./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/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 5fe31b16a9cb808afe0897c04a27b4a4516ff173 ............................................................................................................................................................................................................................................................................................................................................... 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_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/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 5fe31b16a9cb808afe0897c04a27b4a4516ff173 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:21:36,292 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:21:36,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:21:36,300 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:21:36,300 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:21:36,301 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:21:36,301 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:21:36,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:21:36,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:21:36,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:21:36,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:21:36,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:21:36,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:21:36,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:21:36,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:21:36,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:21:36,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:21:36,308 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:21:36,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:21:36,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:21:36,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:21:36,310 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:21:36,311 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:21:36,311 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:21:36,312 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:21:36,312 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:21:36,312 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:21:36,313 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:21:36,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:21:36,314 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:21:36,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:21:36,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:21:36,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:21:36,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:21:36,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:21:36,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:21:36,315 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 04:21:36,322 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:21:36,322 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:21:36,323 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:21:36,323 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:21:36,323 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:21:36,323 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:21:36,324 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:21:36,324 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 04:21:36,324 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:21:36,324 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:21:36,324 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 04:21:36,324 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 04:21:36,324 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:21:36,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:21:36,325 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:21:36,325 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 04:21:36,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:21:36,326 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:21:36,326 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:21:36,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:21:36,326 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:21:36,326 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:21:36,326 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:21:36,326 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:21:36,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:21:36,327 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:21:36,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:21:36,327 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:21:36,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:21:36,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:21:36,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:21:36,328 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:21:36,328 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 04:21:36,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:21:36,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 04:21:36,328 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 04:21:36,328 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_59f3a381-d109-40e2-a028-b3f8babeb6e6/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 -> 5fe31b16a9cb808afe0897c04a27b4a4516ff173 [2018-12-03 04:21:36,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:21:36,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:21:36,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:21:36,360 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:21:36,360 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:21:36,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-12-03 04:21:36,394 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data/01ca75d10/70884fba40964e2895c9db1b57b7e38a/FLAGf0adf9859 [2018-12-03 04:21:36,786 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:21:36,787 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-12-03 04:21:36,791 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data/01ca75d10/70884fba40964e2895c9db1b57b7e38a/FLAGf0adf9859 [2018-12-03 04:21:36,799 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data/01ca75d10/70884fba40964e2895c9db1b57b7e38a [2018-12-03 04:21:36,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:21:36,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:21:36,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:21:36,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:21:36,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:21:36,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:21:36" (1/1) ... [2018-12-03 04:21:36,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e1e261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:36, skipping insertion in model container [2018-12-03 04:21:36,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:21:36" (1/1) ... [2018-12-03 04:21:36,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:21:36,829 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:21:36,944 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:21:36,947 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:21:36,974 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:21:37,020 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:21:37,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37 WrapperNode [2018-12-03 04:21:37,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:21:37,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:21:37,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:21:37,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:21:37,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:21:37,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:21:37,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:21:37,046 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:21:37,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... [2018-12-03 04:21:37,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:21:37,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:21:37,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:21:37,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:21:37,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:21:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:21:37,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:21:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-03 04:21:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 04:21:37,110 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-03 04:21:37,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-03 04:21:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:21:37,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:21:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-03 04:21:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 04:21:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:21:37,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:21:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 04:21:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-03 04:21:37,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-03 04:21:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 04:21:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-03 04:21:37,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-03 04:21:37,405 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:21:37,405 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-03 04:21:37,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:37 BoogieIcfgContainer [2018-12-03 04:21:37,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:21:37,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:21:37,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:21:37,408 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:21:37,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:21:36" (1/3) ... [2018-12-03 04:21:37,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1772a592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:21:37, skipping insertion in model container [2018-12-03 04:21:37,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:37" (2/3) ... [2018-12-03 04:21:37,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1772a592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:21:37, skipping insertion in model container [2018-12-03 04:21:37,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:37" (3/3) ... [2018-12-03 04:21:37,410 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d_true-unreach-call.c [2018-12-03 04:21:37,416 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:21:37,421 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:21:37,430 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:21:37,448 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:21:37,448 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:21:37,448 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:21:37,448 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:21:37,448 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:21:37,448 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:21:37,448 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:21:37,449 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:21:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-12-03 04:21:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 04:21:37,464 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:21:37,464 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:21:37,466 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:21:37,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:21:37,469 INFO L82 PathProgramCache]: Analyzing trace with hash 872759118, now seen corresponding path program 1 times [2018-12-03 04:21:37,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:21:37,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:21:37,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:21:37,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:21:37,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:21:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:21:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:21:37,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:21:37,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 04:21:37,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:21:37,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 04:21:37,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 04:21:37,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 04:21:37,559 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 2 states. [2018-12-03 04:21:37,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:21:37,578 INFO L93 Difference]: Finished difference Result 196 states and 313 transitions. [2018-12-03 04:21:37,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 04:21:37,579 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-12-03 04:21:37,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:21:37,585 INFO L225 Difference]: With dead ends: 196 [2018-12-03 04:21:37,585 INFO L226 Difference]: Without dead ends: 98 [2018-12-03 04:21:37,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 04:21:37,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-12-03 04:21:37,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-12-03 04:21:37,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-03 04:21:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2018-12-03 04:21:37,614 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 28 [2018-12-03 04:21:37,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:21:37,615 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2018-12-03 04:21:37,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 04:21:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2018-12-03 04:21:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-03 04:21:37,616 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:21:37,616 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:21:37,616 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:21:37,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:21:37,616 INFO L82 PathProgramCache]: Analyzing trace with hash -863403993, now seen corresponding path program 1 times [2018-12-03 04:21:37,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:21:37,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:21:37,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:21:37,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:21:37,617 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:21:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 04:21:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 04:21:37,699 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 04:21:37,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:21:37 BoogieIcfgContainer [2018-12-03 04:21:37,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:21:37,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:21:37,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:21:37,719 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:21:37,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:37" (3/4) ... [2018-12-03 04:21:37,721 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 04:21:37,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:21:37,722 INFO L168 Benchmark]: Toolchain (without parser) took 920.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -66.3 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:21:37,723 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:21:37,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2018-12-03 04:21:37,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 04:21:37,723 INFO L168 Benchmark]: Boogie Preprocessor took 33.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 04:21:37,724 INFO L168 Benchmark]: RCFGBuilder took 326.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:21:37,724 INFO L168 Benchmark]: TraceAbstraction took 312.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-03 04:21:37,724 INFO L168 Benchmark]: Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 04:21:37,726 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 326.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 312.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 218. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418249, \old(tiny_sqrt)=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L229] float x = __VERIFIER_nondet_float(); [L230] float y = -1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247] [L231] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418247, \old(y)=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L86] ieee_float_shape_type gf_u; [L87] gf_u.value = (x) [L88] EXPR gf_u.word [L88] (ha) = gf_u.word [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L92] ieee_float_shape_type gf_u; [L93] gf_u.value = (y) [L94] EXPR gf_u.word [L94] (hb) = gf_u.word [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418247, b=10737418248, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418248, b=10737418247, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L108] ieee_float_shape_type sf_u; [L109] sf_u.word = (ha) [L110] EXPR sf_u.value [L110] (a) = sf_u.value [L113] ieee_float_shape_type sf_u; [L114] sf_u.word = (hb) [L115] EXPR sf_u.value [L115] (b) = sf_u.value [L117] COND TRUE (ha - hb) > 0xf000000L [L118] return a + b; VAL [\old(x)=10737418247, \old(y)=10737418248, a=10737418263, b=10737418264, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L231] RET, EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L231] float res = __ieee754_hypotf(x, y); [L233] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L212] __int32_t ix; VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L214] ieee_float_shape_type gf_u; [L215] gf_u.value = (x) [L216] EXPR gf_u.word [L216] (ix) = gf_u.word [L218] ix &= 0x7fffffff [L219] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418243, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L233] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] [L233] COND TRUE !isinf_float(res) [L234] __VERIFIER_error() VAL [one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418247, y=10737418248] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 102 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 124 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:21:39,055 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:21:39,056 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:21:39,062 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:21:39,062 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:21:39,062 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:21:39,063 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:21:39,064 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:21:39,064 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:21:39,065 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:21:39,065 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:21:39,065 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:21:39,066 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:21:39,066 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:21:39,067 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:21:39,067 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:21:39,067 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:21:39,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:21:39,069 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:21:39,070 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:21:39,070 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:21:39,071 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:21:39,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:21:39,072 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:21:39,072 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:21:39,073 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:21:39,073 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:21:39,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:21:39,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:21:39,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:21:39,074 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:21:39,075 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:21:39,075 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:21:39,075 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:21:39,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:21:39,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:21:39,076 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 04:21:39,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:21:39,083 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:21:39,084 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:21:39,084 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:21:39,084 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:21:39,084 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:21:39,084 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:21:39,084 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:21:39,084 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:21:39,084 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:21:39,085 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:21:39,085 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:21:39,085 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:21:39,085 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:21:39,085 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:21:39,085 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:21:39,085 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:21:39,085 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 04:21:39,085 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 04:21:39,086 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:21:39,086 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:21:39,086 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 04:21:39,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:21:39,086 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:21:39,086 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:21:39,086 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:21:39,086 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:21:39,086 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:21:39,086 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:21:39,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:21:39,087 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:21:39,087 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 04:21:39,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:21:39,087 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 04:21:39,087 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 04:21:39,087 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_59f3a381-d109-40e2-a028-b3f8babeb6e6/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 -> 5fe31b16a9cb808afe0897c04a27b4a4516ff173 [2018-12-03 04:21:39,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:21:39,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:21:39,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:21:39,119 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:21:39,119 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:21:39,120 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-12-03 04:21:39,165 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data/c8de9d477/a9cfe25307704bab8c76f7d658ebe725/FLAG0ab6ba488 [2018-12-03 04:21:39,561 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:21:39,561 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/sv-benchmarks/c/float-newlib/float_req_bl_1270d_true-unreach-call.c [2018-12-03 04:21:39,567 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data/c8de9d477/a9cfe25307704bab8c76f7d658ebe725/FLAG0ab6ba488 [2018-12-03 04:21:39,575 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/data/c8de9d477/a9cfe25307704bab8c76f7d658ebe725 [2018-12-03 04:21:39,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:21:39,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:21:39,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:21:39,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:21:39,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:21:39,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39, skipping insertion in model container [2018-12-03 04:21:39,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:21:39,609 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:21:39,724 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:21:39,728 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:21:39,761 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:21:39,776 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:21:39,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39 WrapperNode [2018-12-03 04:21:39,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:21:39,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:21:39,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:21:39,777 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:21:39,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:21:39,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:21:39,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:21:39,824 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:21:39,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... [2018-12-03 04:21:39,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:21:39,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:21:39,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:21:39,857 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:21:39,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:21:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:21:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:21:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-03 04:21:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-03 04:21:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-03 04:21:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:21:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:21:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 04:21:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-03 04:21:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:21:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:21:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-03 04:21:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-03 04:21:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-03 04:21:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-03 04:21:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 04:21:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-03 04:21:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-03 04:21:39,980 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:21:40,132 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:21:40,155 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:21:40,423 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 04:21:41,232 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:21:41,232 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-03 04:21:41,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:41 BoogieIcfgContainer [2018-12-03 04:21:41,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:21:41,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:21:41,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:21:41,234 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:21:41,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:21:39" (1/3) ... [2018-12-03 04:21:41,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f05583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:21:41, skipping insertion in model container [2018-12-03 04:21:41,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:21:39" (2/3) ... [2018-12-03 04:21:41,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f05583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:21:41, skipping insertion in model container [2018-12-03 04:21:41,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:41" (3/3) ... [2018-12-03 04:21:41,236 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d_true-unreach-call.c [2018-12-03 04:21:41,241 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:21:41,246 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:21:41,258 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:21:41,275 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 04:21:41,276 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:21:41,276 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:21:41,276 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:21:41,276 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:21:41,276 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:21:41,276 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:21:41,276 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:21:41,276 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:21:41,286 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2018-12-03 04:21:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-03 04:21:41,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:21:41,291 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:21:41,292 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:21:41,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:21:41,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1684593163, now seen corresponding path program 1 times [2018-12-03 04:21:41,298 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:21:41,298 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-03 04:21:41,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:21:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:21:41,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:21:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:21:41,390 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:21:41,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:21:41,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 04:21:41,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 04:21:41,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 04:21:41,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 04:21:41,410 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2018-12-03 04:21:41,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:21:41,437 INFO L93 Difference]: Finished difference Result 194 states and 311 transitions. [2018-12-03 04:21:41,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 04:21:41,438 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-12-03 04:21:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:21:41,447 INFO L225 Difference]: With dead ends: 194 [2018-12-03 04:21:41,447 INFO L226 Difference]: Without dead ends: 97 [2018-12-03 04:21:41,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 04:21:41,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-03 04:21:41,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-03 04:21:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-03 04:21:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2018-12-03 04:21:41,479 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 27 [2018-12-03 04:21:41,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:21:41,479 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2018-12-03 04:21:41,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 04:21:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2018-12-03 04:21:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-03 04:21:41,480 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:21:41,481 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:21:41,481 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:21:41,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:21:41,481 INFO L82 PathProgramCache]: Analyzing trace with hash -592227502, now seen corresponding path program 1 times [2018-12-03 04:21:41,482 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:21:41,482 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-03 04:21:41,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:21:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:21:41,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:21:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:21:43,917 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:21:43,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:21:43,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-12-03 04:21:43,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-03 04:21:43,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-03 04:21:43,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-12-03 04:21:43,927 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand 17 states. [2018-12-03 04:21:50,942 WARN L180 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-12-03 04:22:36,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:22:36,143 INFO L93 Difference]: Finished difference Result 187 states and 232 transitions. [2018-12-03 04:22:36,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-03 04:22:36,182 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-12-03 04:22:36,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:22:36,185 INFO L225 Difference]: With dead ends: 187 [2018-12-03 04:22:36,186 INFO L226 Difference]: Without dead ends: 180 [2018-12-03 04:22:36,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2018-12-03 04:22:36,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-12-03 04:22:36,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 102. [2018-12-03 04:22:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-12-03 04:22:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2018-12-03 04:22:36,200 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 32 [2018-12-03 04:22:36,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:22:36,201 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2018-12-03 04:22:36,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-03 04:22:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2018-12-03 04:22:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-03 04:22:36,202 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:22:36,202 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:22:36,202 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:22:36,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:22:36,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1708595088, now seen corresponding path program 1 times [2018-12-03 04:22:36,203 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:22:36,203 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-03 04:22:36,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:22:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:22:36,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:22:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:22:36,598 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:22:36,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:22:36,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 04:22:36,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:22:36,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:22:36,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:22:36,611 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand 9 states. [2018-12-03 04:23:14,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:23:14,388 INFO L93 Difference]: Finished difference Result 197 states and 240 transitions. [2018-12-03 04:23:14,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 04:23:14,433 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-12-03 04:23:14,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:23:14,435 INFO L225 Difference]: With dead ends: 197 [2018-12-03 04:23:14,435 INFO L226 Difference]: Without dead ends: 173 [2018-12-03 04:23:14,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2018-12-03 04:23:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-12-03 04:23:14,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 112. [2018-12-03 04:23:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-03 04:23:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 136 transitions. [2018-12-03 04:23:14,448 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 136 transitions. Word has length 32 [2018-12-03 04:23:14,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:23:14,448 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 136 transitions. [2018-12-03 04:23:14,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:23:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2018-12-03 04:23:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-03 04:23:14,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:23:14,449 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:23:14,449 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:23:14,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:14,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1956568480, now seen corresponding path program 1 times [2018-12-03 04:23:14,449 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:23:14,449 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-03 04:23:14,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:23:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:23:14,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:23:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:23:14,605 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:23:14,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:23:14,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 04:23:14,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 04:23:14,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 04:23:14,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 04:23:14,614 INFO L87 Difference]: Start difference. First operand 112 states and 136 transitions. Second operand 8 states. [2018-12-03 04:23:50,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:23:50,792 INFO L93 Difference]: Finished difference Result 226 states and 271 transitions. [2018-12-03 04:23:50,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 04:23:50,838 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-12-03 04:23:50,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:23:50,839 INFO L225 Difference]: With dead ends: 226 [2018-12-03 04:23:50,839 INFO L226 Difference]: Without dead ends: 131 [2018-12-03 04:23:50,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-03 04:23:50,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-03 04:23:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 104. [2018-12-03 04:23:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-03 04:23:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2018-12-03 04:23:50,851 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 35 [2018-12-03 04:23:50,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:23:50,851 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2018-12-03 04:23:50,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 04:23:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2018-12-03 04:23:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-03 04:23:50,852 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:23:50,852 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:23:50,852 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:23:50,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:23:50,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1068264538, now seen corresponding path program 1 times [2018-12-03 04:23:50,853 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:23:50,853 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-03 04:23:50,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:23:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:23:50,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:23:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:23:51,131 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:23:51,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:23:51,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 04:23:51,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:23:51,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:23:51,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:23:51,140 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand 9 states. [2018-12-03 04:24:07,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:07,711 INFO L93 Difference]: Finished difference Result 151 states and 179 transitions. [2018-12-03 04:24:07,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 04:24:07,758 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-12-03 04:24:07,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:07,759 INFO L225 Difference]: With dead ends: 151 [2018-12-03 04:24:07,759 INFO L226 Difference]: Without dead ends: 137 [2018-12-03 04:24:07,759 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-12-03 04:24:07,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-03 04:24:07,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 107. [2018-12-03 04:24:07,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-03 04:24:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 130 transitions. [2018-12-03 04:24:07,771 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 130 transitions. Word has length 37 [2018-12-03 04:24:07,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:07,771 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 130 transitions. [2018-12-03 04:24:07,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:24:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2018-12-03 04:24:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-03 04:24:07,772 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:07,772 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:07,772 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:07,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:07,772 INFO L82 PathProgramCache]: Analyzing trace with hash 57147288, now seen corresponding path program 1 times [2018-12-03 04:24:07,772 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:24:07,773 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-03 04:24:07,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:07,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:24:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:24:08,275 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:24:08,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:24:08,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-12-03 04:24:08,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-03 04:24:08,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-03 04:24:08,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-12-03 04:24:08,283 INFO L87 Difference]: Start difference. First operand 107 states and 130 transitions. Second operand 16 states. [2018-12-03 04:24:28,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:28,109 INFO L93 Difference]: Finished difference Result 141 states and 168 transitions. [2018-12-03 04:24:28,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-03 04:24:28,110 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-12-03 04:24:28,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:28,111 INFO L225 Difference]: With dead ends: 141 [2018-12-03 04:24:28,111 INFO L226 Difference]: Without dead ends: 132 [2018-12-03 04:24:28,112 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=662, Unknown=0, NotChecked=0, Total=756 [2018-12-03 04:24:28,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-03 04:24:28,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 107. [2018-12-03 04:24:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-03 04:24:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2018-12-03 04:24:28,128 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 37 [2018-12-03 04:24:28,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:28,128 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2018-12-03 04:24:28,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-03 04:24:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2018-12-03 04:24:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-03 04:24:28,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:28,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:28,130 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:28,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:28,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1222716390, now seen corresponding path program 1 times [2018-12-03 04:24:28,130 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:24:28,130 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-03 04:24:28,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:28,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:24:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:24:28,288 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:24:28,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:24:28,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 04:24:28,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 04:24:28,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 04:24:28,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 04:24:28,297 INFO L87 Difference]: Start difference. First operand 107 states and 129 transitions. Second operand 8 states. [2018-12-03 04:24:59,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:24:59,466 INFO L93 Difference]: Finished difference Result 180 states and 212 transitions. [2018-12-03 04:24:59,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 04:24:59,510 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-12-03 04:24:59,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:24:59,511 INFO L225 Difference]: With dead ends: 180 [2018-12-03 04:24:59,511 INFO L226 Difference]: Without dead ends: 119 [2018-12-03 04:24:59,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-03 04:24:59,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-03 04:24:59,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 98. [2018-12-03 04:24:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-03 04:24:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 117 transitions. [2018-12-03 04:24:59,522 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 117 transitions. Word has length 37 [2018-12-03 04:24:59,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:24:59,522 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 117 transitions. [2018-12-03 04:24:59,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 04:24:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2018-12-03 04:24:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-03 04:24:59,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:24:59,523 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:24:59,523 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:24:59,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:24:59,523 INFO L82 PathProgramCache]: Analyzing trace with hash -737173796, now seen corresponding path program 1 times [2018-12-03 04:24:59,524 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:24:59,524 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-03 04:24:59,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:24:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:24:59,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:24:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:24:59,947 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:24:59,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:24:59,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-12-03 04:24:59,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 04:24:59,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 04:24:59,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-12-03 04:24:59,956 INFO L87 Difference]: Start difference. First operand 98 states and 117 transitions. Second operand 15 states. [2018-12-03 04:25:26,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:25:26,168 INFO L93 Difference]: Finished difference Result 126 states and 149 transitions. [2018-12-03 04:25:26,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 04:25:26,169 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-12-03 04:25:26,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:25:26,170 INFO L225 Difference]: With dead ends: 126 [2018-12-03 04:25:26,170 INFO L226 Difference]: Without dead ends: 116 [2018-12-03 04:25:26,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-12-03 04:25:26,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-03 04:25:26,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 95. [2018-12-03 04:25:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-03 04:25:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2018-12-03 04:25:26,183 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 37 [2018-12-03 04:25:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:25:26,184 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2018-12-03 04:25:26,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 04:25:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2018-12-03 04:25:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-03 04:25:26,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:25:26,184 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:25:26,185 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:25:26,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:25:26,185 INFO L82 PathProgramCache]: Analyzing trace with hash 184471245, now seen corresponding path program 1 times [2018-12-03 04:25:26,185 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:25:26,185 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-12-03 04:25:26,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:25:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:25:26,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:25:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:25:26,447 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:25:26,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:25:26,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 04:25:26,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:25:26,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:25:26,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:25:26,456 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand 9 states. [2018-12-03 04:25:49,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:25:49,938 INFO L93 Difference]: Finished difference Result 139 states and 161 transitions. [2018-12-03 04:25:49,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 04:25:49,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-12-03 04:25:49,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:25:49,983 INFO L225 Difference]: With dead ends: 139 [2018-12-03 04:25:49,983 INFO L226 Difference]: Without dead ends: 89 [2018-12-03 04:25:49,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-12-03 04:25:49,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-12-03 04:25:49,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-12-03 04:25:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-03 04:25:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 102 transitions. [2018-12-03 04:25:49,993 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 102 transitions. Word has length 40 [2018-12-03 04:25:49,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:25:49,993 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 102 transitions. [2018-12-03 04:25:49,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:25:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2018-12-03 04:25:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 04:25:49,994 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:25:49,994 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:25:49,994 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:25:49,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:25:49,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1867413867, now seen corresponding path program 1 times [2018-12-03 04:25:49,995 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:25:49,995 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-12-03 04:25:49,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:25:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:25:50,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:25:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:25:50,704 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:25:50,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:25:50,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 04:25:50,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 04:25:50,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 04:25:50,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:25:50,716 INFO L87 Difference]: Start difference. First operand 89 states and 102 transitions. Second operand 9 states. [2018-12-03 04:25:59,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:25:59,589 INFO L93 Difference]: Finished difference Result 89 states and 102 transitions. [2018-12-03 04:25:59,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 04:25:59,634 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2018-12-03 04:25:59,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:25:59,634 INFO L225 Difference]: With dead ends: 89 [2018-12-03 04:25:59,634 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 04:25:59,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-12-03 04:25:59,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 04:25:59,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 04:25:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 04:25:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 04:25:59,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2018-12-03 04:25:59,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:25:59,635 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 04:25:59,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 04:25:59,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 04:25:59,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 04:25:59,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 04:25:59,971 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 19 [2018-12-03 04:26:00,173 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2018-12-03 04:26:00,320 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2018-12-03 04:26:00,503 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 19 [2018-12-03 04:26:00,739 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 19 [2018-12-03 04:26:00,979 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 19 [2018-12-03 04:26:01,144 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 19 [2018-12-03 04:26:01,462 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2018-12-03 04:26:01,463 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 217) no Hoare annotation was computed. [2018-12-03 04:26:01,463 INFO L444 ceAbstractionStarter]: At program point L213-2(lines 213 217) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point L213-3(lines 213 217) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 211 220) the Hoare annotation is: true [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 211 220) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 211 220) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-03 04:26:01,464 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 222 238) the Hoare annotation is: true [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 222 238) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-12-03 04:26:01,464 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (and (= main_~y~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_25) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_25) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_25)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (bvsgt (bvadd (bvneg .cse0) .cse1) (_ bv251658240 32)) (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0))))) [2018-12-03 04:26:01,464 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 222 238) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L233-1(lines 233 236) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (= main_~y~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L444 ceAbstractionStarter]: At program point L176-2(lines 176 180) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 176 180) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L444 ceAbstractionStarter]: At program point L185-2(lines 185 189) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L185-3(lines 185 189) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L444 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-12-03 04:26:01,465 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 81 208) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L451 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 121 144) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 81 208) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L444 ceAbstractionStarter]: At program point L91-2(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29)))) [2018-12-03 04:26:01,466 INFO L448 ceAbstractionStarter]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2018-12-03 04:26:01,466 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 157 171) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L444 ceAbstractionStarter]: At program point L191-2(lines 191 195) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L444 ceAbstractionStarter]: At program point L200-2(lines 200 204) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34) (_ bv2155872256 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_34) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_34) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_34)) |__ieee754_hypotf_#in~y|)))) [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-03 04:26:01,467 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L451 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: true [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L451 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: true [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: true [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-03 04:26:01,468 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-12-03 04:26:01,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,476 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,476 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,477 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,477 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,477 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,477 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,477 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,477 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-12-03 04:26:01,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-12-03 04:26:01,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:26:01 BoogieIcfgContainer [2018-12-03 04:26:01,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:26:01,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:26:01,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:26:01,485 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:26:01,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:21:41" (3/4) ... [2018-12-03 04:26:01,487 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 04:26:01,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-03 04:26:01,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 04:26:01,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 04:26:01,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_hypotf [2018-12-03 04:26:01,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-03 04:26:01,496 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-12-03 04:26:01,496 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-03 04:26:01,496 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 04:26:01,496 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 04:26:01,511 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y [2018-12-03 04:26:01,512 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-03 04:26:01,512 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29)) [2018-12-03 04:26:01,522 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59f3a381-d109-40e2-a028-b3f8babeb6e6/bin-2019/utaipan/witness.graphml [2018-12-03 04:26:01,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:26:01,522 INFO L168 Benchmark]: Toolchain (without parser) took 261945.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -221.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-03 04:26:01,523 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:26:01,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.70 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 925.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-03 04:26:01,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -218.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-03 04:26:01,523 INFO L168 Benchmark]: Boogie Preprocessor took 32.35 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-03 04:26:01,523 INFO L168 Benchmark]: RCFGBuilder took 1375.68 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: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2018-12-03 04:26:01,524 INFO L168 Benchmark]: TraceAbstraction took 260251.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -79.9 MB). Peak memory consumption was 323.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:26:01,524 INFO L168 Benchmark]: Witness Printer took 37.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:26:01,525 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 198.70 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 925.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -218.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.35 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1375.68 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: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 260251.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -79.9 MB). Peak memory consumption was 323.9 MB. Max. memory is 11.5 GB. * Witness Printer took 37.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant [2018-12-03 04:26:01,528 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,528 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,528 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 134]: Loop Invariant [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,529 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 91]: Loop Invariant [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,530 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 185]: Loop Invariant [2018-12-03 04:26:01,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,531 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 161]: Loop Invariant [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,532 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: \old(y) == y - InvariantResult [Line: 149]: Loop Invariant [2018-12-03 04:26:01,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,533 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant [2018-12-03 04:26:01,534 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,534 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,534 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,534 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,534 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,534 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,534 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] [2018-12-03 04:26:01,534 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_34,QUANTIFIED] Derived loop invariant: \old(y) == y && (\exists v___ieee754_hypotf_~hb~0_34 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_34), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_34[31:31], v___ieee754_hypotf_~hb~0_34[30:23], v___ieee754_hypotf_~hb~0_34[22:0]) == \old(y)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 101 locations, 1 error locations. SAFE Result, 260.1s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 252.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1171 SDtfs, 1722 SDslu, 7255 SDs, 0 SdLazy, 2423 SolverSat, 133 SolverUnsat, 99 SolverUnknown, 0 SolverNotchecked, 242.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 263 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 113 PreInvPairs, 224 NumberOfFragments, 310 HoareAnnotationTreeSize, 113 FomulaSimplifications, 218337 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 983 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 361 ConstructedInterpolants, 148 QuantifiedInterpolants, 143764 SizeOfPredicates, 46 NumberOfNonLiveVariables, 1189 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...