13,091 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:07:13,094 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:07:13,128 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:07:13,143 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:07:13,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13 WrapperNode [2018-11-10 10:07:13,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:07:13,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:07:13,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:07:13,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:07:13,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:07:13,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:07:13,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:07:13,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:07:13,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... [2018-11-10 10:07:13,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:07:13,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:07:13,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:07:13,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:07:13,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:07:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:07:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:07:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-10 10:07:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-10 10:07:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:07:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:07:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 10:07:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 10:07:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:07:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:07:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 10:07:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 10:07:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 10:07:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 10:07:13,687 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:07:13,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:07:13 BoogieIcfgContainer [2018-11-10 10:07:13,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:07:13,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:07:13,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:07:13,691 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:07:13,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:07:12" (1/3) ... [2018-11-10 10:07:13,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed62a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:07:13, skipping insertion in model container [2018-11-10 10:07:13,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:13" (2/3) ... [2018-11-10 10:07:13,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed62a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:07:13, skipping insertion in model container [2018-11-10 10:07:13,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:07:13" (3/3) ... [2018-11-10 10:07:13,693 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-11-10 10:07:13,699 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:07:13,704 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:07:13,714 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:07:13,735 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:07:13,735 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:07:13,736 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:07:13,736 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:07:13,736 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:07:13,736 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:07:13,736 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:07:13,736 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:07:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-11-10 10:07:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 10:07:13,753 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:13,754 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:13,756 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:13,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:13,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1652045665, now seen corresponding path program 1 times [2018-11-10 10:07:13,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:07:13,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:07:13,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:13,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:07:13,795 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:07:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:13,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:13,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:07:13,870 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:07:13,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:07:13,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:07:13,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:07:13,885 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-11-10 10:07:13,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:13,907 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-11-10 10:07:13,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:07:13,908 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-10 10:07:13,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:13,915 INFO L225 Difference]: With dead ends: 156 [2018-11-10 10:07:13,915 INFO L226 Difference]: Without dead ends: 78 [2018-11-10 10:07:13,917 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:07:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-10 10:07:13,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-10 10:07:13,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-10 10:07:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2018-11-10 10:07:13,946 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 17 [2018-11-10 10:07:13,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:13,946 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2018-11-10 10:07:13,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:07:13,946 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2018-11-10 10:07:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 10:07:13,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:13,947 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:13,947 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:13,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:13,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1345934210, now seen corresponding path program 1 times [2018-11-10 10:07:13,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:07:13,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:07:13,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:13,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:07:13,949 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:07:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:07:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:07:14,023 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:07:14,041 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,042 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,042 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,042 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,042 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,042 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,043 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,043 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,043 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,043 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,044 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,044 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,044 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,044 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,044 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:07:14,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:07:14,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:07:14 BoogieIcfgContainer [2018-11-10 10:07:14,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:07:14,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:07:14,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:07:14,066 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:07:14,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:07:13" (3/4) ... [2018-11-10 10:07:14,069 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:07:14,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:07:14,070 INFO L168 Benchmark]: Toolchain (without parser) took 1141.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -96.7 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:14,071 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:07:14,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 938.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:14,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:14,072 INFO L168 Benchmark]: Boogie Preprocessor took 37.12 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:14,072 INFO L168 Benchmark]: RCFGBuilder took 430.45 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: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:14,073 INFO L168 Benchmark]: TraceAbstraction took 376.54 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:14,073 INFO L168 Benchmark]: Witness Printer took 3.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:07:14,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 213.69 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 938.7 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 76.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.12 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 430.45 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: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 376.54 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450963, \old(one_asin)=6442450951, \old(one_sqrt)=6442450948, \old(pio2_hi_asin)=6442450950, \old(pio2_lo_asin)=6442450958, \old(pio4_hi_asin)=6442450952, \old(pS0_asin)=6442450957, \old(pS1_asin)=6442450953, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450956, \old(pS4_asin)=6442450961, \old(pS5_asin)=6442450954, \old(qS1_asin)=6442450965, \old(qS2_asin)=6442450962, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450959, \old(tiny_sqrt)=6442450960, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] CALL, EXPR __ieee754_asinf(x) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] CALL ieee_float_shape_type gf_u; [L121] RET ieee_float_shape_type gf_u; [L122] CALL gf_u.value = (x) [L122] RET gf_u.value = (x) [L123] CALL, EXPR gf_u.word [L123] RET, EXPR gf_u.word [L123] (hx) = gf_u.word [L123] RET (hx) = gf_u.word [L124] COND FALSE !(0) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450964, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450964, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450964, tiny_sqrt=1/1000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 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=82occurred 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, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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 0.1.23-1dbac8b [2018-11-10 10:07:15,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:07:15,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:07:15,490 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:07:15,490 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:07:15,491 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:07:15,491 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:07:15,493 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:07:15,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:07:15,494 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:07:15,495 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:07:15,495 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:07:15,496 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:07:15,496 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:07:15,497 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:07:15,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:07:15,498 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:07:15,500 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:07:15,501 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:07:15,502 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:07:15,503 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:07:15,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:07:15,505 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:07:15,505 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:07:15,505 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:07:15,506 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:07:15,507 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:07:15,507 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:07:15,508 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:07:15,508 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:07:15,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:07:15,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:07:15,509 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:07:15,509 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:07:15,510 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:07:15,510 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:07:15,511 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 10:07:15,520 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:07:15,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:07:15,521 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:07:15,521 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:07:15,522 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:07:15,522 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:07:15,522 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:07:15,522 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:07:15,522 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:07:15,522 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:07:15,523 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:07:15,524 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:07:15,524 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:07:15,524 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:07:15,524 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:07:15,524 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:07:15,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:07:15,524 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:07:15,524 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:07:15,524 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:07:15,525 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 10:07:15,525 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:07:15,525 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:07:15,525 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:07:15,525 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_c974f849-3c91-4e42-a295-fa61134ee0f7/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-11-10 10:07:15,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:07:15,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:07:15,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:07:15,567 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:07:15,567 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:07:15,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-10 10:07:15,602 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data/783558f32/e372dc4c56814fc187b8b049b9a8ed21/FLAG10c45c29a [2018-11-10 10:07:15,910 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:07:15,911 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-11-10 10:07:15,915 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data/783558f32/e372dc4c56814fc187b8b049b9a8ed21/FLAG10c45c29a [2018-11-10 10:07:15,923 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/data/783558f32/e372dc4c56814fc187b8b049b9a8ed21 [2018-11-10 10:07:15,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:07:15,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:07:15,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:07:15,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:07:15,930 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:07:15,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:07:15" (1/1) ... [2018-11-10 10:07:15,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de11074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:15, skipping insertion in model container [2018-11-10 10:07:15,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:07:15" (1/1) ... [2018-11-10 10:07:15,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:07:15,958 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:07:16,112 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:07:16,117 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:07:16,153 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:07:16,174 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:07:16,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16 WrapperNode [2018-11-10 10:07:16,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:07:16,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:07:16,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:07:16,176 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:07:16,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:07:16,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:07:16,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:07:16,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:07:16,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... [2018-11-10 10:07:16,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:07:16,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:07:16,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:07:16,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:07:16,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:07:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:07:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:07:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-10 10:07:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-10 10:07:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:07:16,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:07:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 10:07:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 10:07:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:07:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:07:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 10:07:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 10:07:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 10:07:16,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 10:07:16,554 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:07:23,451 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:07:23,477 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:07:25,603 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:07:25,634 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:07:26,178 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:07:26,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:07:26 BoogieIcfgContainer [2018-11-10 10:07:26,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:07:26,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:07:26,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:07:26,181 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:07:26,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:07:15" (1/3) ... [2018-11-10 10:07:26,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b968fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:07:26, skipping insertion in model container [2018-11-10 10:07:26,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:07:16" (2/3) ... [2018-11-10 10:07:26,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b968fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:07:26, skipping insertion in model container [2018-11-10 10:07:26,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:07:26" (3/3) ... [2018-11-10 10:07:26,184 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-11-10 10:07:26,190 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:07:26,195 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:07:26,203 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:07:26,219 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:07:26,220 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:07:26,220 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:07:26,220 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:07:26,220 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:07:26,220 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:07:26,220 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:07:26,220 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:07:26,220 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:07:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-11-10 10:07:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 10:07:26,234 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:26,235 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:26,236 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:26,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1652045665, now seen corresponding path program 1 times [2018-11-10 10:07:26,242 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:07:26,242 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 10:07:26,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:26,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:07:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:26,446 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:07:26,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:26,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:07:26,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:07:26,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:07:26,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:07:26,468 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-11-10 10:07:26,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:26,489 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-11-10 10:07:26,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:07:26,490 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-10 10:07:26,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:26,496 INFO L225 Difference]: With dead ends: 156 [2018-11-10 10:07:26,496 INFO L226 Difference]: Without dead ends: 78 [2018-11-10 10:07:26,499 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:07:26,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-11-10 10:07:26,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-11-10 10:07:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-10 10:07:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2018-11-10 10:07:26,526 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 17 [2018-11-10 10:07:26,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:26,527 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2018-11-10 10:07:26,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:07:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2018-11-10 10:07:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 10:07:26,528 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:26,528 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:26,528 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:26,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:26,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1345934210, now seen corresponding path program 1 times [2018-11-10 10:07:26,529 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:07:26,529 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 10:07:26,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:26,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:07:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:26,799 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:07:26,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:26,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:07:26,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:07:26,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:07:26,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:07:26,809 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand 7 states. [2018-11-10 10:07:33,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:33,341 INFO L93 Difference]: Finished difference Result 95 states and 113 transitions. [2018-11-10 10:07:33,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:07:33,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-10 10:07:33,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:33,345 INFO L225 Difference]: With dead ends: 95 [2018-11-10 10:07:33,345 INFO L226 Difference]: Without dead ends: 80 [2018-11-10 10:07:33,345 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:07:33,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-10 10:07:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2018-11-10 10:07:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-10 10:07:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 95 transitions. [2018-11-10 10:07:33,352 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 95 transitions. Word has length 18 [2018-11-10 10:07:33,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:33,352 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 95 transitions. [2018-11-10 10:07:33,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:07:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-11-10 10:07:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 10:07:33,353 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:33,353 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:33,353 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:33,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:33,353 INFO L82 PathProgramCache]: Analyzing trace with hash -2101548931, now seen corresponding path program 1 times [2018-11-10 10:07:33,354 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:07:33,354 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-10 10:07:33,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:33,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:07:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:33,637 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:07:33,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:33,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:07:33,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:07:33,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:07:33,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:07:33,647 INFO L87 Difference]: Start difference. First operand 78 states and 95 transitions. Second operand 7 states. [2018-11-10 10:07:38,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:38,971 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2018-11-10 10:07:38,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:07:38,972 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-10 10:07:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:38,973 INFO L225 Difference]: With dead ends: 95 [2018-11-10 10:07:38,973 INFO L226 Difference]: Without dead ends: 80 [2018-11-10 10:07:38,974 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:07:38,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-10 10:07:38,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2018-11-10 10:07:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-10 10:07:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 94 transitions. [2018-11-10 10:07:38,981 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 94 transitions. Word has length 19 [2018-11-10 10:07:38,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:38,981 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 94 transitions. [2018-11-10 10:07:38,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:07:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2018-11-10 10:07:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:07:38,982 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:38,982 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:38,983 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:38,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:38,983 INFO L82 PathProgramCache]: Analyzing trace with hash 670219783, now seen corresponding path program 1 times [2018-11-10 10:07:38,983 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:07:38,983 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 10:07:38,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:39,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:07:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:40,034 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:07:40,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:40,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:07:40,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:07:40,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:07:40,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:07:40,052 INFO L87 Difference]: Start difference. First operand 78 states and 94 transitions. Second operand 7 states. [2018-11-10 10:07:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:45,153 INFO L93 Difference]: Finished difference Result 109 states and 130 transitions. [2018-11-10 10:07:45,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:07:45,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-10 10:07:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:45,155 INFO L225 Difference]: With dead ends: 109 [2018-11-10 10:07:45,155 INFO L226 Difference]: Without dead ends: 86 [2018-11-10 10:07:45,156 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:07:45,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-10 10:07:45,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2018-11-10 10:07:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-10 10:07:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 100 transitions. [2018-11-10 10:07:45,168 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 100 transitions. Word has length 21 [2018-11-10 10:07:45,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:45,168 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 100 transitions. [2018-11-10 10:07:45,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:07:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-11-10 10:07:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 10:07:45,171 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:45,171 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:45,171 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:45,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:45,171 INFO L82 PathProgramCache]: Analyzing trace with hash -603527927, now seen corresponding path program 1 times [2018-11-10 10:07:45,172 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:07:45,172 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 10:07:45,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:45,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:07:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:45,298 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:07:45,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:45,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:07:45,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:07:45,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:07:45,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:07:45,306 INFO L87 Difference]: Start difference. First operand 83 states and 100 transitions. Second operand 7 states. [2018-11-10 10:07:45,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:45,615 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-11-10 10:07:45,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:07:45,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-10 10:07:45,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:45,617 INFO L225 Difference]: With dead ends: 90 [2018-11-10 10:07:45,617 INFO L226 Difference]: Without dead ends: 87 [2018-11-10 10:07:45,617 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:07:45,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-10 10:07:45,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-10 10:07:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-10 10:07:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 104 transitions. [2018-11-10 10:07:45,624 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 104 transitions. Word has length 22 [2018-11-10 10:07:45,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:45,624 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 104 transitions. [2018-11-10 10:07:45,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:07:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-11-10 10:07:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 10:07:45,625 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:45,625 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:45,626 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:45,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:45,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1569377977, now seen corresponding path program 1 times [2018-11-10 10:07:45,626 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:07:45,626 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-10 10:07:45,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:45,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:07:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:45,854 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:07:45,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:45,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-10 10:07:45,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 10:07:45,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 10:07:45,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-10 10:07:45,863 INFO L87 Difference]: Start difference. First operand 87 states and 104 transitions. Second operand 12 states. [2018-11-10 10:07:46,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:46,494 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2018-11-10 10:07:46,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 10:07:46,494 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-11-10 10:07:46,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:46,495 INFO L225 Difference]: With dead ends: 92 [2018-11-10 10:07:46,495 INFO L226 Difference]: Without dead ends: 83 [2018-11-10 10:07:46,496 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-10 10:07:46,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-10 10:07:46,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-11-10 10:07:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-10 10:07:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2018-11-10 10:07:46,503 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 30 [2018-11-10 10:07:46,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:46,503 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2018-11-10 10:07:46,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 10:07:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-11-10 10:07:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 10:07:46,504 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:46,504 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:46,504 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:46,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:46,504 INFO L82 PathProgramCache]: Analyzing trace with hash -817268331, now seen corresponding path program 1 times [2018-11-10 10:07:46,505 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:07:46,505 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/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 [2018-11-10 10:07:46,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:47,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:07:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:47,714 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:07:47,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:47,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:07:47,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:07:47,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:07:47,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:07:47,734 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand 7 states. [2018-11-10 10:07:50,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:50,219 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2018-11-10 10:07:50,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:07:50,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-11-10 10:07:50,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:50,220 INFO L225 Difference]: With dead ends: 102 [2018-11-10 10:07:50,220 INFO L226 Difference]: Without dead ends: 81 [2018-11-10 10:07:50,220 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:07:50,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-10 10:07:50,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-11-10 10:07:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-10 10:07:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2018-11-10 10:07:50,226 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 41 [2018-11-10 10:07:50,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:50,226 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2018-11-10 10:07:50,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:07:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2018-11-10 10:07:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 10:07:50,227 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:07:50,227 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:07:50,228 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:07:50,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:07:50,228 INFO L82 PathProgramCache]: Analyzing trace with hash -846541156, now seen corresponding path program 1 times [2018-11-10 10:07:50,228 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:07:50,228 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/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 [2018-11-10 10:07:50,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:07:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:07:51,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:07:52,129 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-10 10:07:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:07:52,494 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:07:52,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:07:52,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:07:52,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:07:52,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:07:52,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:07:52,522 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand 6 states. [2018-11-10 10:07:53,655 WARN L179 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 10:07:56,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:07:56,318 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2018-11-10 10:07:56,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:07:56,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-11-10 10:07:56,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:07:56,322 INFO L225 Difference]: With dead ends: 78 [2018-11-10 10:07:56,322 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:07:56,323 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:07:56,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:07:56,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:07:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:07:56,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:07:56,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-11-10 10:07:56,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:07:56,324 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:07:56,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:07:56,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:07:56,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:07:56,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:07:56,915 WARN L179 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-11-10 10:07:57,433 WARN L179 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-11-10 10:07:57,902 WARN L179 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-11-10 10:07:57,928 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:07:57,928 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:07:57,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:07:57,929 INFO L425 ceAbstractionStarter]: For program point L99-2(lines 92 105) no Hoare annotation was computed. [2018-11-10 10:07:57,929 INFO L425 ceAbstractionStarter]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2018-11-10 10:07:57,929 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-11-10 10:07:57,929 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-11-10 10:07:57,929 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-11-10 10:07:57,929 INFO L428 ceAbstractionStarter]: At program point L94-3(lines 94 98) the Hoare annotation is: true [2018-11-10 10:07:57,929 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-11-10 10:07:57,929 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-10 10:07:57,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:07:57,929 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_asin~0) (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) [2018-11-10 10:07:57,930 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:07:57,930 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:07:57,930 INFO L425 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-11-10 10:07:57,930 INFO L425 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-11-10 10:07:57,930 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-11-10 10:07:57,930 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-11-10 10:07:57,930 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-11-10 10:07:57,930 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-11-10 10:07:57,930 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-10 10:07:57,931 INFO L425 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-11-10 10:07:57,931 INFO L421 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short21|) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-11-10 10:07:57,931 INFO L425 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-11-10 10:07:57,931 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (= (_ +zero 8 24) main_~x~0)) [2018-11-10 10:07:57,931 INFO L421 ceAbstractionStarter]: At program point L163-3(lines 163 167) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-11-10 10:07:57,931 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-11-10 10:07:57,931 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-11-10 10:07:57,931 INFO L425 ceAbstractionStarter]: For program point L168-2(lines 160 178) no Hoare annotation was computed. [2018-11-10 10:07:57,932 INFO L425 ceAbstractionStarter]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2018-11-10 10:07:57,932 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-11-10 10:07:57,932 INFO L421 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-11-10 10:07:57,932 INFO L421 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-11-10 10:07:57,932 INFO L425 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-11-10 10:07:57,932 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-10 10:07:57,932 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-11-10 10:07:57,932 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-11-10 10:07:57,933 INFO L425 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-11-10 10:07:57,933 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-11-10 10:07:57,933 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (or (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-11-10 10:07:57,933 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-11-10 10:07:57,933 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-11-10 10:07:57,933 INFO L425 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-11-10 10:07:57,933 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-11-10 10:07:57,933 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-11-10 10:07:57,933 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-11-10 10:07:57,933 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-11-10 10:07:57,934 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-11-10 10:07:57,934 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-11-10 10:07:57,934 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-11-10 10:07:57,934 INFO L421 ceAbstractionStarter]: At program point L15-3(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-10 10:07:57,934 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-11-10 10:07:57,934 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-11-10 10:07:57,934 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-11-10 10:07:57,934 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-11-10 10:07:57,934 INFO L425 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-11-10 10:07:57,934 INFO L428 ceAbstractionStarter]: At program point L31-3(lines 31 35) the Hoare annotation is: true [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L31-4(lines 31 35) no Hoare annotation was computed. [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-10 10:07:57,935 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 49) no Hoare annotation was computed. [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L48-3(lines 48 49) no Hoare annotation was computed. [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-11-10 10:07:57,935 INFO L428 ceAbstractionStarter]: At program point L48-4(lines 48 49) the Hoare annotation is: true [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L48-5(lines 48 49) no Hoare annotation was computed. [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-11-10 10:07:57,935 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-11-10 10:07:57,935 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 62 71) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L428 ceAbstractionStarter]: At program point L62-3(lines 62 71) the Hoare annotation is: true [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point L62-4(lines 26 91) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-11-10 10:07:57,936 INFO L425 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-11-10 10:07:57,937 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-11-10 10:07:57,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,947 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,947 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,947 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,948 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,950 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,951 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,951 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,951 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,951 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:57,952 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,952 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,953 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,953 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,954 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,954 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,954 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,955 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,955 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,955 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,956 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,956 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:57,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:07:57 BoogieIcfgContainer [2018-11-10 10:07:57,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:07:57,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:07:57,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:07:57,959 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:07:57,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:07:26" (3/4) ... [2018-11-10 10:07:57,962 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:07:57,966 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:07:57,966 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-10 10:07:57,966 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:07:57,966 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-10 10:07:57,966 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-10 10:07:57,967 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-10 10:07:57,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2018-11-10 10:07:57,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2018-11-10 10:07:57,975 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 10:07:57,975 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:07:58,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 10:07:58,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) [2018-11-10 10:07:58,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)))) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) [2018-11-10 10:07:58,038 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c974f849-3c91-4e42-a295-fa61134ee0f7/bin-2019/utaipan/witness.graphml [2018-11-10 10:07:58,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:07:58,039 INFO L168 Benchmark]: Toolchain (without parser) took 42112.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -117.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:58,040 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:07:58,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.25 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:58,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.38 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:58,040 INFO L168 Benchmark]: Boogie Preprocessor took 38.80 ms. Allocated memory is still 1.0 GB. Free memory was 929.3 MB in the beginning and 924.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:58,040 INFO L168 Benchmark]: RCFGBuilder took 9920.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 924.0 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:58,041 INFO L168 Benchmark]: TraceAbstraction took 31778.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.3 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:58,041 INFO L168 Benchmark]: Witness Printer took 79.86 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:07:58,045 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.25 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 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 43.38 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.80 ms. Allocated memory is still 1.0 GB. Free memory was 929.3 MB in the beginning and 924.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9920.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 924.0 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31778.99 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.3 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. * Witness Printer took 79.86 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-11-10 10:07:58,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,050 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,050 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-10 10:07:58,052 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,052 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)))) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) - InvariantResult [Line: 120]: Loop Invariant [2018-11-10 10:07:58,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,053 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:07:58,054 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. SAFE Result, 31.7s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 24.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 671 SDtfs, 425 SDslu, 2784 SDs, 0 SdLazy, 397 SolverSat, 56 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 21.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 161 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=5, 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, 8 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 284 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 26 QuantifiedInterpolants, 48120 SizeOfPredicates, 54 NumberOfNonLiveVariables, 1175 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...