./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_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_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 d29f12e66e15a9c752fce15327a254c30da4b28a ........................................................................................................................................................................................................................................................................................................................................................ 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_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 d29f12e66e15a9c752fce15327a254c30da4b28a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:09:16,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:09:16,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:09:16,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:09:16,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:09:16,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:09:16,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:09:16,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:09:16,655 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:09:16,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:09:16,656 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:09:16,656 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:09:16,657 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:09:16,657 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:09:16,658 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:09:16,658 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:09:16,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:09:16,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:09:16,660 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:09:16,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:09:16,661 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:09:16,662 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:09:16,663 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:09:16,663 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:09:16,663 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:09:16,664 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:09:16,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:09:16,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:09:16,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:09:16,665 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:09:16,665 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:09:16,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:09:16,666 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:09:16,666 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:09:16,666 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:09:16,667 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:09:16,667 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:09:16,674 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:09:16,674 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:09:16,674 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:09:16,674 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:09:16,675 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:09:16,675 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:09:16,675 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:09:16,675 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:09:16,675 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:09:16,675 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:09:16,675 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:09:16,675 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:09:16,675 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:09:16,676 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:09:16,676 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:09:16,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:09:16,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:09:16,677 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:09:16,678 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_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 -> d29f12e66e15a9c752fce15327a254c30da4b28a [2018-12-02 13:09:16,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:09:16,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:09:16,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:09:16,705 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:09:16,706 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:09:16,706 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-12-02 13:09:16,739 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data/46b7887f4/9809b499c49145b89cadd73176e1839b/FLAG58bd00034 [2018-12-02 13:09:17,183 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:09:17,183 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-12-02 13:09:17,187 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data/46b7887f4/9809b499c49145b89cadd73176e1839b/FLAG58bd00034 [2018-12-02 13:09:17,196 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data/46b7887f4/9809b499c49145b89cadd73176e1839b [2018-12-02 13:09:17,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:09:17,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:09:17,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:09:17,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:09:17,201 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:09:17,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccca87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17, skipping insertion in model container [2018-12-02 13:09:17,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:09:17,221 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:09:17,334 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:09:17,337 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:09:17,365 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:09:17,411 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:09:17,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17 WrapperNode [2018-12-02 13:09:17,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:09:17,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:09:17,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:09:17,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:09:17,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:09:17,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:09:17,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:09:17,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:09:17,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... [2018-12-02 13:09:17,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:09:17,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:09:17,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:09:17,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:09:17,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:09:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-02 13:09:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-02 13:09:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:09:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:09:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 13:09:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 13:09:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 13:09:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 13:09:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:09:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:09:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 13:09:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:09:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:09:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:09:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 13:09:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-02 13:09:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-02 13:09:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 13:09:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 13:09:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 13:09:17,828 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:09:17,828 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 13:09:17,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:17 BoogieIcfgContainer [2018-12-02 13:09:17,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:09:17,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:09:17,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:09:17,830 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:09:17,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:09:17" (1/3) ... [2018-12-02 13:09:17,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6eb130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:17, skipping insertion in model container [2018-12-02 13:09:17,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:17" (2/3) ... [2018-12-02 13:09:17,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6eb130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:17, skipping insertion in model container [2018-12-02 13:09:17,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:17" (3/3) ... [2018-12-02 13:09:17,832 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b_true-unreach-call.c [2018-12-02 13:09:17,839 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:09:17,845 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:09:17,853 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:09:17,871 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:09:17,871 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:09:17,871 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:09:17,871 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:09:17,871 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:09:17,871 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:09:17,871 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:09:17,871 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:09:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-12-02 13:09:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 13:09:17,887 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:09:17,887 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] [2018-12-02 13:09:17,888 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:09:17,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:09:17,891 INFO L82 PathProgramCache]: Analyzing trace with hash 860825893, now seen corresponding path program 1 times [2018-12-02 13:09:17,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:09:17,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:09:17,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:09:17,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:09:17,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:09:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:09:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:09:17,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:09:17,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 13:09:17,981 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:09:17,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 13:09:17,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 13:09:17,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:09:17,993 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-12-02 13:09:18,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:09:18,018 INFO L93 Difference]: Finished difference Result 210 states and 329 transitions. [2018-12-02 13:09:18,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 13:09:18,019 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-12-02 13:09:18,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:09:18,025 INFO L225 Difference]: With dead ends: 210 [2018-12-02 13:09:18,025 INFO L226 Difference]: Without dead ends: 104 [2018-12-02 13:09:18,027 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 [2018-12-02 13:09:18,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-02 13:09:18,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-02 13:09:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-02 13:09:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2018-12-02 13:09:18,056 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 34 [2018-12-02 13:09:18,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:09:18,057 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2018-12-02 13:09:18,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 13:09:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2018-12-02 13:09:18,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 13:09:18,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:09:18,058 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] [2018-12-02 13:09:18,058 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:09:18,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:09:18,059 INFO L82 PathProgramCache]: Analyzing trace with hash 68622012, now seen corresponding path program 1 times [2018-12-02 13:09:18,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:09:18,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:09:18,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:09:18,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:09:18,060 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:09:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:09:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:09:18,142 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 13:09:18,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:09:18 BoogieIcfgContainer [2018-12-02 13:09:18,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:09:18,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:09:18,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:09:18,163 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:09:18,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:17" (3/4) ... [2018-12-02 13:09:18,165 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 13:09:18,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:09:18,166 INFO L168 Benchmark]: Toolchain (without parser) took 967.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 961.4 MB in the beginning and 1.0 GB in the end (delta: -70.7 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:09:18,167 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:09:18,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:09:18,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:09:18,167 INFO L168 Benchmark]: Boogie Preprocessor took 29.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:09:18,168 INFO L168 Benchmark]: RCFGBuilder took 369.65 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: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:09:18,168 INFO L168 Benchmark]: TraceAbstraction took 333.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:09:18,168 INFO L168 Benchmark]: Witness Printer took 2.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:09:18,170 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 212.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 369.65 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: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 333.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 239]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 211, overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 96. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418247, \old(tiny_sqrt)=10737418255, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L232] float x = __VERIFIER_nondet_float(); [L233] float y = 0.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L235] CALL isfinite_float(x) VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L215] __int32_t ix; VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L217] ieee_float_shape_type gf_u; [L218] gf_u.value = (x) [L219] EXPR gf_u.word [L219] (ix) = gf_u.word [L221] ix &= 0x7fffffff [L222] return (((ix) < 0x7f800000L)); VAL [\old(x)=10737418244, \result=1, ix=2139095039, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L235] RET isfinite_float(x) VAL [isfinite_float(x)=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L235] COND TRUE isfinite_float(x) [L236] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418244, \old(y)=10737418260, 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)=10737418244, \old(y)=10737418260, a=10737418244, b=10737418260, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244, y=10737418260] [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)=10737418244, \old(y)=10737418260, a=10737418244, b=10737418260, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244, y=10737418260] [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)=10737418244, \old(y)=10737418260, a=10737418244, b=10737418260, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244, y=10737418260] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418244, \old(y)=10737418260, a=10737418260, b=10737418244, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244, y=10737418260] [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)=10737418244, \old(y)=10737418260, a=10737418254, b=10737418259, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244, y=10737418260] [L236] RET, EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418261, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244, y=10737418260] [L236] float res = __ieee754_hypotf(x, y); [L238] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418261, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L211] return x != x; VAL [\old(x)=10737418261, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418261] [L238] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=10737418261, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244, y=10737418260] [L238] COND TRUE !isnan_float(res) [L239] __VERIFIER_error() VAL [one_sqrt=1, res=10737418261, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244, y=10737418260] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 132 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=109occurred 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, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 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 [2018-12-02 13:09:19,538 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:09:19,539 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:09:19,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:09:19,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:09:19,546 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:09:19,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:09:19,548 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:09:19,549 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:09:19,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:09:19,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:09:19,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:09:19,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:09:19,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:09:19,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:09:19,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:09:19,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:09:19,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:09:19,555 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:09:19,556 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:09:19,557 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:09:19,557 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:09:19,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:09:19,559 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:09:19,559 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:09:19,559 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:09:19,560 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:09:19,560 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:09:19,561 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:09:19,561 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:09:19,561 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:09:19,562 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:09:19,562 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:09:19,562 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:09:19,562 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:09:19,562 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:09:19,563 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 13:09:19,572 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:09:19,572 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:09:19,573 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:09:19,573 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:09:19,573 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:09:19,573 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:09:19,573 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:09:19,573 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:09:19,574 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:09:19,574 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:09:19,574 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:09:19,574 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:09:19,575 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:09:19,575 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:09:19,575 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:09:19,575 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:09:19,575 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:09:19,575 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 13:09:19,575 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 13:09:19,575 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:09:19,576 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:09:19,576 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:09:19,576 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:09:19,576 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:09:19,576 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:09:19,576 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:09:19,576 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:09:19,577 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:09:19,577 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:09:19,577 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:09:19,577 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:09:19,577 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 13:09:19,577 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:09:19,577 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 13:09:19,577 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 13:09:19,578 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_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 -> d29f12e66e15a9c752fce15327a254c30da4b28a [2018-12-02 13:09:19,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:09:19,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:09:19,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:09:19,612 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:09:19,612 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:09:19,613 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-12-02 13:09:19,650 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data/1bf87d0a3/572bbc9450a9414098aca3461a03f929/FLAG4d303ce5b [2018-12-02 13:09:20,097 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:09:20,097 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-12-02 13:09:20,103 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data/1bf87d0a3/572bbc9450a9414098aca3461a03f929/FLAG4d303ce5b [2018-12-02 13:09:20,111 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/data/1bf87d0a3/572bbc9450a9414098aca3461a03f929 [2018-12-02 13:09:20,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:09:20,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:09:20,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:09:20,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:09:20,116 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:09:20,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,119 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 02.12 01:09:20, skipping insertion in model container [2018-12-02 13:09:20,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:09:20,141 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:09:20,269 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:09:20,273 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:09:20,309 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:09:20,330 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:09:20,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20 WrapperNode [2018-12-02 13:09:20,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:09:20,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:09:20,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:09:20,331 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:09:20,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:09:20,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:09:20,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:09:20,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:09:20,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... [2018-12-02 13:09:20,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:09:20,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:09:20,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:09:20,419 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:09:20,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:09:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-02 13:09:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-02 13:09:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:09:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:09:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 13:09:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 13:09:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:09:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:09:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-02 13:09:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 13:09:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 13:09:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 13:09:20,543 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:09:20,785 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:09:20,806 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:09:21,011 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:09:21,541 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:09:21,542 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 13:09:21,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:21 BoogieIcfgContainer [2018-12-02 13:09:21,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:09:21,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:09:21,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:09:21,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:09:21,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:09:20" (1/3) ... [2018-12-02 13:09:21,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df11668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:21, skipping insertion in model container [2018-12-02 13:09:21,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:09:20" (2/3) ... [2018-12-02 13:09:21,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df11668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:09:21, skipping insertion in model container [2018-12-02 13:09:21,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:09:21" (3/3) ... [2018-12-02 13:09:21,546 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b_true-unreach-call.c [2018-12-02 13:09:21,551 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:09:21,556 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:09:21,564 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:09:21,581 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 13:09:21,581 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:09:21,581 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:09:21,581 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:09:21,581 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:09:21,581 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:09:21,581 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:09:21,581 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:09:21,582 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:09:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-12-02 13:09:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 13:09:21,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:09:21,596 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] [2018-12-02 13:09:21,597 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:09:21,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:09:21,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1957122282, now seen corresponding path program 1 times [2018-12-02 13:09:21,603 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:09:21,603 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:09:21,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:09:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:09:21,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:09:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:09:21,684 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:09:21,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:09:21,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 13:09:21,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 13:09:21,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 13:09:21,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:09:21,704 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-12-02 13:09:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:09:21,724 INFO L93 Difference]: Finished difference Result 206 states and 325 transitions. [2018-12-02 13:09:21,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 13:09:21,725 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-12-02 13:09:21,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:09:21,732 INFO L225 Difference]: With dead ends: 206 [2018-12-02 13:09:21,732 INFO L226 Difference]: Without dead ends: 102 [2018-12-02 13:09:21,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 13:09:21,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-12-02 13:09:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-12-02 13:09:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-12-02 13:09:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2018-12-02 13:09:21,764 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 32 [2018-12-02 13:09:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:09:21,764 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2018-12-02 13:09:21,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 13:09:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2018-12-02 13:09:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 13:09:21,765 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:09:21,765 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] [2018-12-02 13:09:21,765 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:09:21,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:09:21,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1007281651, now seen corresponding path program 1 times [2018-12-02 13:09:21,766 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:09:21,766 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:09:21,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:09:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:09:21,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:09:25,518 WARN L180 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 13:09:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:09:30,447 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:09:30,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:09:30,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 13:09:30,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 13:09:30,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 13:09:30,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=132, Unknown=1, NotChecked=0, Total=156 [2018-12-02 13:09:30,456 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand 13 states. [2018-12-02 13:09:37,635 WARN L180 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 31 [2018-12-02 13:10:06,921 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-12-02 13:10:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:10:57,606 INFO L93 Difference]: Finished difference Result 188 states and 232 transitions. [2018-12-02 13:10:57,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 13:10:57,653 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-12-02 13:10:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:10:57,656 INFO L225 Difference]: With dead ends: 188 [2018-12-02 13:10:57,657 INFO L226 Difference]: Without dead ends: 181 [2018-12-02 13:10:57,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=69, Invalid=392, Unknown=1, NotChecked=0, Total=462 [2018-12-02 13:10:57,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-12-02 13:10:57,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 107. [2018-12-02 13:10:57,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-02 13:10:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2018-12-02 13:10:57,672 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 37 [2018-12-02 13:10:57,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:10:57,673 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2018-12-02 13:10:57,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 13:10:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2018-12-02 13:10:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 13:10:57,674 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:10:57,674 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] [2018-12-02 13:10:57,674 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:10:57,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:10:57,674 INFO L82 PathProgramCache]: Analyzing trace with hash 2007821967, now seen corresponding path program 1 times [2018-12-02 13:10:57,674 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:10:57,675 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:10:57,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:10:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:10:57,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:10:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:10:57,963 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:10:57,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:10:57,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 13:10:57,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 13:10:57,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 13:10:57,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:10:57,971 INFO L87 Difference]: Start difference. First operand 107 states and 129 transitions. Second operand 8 states. [2018-12-02 13:11:31,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:11:31,155 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2018-12-02 13:11:31,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 13:11:31,203 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-12-02 13:11:31,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:11:31,205 INFO L225 Difference]: With dead ends: 218 [2018-12-02 13:11:31,205 INFO L226 Difference]: Without dead ends: 182 [2018-12-02 13:11:31,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-12-02 13:11:31,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-12-02 13:11:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 120. [2018-12-02 13:11:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-02 13:11:31,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 144 transitions. [2018-12-02 13:11:31,220 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 144 transitions. Word has length 37 [2018-12-02 13:11:31,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:11:31,221 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 144 transitions. [2018-12-02 13:11:31,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 13:11:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2018-12-02 13:11:31,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 13:11:31,222 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:11:31,222 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] [2018-12-02 13:11:31,222 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:11:31,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:11:31,222 INFO L82 PathProgramCache]: Analyzing trace with hash -228293071, now seen corresponding path program 1 times [2018-12-02 13:11:31,222 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:11:31,222 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:11:31,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:11:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:11:31,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:11:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:11:31,386 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:11:31,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:11:31,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 13:11:31,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 13:11:31,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 13:11:31,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:11:31,394 INFO L87 Difference]: Start difference. First operand 120 states and 144 transitions. Second operand 8 states. [2018-12-02 13:12:11,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:12:11,489 INFO L93 Difference]: Finished difference Result 220 states and 263 transitions. [2018-12-02 13:12:11,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 13:12:11,530 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-12-02 13:12:11,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:12:11,532 INFO L225 Difference]: With dead ends: 220 [2018-12-02 13:12:11,532 INFO L226 Difference]: Without dead ends: 136 [2018-12-02 13:12:11,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-02 13:12:11,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-02 13:12:11,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 109. [2018-12-02 13:12:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-02 13:12:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2018-12-02 13:12:11,546 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 40 [2018-12-02 13:12:11,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:12:11,546 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2018-12-02 13:12:11,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 13:12:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2018-12-02 13:12:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 13:12:11,548 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:12:11,548 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] [2018-12-02 13:12:11,548 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:12:11,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:12:11,548 INFO L82 PathProgramCache]: Analyzing trace with hash -780723337, now seen corresponding path program 1 times [2018-12-02 13:12:11,549 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:12:11,549 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:12:11,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:12:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:11,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:12:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:11,732 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:12:11,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:12:11,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 13:12:11,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 13:12:11,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 13:12:11,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:12:11,745 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand 8 states. [2018-12-02 13:12:23,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:12:23,704 INFO L93 Difference]: Finished difference Result 154 states and 182 transitions. [2018-12-02 13:12:23,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 13:12:23,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-12-02 13:12:23,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:12:23,753 INFO L225 Difference]: With dead ends: 154 [2018-12-02 13:12:23,753 INFO L226 Difference]: Without dead ends: 136 [2018-12-02 13:12:23,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-12-02 13:12:23,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-02 13:12:23,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 112. [2018-12-02 13:12:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-12-02 13:12:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 134 transitions. [2018-12-02 13:12:23,763 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 134 transitions. Word has length 42 [2018-12-02 13:12:23,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:12:23,763 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 134 transitions. [2018-12-02 13:12:23,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 13:12:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 134 transitions. [2018-12-02 13:12:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 13:12:23,764 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:12:23,764 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] [2018-12-02 13:12:23,764 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:12:23,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:12:23,765 INFO L82 PathProgramCache]: Analyzing trace with hash -522557899, now seen corresponding path program 1 times [2018-12-02 13:12:23,765 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:12:23,765 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:12:23,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:12:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:23,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:12:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:24,132 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:12:24,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:12:24,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 13:12:24,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 13:12:24,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 13:12:24,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-02 13:12:24,144 INFO L87 Difference]: Start difference. First operand 112 states and 134 transitions. Second operand 12 states. [2018-12-02 13:12:39,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:12:39,670 INFO L93 Difference]: Finished difference Result 151 states and 176 transitions. [2018-12-02 13:12:39,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 13:12:39,715 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-12-02 13:12:39,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:12:39,716 INFO L225 Difference]: With dead ends: 151 [2018-12-02 13:12:39,716 INFO L226 Difference]: Without dead ends: 136 [2018-12-02 13:12:39,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-12-02 13:12:39,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-02 13:12:39,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 109. [2018-12-02 13:12:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-02 13:12:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2018-12-02 13:12:39,734 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 42 [2018-12-02 13:12:39,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:12:39,734 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2018-12-02 13:12:39,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 13:12:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2018-12-02 13:12:39,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 13:12:39,735 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:12:39,735 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] [2018-12-02 13:12:39,735 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:12:39,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:12:39,736 INFO L82 PathProgramCache]: Analyzing trace with hash 178506679, now seen corresponding path program 1 times [2018-12-02 13:12:39,736 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:12:39,736 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:12:39,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:12:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:12:39,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:12:40,143 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-12-02 13:12:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:12:41,809 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:12:41,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:12:41,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 13:12:41,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 13:12:41,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 13:12:41,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-02 13:12:41,818 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 13 states. [2018-12-02 13:12:43,190 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2018-12-02 13:12:44,681 WARN L180 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-02 13:12:47,825 WARN L180 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-02 13:13:00,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:13:00,785 INFO L93 Difference]: Finished difference Result 164 states and 192 transitions. [2018-12-02 13:13:00,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 13:13:00,786 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-12-02 13:13:00,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:13:00,787 INFO L225 Difference]: With dead ends: 164 [2018-12-02 13:13:00,787 INFO L226 Difference]: Without dead ends: 154 [2018-12-02 13:13:00,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2018-12-02 13:13:00,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-02 13:13:00,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 106. [2018-12-02 13:13:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-02 13:13:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2018-12-02 13:13:00,799 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 42 [2018-12-02 13:13:00,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:13:00,799 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2018-12-02 13:13:00,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 13:13:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2018-12-02 13:13:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 13:13:00,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:13:00,800 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] [2018-12-02 13:13:00,800 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:13:00,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:13:00,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1199845104, now seen corresponding path program 1 times [2018-12-02 13:13:00,801 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:13:00,801 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:13:00,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:13:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:00,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:13:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:01,022 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:13:01,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:13:01,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 13:13:01,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 13:13:01,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 13:13:01,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:13:01,031 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 7 states. [2018-12-02 13:13:19,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:13:19,787 INFO L93 Difference]: Finished difference Result 188 states and 224 transitions. [2018-12-02 13:13:19,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:13:19,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-12-02 13:13:19,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:13:19,835 INFO L225 Difference]: With dead ends: 188 [2018-12-02 13:13:19,835 INFO L226 Difference]: Without dead ends: 124 [2018-12-02 13:13:19,836 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-02 13:13:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-02 13:13:19,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 96. [2018-12-02 13:13:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-02 13:13:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-12-02 13:13:19,847 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 45 [2018-12-02 13:13:19,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:13:19,848 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-12-02 13:13:19,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 13:13:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-12-02 13:13:19,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 13:13:19,848 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:13:19,848 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:13:19,848 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:13:19,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:13:19,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1515514824, now seen corresponding path program 1 times [2018-12-02 13:13:19,849 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:13:19,849 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:13:19,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:13:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:20,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:13:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:20,496 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:13:20,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:13:20,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 13:13:20,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:13:20,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:13:20,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:13:20,507 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 9 states. [2018-12-02 13:13:40,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:13:40,964 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2018-12-02 13:13:40,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 13:13:40,965 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2018-12-02 13:13:40,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:13:40,966 INFO L225 Difference]: With dead ends: 133 [2018-12-02 13:13:40,966 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 13:13:40,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-12-02 13:13:40,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 13:13:40,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 99. [2018-12-02 13:13:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-02 13:13:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2018-12-02 13:13:40,978 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 54 [2018-12-02 13:13:40,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:13:40,978 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2018-12-02 13:13:40,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:13:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2018-12-02 13:13:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 13:13:40,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:13:40,979 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] [2018-12-02 13:13:40,979 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:13:40,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:13:40,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1304961129, now seen corresponding path program 1 times [2018-12-02 13:13:40,979 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:13:40,979 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/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 [2018-12-02 13:13:40,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:13:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:13:41,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:13:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:13:41,697 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:13:41,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:13:41,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 13:13:41,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:13:41,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:13:41,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:13:41,710 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 9 states. [2018-12-02 13:14:01,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:14:01,833 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2018-12-02 13:14:01,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 13:14:01,834 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2018-12-02 13:14:01,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:14:01,834 INFO L225 Difference]: With dead ends: 122 [2018-12-02 13:14:01,834 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 13:14:01,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-12-02 13:14:01,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 13:14:01,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 90. [2018-12-02 13:14:01,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 13:14:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-12-02 13:14:01,844 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 57 [2018-12-02 13:14:01,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:14:01,845 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-12-02 13:14:01,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:14:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-12-02 13:14:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 13:14:01,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:14:01,845 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, 1, 1] [2018-12-02 13:14:01,845 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:14:01,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:14:01,845 INFO L82 PathProgramCache]: Analyzing trace with hash 278430457, now seen corresponding path program 1 times [2018-12-02 13:14:01,846 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:14:01,846 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-12-02 13:14:01,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:14:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:02,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:14:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:14:02,217 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:14:02,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:14:02,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:14:02,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:14:02,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:14:02,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:14:02,229 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2018-12-02 13:14:06,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:14:06,449 INFO L93 Difference]: Finished difference Result 100 states and 113 transitions. [2018-12-02 13:14:06,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 13:14:06,492 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-12-02 13:14:06,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:14:06,493 INFO L225 Difference]: With dead ends: 100 [2018-12-02 13:14:06,493 INFO L226 Difference]: Without dead ends: 90 [2018-12-02 13:14:06,493 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:14:06,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-02 13:14:06,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-02 13:14:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 13:14:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2018-12-02 13:14:06,506 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 59 [2018-12-02 13:14:06,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:14:06,506 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2018-12-02 13:14:06,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:14:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2018-12-02 13:14:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 13:14:06,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:14:06,507 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, 1, 1, 1, 1, 1] [2018-12-02 13:14:06,507 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:14:06,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:14:06,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1738369465, now seen corresponding path program 1 times [2018-12-02 13:14:06,508 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:14:06,508 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2018-12-02 13:14:06,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:14:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:06,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:14:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:14:07,052 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:14:07,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:14:07,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 13:14:07,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:14:07,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:14:07,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:14:07,065 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 9 states. [2018-12-02 13:14:21,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:14:21,519 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2018-12-02 13:14:21,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 13:14:21,571 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-12-02 13:14:21,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:14:21,571 INFO L225 Difference]: With dead ends: 131 [2018-12-02 13:14:21,571 INFO L226 Difference]: Without dead ends: 90 [2018-12-02 13:14:21,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-02 13:14:21,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-02 13:14:21,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-02 13:14:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 13:14:21,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2018-12-02 13:14:21,583 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 62 [2018-12-02 13:14:21,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:14:21,584 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2018-12-02 13:14:21,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:14:21,584 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2018-12-02 13:14:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 13:14:21,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:14:21,584 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, 1, 1, 1, 1, 1] [2018-12-02 13:14:21,584 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:14:21,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:14:21,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1184790533, now seen corresponding path program 1 times [2018-12-02 13:14:21,585 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:14:21,585 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2018-12-02 13:14:21,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:14:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:21,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:14:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:14:22,282 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:14:22,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:14:22,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 13:14:22,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:14:22,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:14:22,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:14:22,294 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 9 states. [2018-12-02 13:14:32,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:14:32,513 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions. [2018-12-02 13:14:32,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 13:14:32,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-12-02 13:14:32,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:14:32,515 INFO L225 Difference]: With dead ends: 104 [2018-12-02 13:14:32,515 INFO L226 Difference]: Without dead ends: 85 [2018-12-02 13:14:32,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-12-02 13:14:32,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-02 13:14:32,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-02 13:14:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-02 13:14:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2018-12-02 13:14:32,522 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 62 [2018-12-02 13:14:32,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:14:32,522 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2018-12-02 13:14:32,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:14:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2018-12-02 13:14:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 13:14:32,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:14:32,523 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:14:32,523 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:14:32,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:14:32,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1058880090, now seen corresponding path program 1 times [2018-12-02 13:14:32,523 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 13:14:32,524 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26055ebe-27fb-40d5-9214-d1cebace7d2c/bin-2019/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2018-12-02 13:14:32,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:14:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:14:33,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:14:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:14:33,334 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 13:14:33,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:14:33,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 13:14:33,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:14:33,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:14:33,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:14:33,348 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand 9 states. [2018-12-02 13:14:39,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:14:39,834 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2018-12-02 13:14:39,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 13:14:39,888 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2018-12-02 13:14:39,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:14:39,888 INFO L225 Difference]: With dead ends: 85 [2018-12-02 13:14:39,888 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 13:14:39,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-12-02 13:14:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 13:14:39,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 13:14:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 13:14:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 13:14:39,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-12-02 13:14:39,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:14:39,889 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:14:39,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:14:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 13:14:39,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:14:39,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 13:14:40,721 WARN L180 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 43 [2018-12-02 13:14:43,140 WARN L180 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2018-12-02 13:14:47,989 WARN L180 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2018-12-02 13:14:50,972 WARN L180 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2018-12-02 13:14:51,164 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2018-12-02 13:14:52,706 WARN L180 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2018-12-02 13:14:54,495 WARN L180 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2018-12-02 13:14:54,774 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-12-02 13:14:55,538 WARN L180 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2018-12-02 13:14:55,564 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 211) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 211) the Hoare annotation is: true [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 211) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 216 220) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L444 ceAbstractionStarter]: At program point L216-2(lines 216 220) the Hoare annotation is: (= isfinite_float_~x |isfinite_float_#in~x|) [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point L216-3(lines 216 220) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 214 223) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L451 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 214 223) the Hoare annotation is: true [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 214 223) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 13:14:55,565 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 225 245) the Hoare annotation is: true [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 225 245) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2018-12-02 13:14:55,565 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L444 ceAbstractionStarter]: At program point L238(line 238) the Hoare annotation is: (and (exists ((__ieee754_hypotf_~b~0 (_ FloatingPoint 8 24)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (= main_~res~0 (fp.add roundNearestTiesToEven (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) __ieee754_hypotf_~b~0)) (= (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 (_ +zero 8 24) (_ +zero 8 24))))) (= main_~y~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L238-1(lines 238 241) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 225 245) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (and (exists ((v_isfinite_float_~ix~1_5 (_ BitVec 32))) (and (= main_~x~0 (fp ((_ extract 31 31) v_isfinite_float_~ix~1_5) ((_ extract 30 23) v_isfinite_float_~ix~1_5) ((_ extract 22 0) v_isfinite_float_~ix~1_5))) (bvslt (bvand (_ bv2147483647 32) v_isfinite_float_~ix~1_5) (_ bv2139095040 32)))) (= main_~y~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2018-12-02 13:14:55,566 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (= main_~y~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L235-1(lines 235 242) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L235-3(lines 235 242) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L444 ceAbstractionStarter]: At program point L176-2(lines 176 180) the Hoare annotation is: (let ((.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_33 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (bvslt v___ieee754_hypotf_~ha~0_33 (_ bv2139095040 32)) (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_33)))) (let ((.cse0 (and .cse2 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32)))))) (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))))))) (and .cse2 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32)))))))) [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 176 180) no Hoare annotation was computed. [2018-12-02 13:14:55,566 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L444 ceAbstractionStarter]: At program point L185-2(lines 185 189) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (bvsgt (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27))) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (and .cse0 (let ((.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse1 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32)))) (and .cse1 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32))))))))) (exists ((v___ieee754_hypotf_~hb~0_39 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_39))) (and (bvsgt .cse3 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_39) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_39) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_39)) |__ieee754_hypotf_#in~y|) (bvslt .cse3 (_ bv2139095040 32)))))))) [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L185-3(lines 185 189) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-12-02 13:14:55,567 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_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32)))))) [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 81 208) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L451 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 121 144) no Hoare annotation was computed. [2018-12-02 13:14:55,567 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (bvsgt (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27))) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (and .cse0 (let ((.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse1 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32)))) (and .cse1 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32))))))))) (exists ((v___ieee754_hypotf_~hb~0_39 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_39))) (and (bvsgt .cse3 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_39) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_39) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_39)) |__ieee754_hypotf_#in~y|) (bvslt .cse3 (_ bv2139095040 32)))))))) [2018-12-02 13:14:55,567 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 81 208) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L444 ceAbstractionStarter]: At program point L91-2(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_25 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_25) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_25) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_25))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_25))))) [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_33 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (bvslt v___ieee754_hypotf_~ha~0_33 (_ bv2139095040 32)) (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_33)))) (let ((.cse0 (and .cse2 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32)))))) (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))))))) (and .cse2 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32)))))))) [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse1 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32))))))) (or (and .cse0 .cse1 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28))))) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~ha~0)) .cse0 .cse1 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27) __ieee754_hypotf_~hb~0) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))))) [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 157 171) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-12-02 13:14:55,568 INFO L444 ceAbstractionStarter]: At program point L191-2(lines 191 195) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (bvsgt (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27))) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (and .cse0 (let ((.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse1 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32)))) (and .cse1 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32))))))))) (exists ((v___ieee754_hypotf_~hb~0_39 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_39))) (and (bvsgt .cse3 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_39) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_39) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_39)) |__ieee754_hypotf_#in~y|) (bvslt .cse3 (_ bv2139095040 32)))))))) [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L444 ceAbstractionStarter]: At program point L200-2(lines 200 204) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (bvsgt (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27))) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_33 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (bvslt v___ieee754_hypotf_~ha~0_33 (_ bv2139095040 32)) (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_33)))) (and .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))))) [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_33 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (bvslt v___ieee754_hypotf_~ha~0_33 (_ bv2139095040 32)) (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_33)))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~hb~0_32 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_32))) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse0 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse0 (_ bv1484783616 32)))))) [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L451 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: true [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L451 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: true [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-12-02 13:14:55,569 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: true [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-02 13:14:55,570 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-12-02 13:14:55,574 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 13:14:55,576 INFO L168 Benchmark]: Toolchain (without parser) took 335463.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 269.9 MB. Max. memory is 11.5 GB. [2018-12-02 13:14:55,576 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-02 13:14:55,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.02 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:14:55,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:14:55,577 INFO L168 Benchmark]: Boogie Preprocessor took 37.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:14:55,577 INFO L168 Benchmark]: RCFGBuilder took 1123.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:14:55,577 INFO L168 Benchmark]: TraceAbstraction took 334032.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -17.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.2 MB). Peak memory consumption was 256.6 MB. Max. memory is 11.5 GB. [2018-12-02 13:14:55,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.02 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1123.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 334032.93 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -17.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.2 MB). Peak memory consumption was 256.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 239]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...