./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_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:17:45,616 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:17:45,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:17:45,623 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:17:45,623 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:17:45,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:17:45,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:17:45,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:17:45,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:17:45,626 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:17:45,626 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:17:45,626 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:17:45,627 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:17:45,627 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:17:45,628 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:17:45,628 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:17:45,629 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:17:45,630 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:17:45,631 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:17:45,631 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:17:45,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:17:45,632 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:17:45,634 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:17:45,634 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:17:45,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:17:45,634 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:17:45,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:17:45,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:17:45,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:17:45,636 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:17:45,636 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:17:45,637 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:17:45,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:17:45,637 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:17:45,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:17:45,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:17:45,638 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:17:45,645 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:17:45,645 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:17:45,646 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:17:45,646 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:17:45,646 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:17:45,646 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:17:45,646 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:17:45,646 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:17:45,647 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:17:45,647 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:17:45,647 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:17:45,647 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:17:45,647 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:17:45,647 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:17:45,647 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:17:45,647 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:17:45,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:17:45,648 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:17:45,649 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:17:45,649 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:17:45,649 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_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:17:45,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:17:45,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:17:45,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:17:45,679 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:17:45,679 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:17:45,680 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-12-09 09:17:45,722 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data/0d6f4a22d/c125684cd2f84d4984ad67fe4e59357b/FLAG2f460bac4 [2018-12-09 09:17:46,111 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:17:46,112 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-12-09 09:17:46,116 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data/0d6f4a22d/c125684cd2f84d4984ad67fe4e59357b/FLAG2f460bac4 [2018-12-09 09:17:46,124 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data/0d6f4a22d/c125684cd2f84d4984ad67fe4e59357b [2018-12-09 09:17:46,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:17:46,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:17:46,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:17:46,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:17:46,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:17:46,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282d141b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46, skipping insertion in model container [2018-12-09 09:17:46,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:17:46,149 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:17:46,258 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:17:46,260 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:17:46,289 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:17:46,331 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:17:46,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46 WrapperNode [2018-12-09 09:17:46,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:17:46,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:17:46,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:17:46,332 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:17:46,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:17:46,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:17:46,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:17:46,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:17:46,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... [2018-12-09 09:17:46,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:17:46,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:17:46,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:17:46,378 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:17:46,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:17:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-09 09:17:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-09 09:17:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:17:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:17:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 09:17:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 09:17:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 09:17:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 09:17:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:17:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:17:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 09:17:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:17:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:17:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:17:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 09:17:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-09 09:17:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-09 09:17:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:17:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 09:17:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 09:17:46,720 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:17:46,720 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-09 09:17:46,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:17:46 BoogieIcfgContainer [2018-12-09 09:17:46,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:17:46,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:17:46,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:17:46,724 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:17:46,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:17:46" (1/3) ... [2018-12-09 09:17:46,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a07b5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:17:46, skipping insertion in model container [2018-12-09 09:17:46,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:46" (2/3) ... [2018-12-09 09:17:46,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a07b5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:17:46, skipping insertion in model container [2018-12-09 09:17:46,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:17:46" (3/3) ... [2018-12-09 09:17:46,726 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b_true-unreach-call.c [2018-12-09 09:17:46,732 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:17:46,737 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:17:46,750 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:17:46,768 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:17:46,768 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:17:46,768 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:17:46,768 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:17:46,768 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:17:46,768 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:17:46,768 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:17:46,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:17:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-12-09 09:17:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 09:17:46,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:17:46,784 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] [2018-12-09 09:17:46,785 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:17:46,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:17:46,788 INFO L82 PathProgramCache]: Analyzing trace with hash 860825893, now seen corresponding path program 1 times [2018-12-09 09:17:46,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:17:46,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:17:46,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:17:46,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:17:46,817 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:17:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:17:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:17:46,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:17:46,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:17:46,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:17:46,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:17:46,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:17:46,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:17:46,893 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-12-09 09:17:46,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:17:46,912 INFO L93 Difference]: Finished difference Result 210 states and 329 transitions. [2018-12-09 09:17:46,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:17:46,913 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-12-09 09:17:46,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:17:46,919 INFO L225 Difference]: With dead ends: 210 [2018-12-09 09:17:46,919 INFO L226 Difference]: Without dead ends: 104 [2018-12-09 09:17:46,922 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 [2018-12-09 09:17:46,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-09 09:17:46,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-09 09:17:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-09 09:17:46,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2018-12-09 09:17:46,949 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 34 [2018-12-09 09:17:46,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:17:46,949 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2018-12-09 09:17:46,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:17:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2018-12-09 09:17:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 09:17:46,950 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:17:46,950 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] [2018-12-09 09:17:46,951 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:17:46,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:17:46,951 INFO L82 PathProgramCache]: Analyzing trace with hash 68622012, now seen corresponding path program 1 times [2018-12-09 09:17:46,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:17:46,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:17:46,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:17:46,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:17:46,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:17:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:17:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:17:47,046 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 09:17:47,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:17:47 BoogieIcfgContainer [2018-12-09 09:17:47,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:17:47,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:17:47,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:17:47,073 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:17:47,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:17:46" (3/4) ... [2018-12-09 09:17:47,076 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 09:17:47,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:17:47,077 INFO L168 Benchmark]: Toolchain (without parser) took 950.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -43.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:17:47,078 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-09 09:17:47,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:17:47,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:17:47,079 INFO L168 Benchmark]: Boogie Preprocessor took 28.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:17:47,079 INFO L168 Benchmark]: RCFGBuilder took 342.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:17:47,079 INFO L168 Benchmark]: TraceAbstraction took 351.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:17:47,080 INFO L168 Benchmark]: Witness Printer took 3.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:17:47,081 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 342.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 351.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 0.3s 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 [2018-12-09 09:17:48,472 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:17:48,473 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:17:48,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:17:48,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:17:48,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:17:48,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:17:48,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:17:48,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:17:48,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:17:48,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:17:48,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:17:48,483 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:17:48,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:17:48,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:17:48,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:17:48,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:17:48,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:17:48,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:17:48,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:17:48,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:17:48,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:17:48,490 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:17:48,490 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:17:48,490 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:17:48,491 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:17:48,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:17:48,492 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:17:48,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:17:48,493 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:17:48,493 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:17:48,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:17:48,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:17:48,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:17:48,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:17:48,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:17:48,494 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 09:17:48,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:17:48,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:17:48,502 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:17:48,502 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:17:48,503 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:17:48,503 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:17:48,503 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:17:48,503 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:17:48,503 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:17:48,503 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:17:48,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:17:48,504 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:17:48,504 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:17:48,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:17:48,504 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:17:48,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:17:48,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:17:48,504 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 09:17:48,505 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 09:17:48,505 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:17:48,505 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:17:48,505 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:17:48,505 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:17:48,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:17:48,505 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:17:48,506 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:17:48,506 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:17:48,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:17:48,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:17:48,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:17:48,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:17:48,506 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 09:17:48,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:17:48,507 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 09:17:48,507 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 09:17:48,507 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_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:17:48,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:17:48,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:17:48,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:17:48,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:17:48,535 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:17:48,536 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-12-09 09:17:48,571 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data/3288c0390/86a02f63ae7b4e6abd02b9b722f8f3c5/FLAGebf417a77 [2018-12-09 09:17:48,927 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:17:48,927 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-12-09 09:17:48,931 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data/3288c0390/86a02f63ae7b4e6abd02b9b722f8f3c5/FLAGebf417a77 [2018-12-09 09:17:49,302 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/bin-2019/utaipan/data/3288c0390/86a02f63ae7b4e6abd02b9b722f8f3c5 [2018-12-09 09:17:49,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:17:49,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:17:49,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:17:49,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:17:49,310 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:17:49,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49, skipping insertion in model container [2018-12-09 09:17:49,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:17:49,339 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:17:49,471 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:17:49,475 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:17:49,512 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:17:49,533 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:17:49,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49 WrapperNode [2018-12-09 09:17:49,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:17:49,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:17:49,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:17:49,534 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:17:49,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:17:49,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:17:49,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:17:49,551 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:17:49,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... [2018-12-09 09:17:49,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:17:49,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:17:49,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:17:49,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:17:49,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:17:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-09 09:17:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-09 09:17:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:17:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:17:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 09:17:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 09:17:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 09:17:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:17:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:17:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:17:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 09:17:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:17:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:17:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 09:17:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-09 09:17:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-09 09:17:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 09:17:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:17:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 09:17:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 09:17:49,736 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:17:49,959 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:17:49,979 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:17:50,185 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:17:50,725 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:17:50,725 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-09 09:17:50,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:17:50 BoogieIcfgContainer [2018-12-09 09:17:50,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:17:50,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:17:50,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:17:50,728 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:17:50,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:17:49" (1/3) ... [2018-12-09 09:17:50,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9ea8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:17:50, skipping insertion in model container [2018-12-09 09:17:50,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:17:49" (2/3) ... [2018-12-09 09:17:50,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9ea8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:17:50, skipping insertion in model container [2018-12-09 09:17:50,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:17:50" (3/3) ... [2018-12-09 09:17:50,730 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b_true-unreach-call.c [2018-12-09 09:17:50,738 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:17:50,742 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:17:50,750 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:17:50,766 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:17:50,767 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:17:50,767 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:17:50,767 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:17:50,767 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:17:50,767 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:17:50,767 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:17:50,767 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:17:50,767 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:17:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-12-09 09:17:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 09:17:50,781 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:17:50,782 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] [2018-12-09 09:17:50,783 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:17:50,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:17:50,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1957122282, now seen corresponding path program 1 times [2018-12-09 09:17:50,789 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:17:50,789 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:17:50,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:17:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:17:50,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:17:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:17:50,879 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:17:50,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:17:50,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:17:50,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:17:50,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:17:50,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:17:50,901 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-12-09 09:17:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:17:50,926 INFO L93 Difference]: Finished difference Result 206 states and 325 transitions. [2018-12-09 09:17:50,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:17:50,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-12-09 09:17:50,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:17:50,933 INFO L225 Difference]: With dead ends: 206 [2018-12-09 09:17:50,933 INFO L226 Difference]: Without dead ends: 102 [2018-12-09 09:17:50,936 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 [2018-12-09 09:17:50,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-12-09 09:17:50,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-12-09 09:17:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-12-09 09:17:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2018-12-09 09:17:50,971 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 32 [2018-12-09 09:17:50,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:17:50,972 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2018-12-09 09:17:50,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:17:50,972 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2018-12-09 09:17:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 09:17:50,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:17:50,973 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] [2018-12-09 09:17:50,973 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:17:50,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:17:50,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1007281651, now seen corresponding path program 1 times [2018-12-09 09:17:50,974 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:17:50,974 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:17:50,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:17:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:17:51,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:17:54,755 WARN L180 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-09 09:18:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:18:02,133 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:18:02,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:18:02,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-09 09:18:02,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 09:18:02,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 09:18:02,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=130, Unknown=3, NotChecked=0, Total=156 [2018-12-09 09:18:02,143 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand 13 states. [2018-12-09 09:18:08,052 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-12-09 09:18:29,995 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-12-09 09:19:17,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:19:17,309 INFO L93 Difference]: Finished difference Result 188 states and 232 transitions. [2018-12-09 09:19:17,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 09:19:17,326 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-12-09 09:19:17,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:19:17,329 INFO L225 Difference]: With dead ends: 188 [2018-12-09 09:19:17,329 INFO L226 Difference]: Without dead ends: 181 [2018-12-09 09:19:17,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=69, Invalid=390, Unknown=3, NotChecked=0, Total=462 [2018-12-09 09:19:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-12-09 09:19:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 110. [2018-12-09 09:19:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 09:19:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 134 transitions. [2018-12-09 09:19:17,344 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 134 transitions. Word has length 37 [2018-12-09 09:19:17,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:19:17,344 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 134 transitions. [2018-12-09 09:19:17,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 09:19:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2018-12-09 09:19:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 09:19:17,345 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:19:17,345 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] [2018-12-09 09:19:17,345 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:19:17,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:19:17,346 INFO L82 PathProgramCache]: Analyzing trace with hash 2007821967, now seen corresponding path program 1 times [2018-12-09 09:19:17,346 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:19:17,346 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:19:17,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:19:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:17,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:19:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:17,660 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:19:17,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:19:17,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:19:17,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:19:17,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:19:17,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:19:17,669 INFO L87 Difference]: Start difference. First operand 110 states and 134 transitions. Second operand 8 states. [2018-12-09 09:20:01,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:20:01,030 INFO L93 Difference]: Finished difference Result 214 states and 259 transitions. [2018-12-09 09:20:01,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:20:01,083 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-12-09 09:20:01,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:20:01,085 INFO L225 Difference]: With dead ends: 214 [2018-12-09 09:20:01,085 INFO L226 Difference]: Without dead ends: 179 [2018-12-09 09:20:01,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-12-09 09:20:01,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-12-09 09:20:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 113. [2018-12-09 09:20:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-09 09:20:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 137 transitions. [2018-12-09 09:20:01,100 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 137 transitions. Word has length 37 [2018-12-09 09:20:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:20:01,100 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 137 transitions. [2018-12-09 09:20:01,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:20:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 137 transitions. [2018-12-09 09:20:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:20:01,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:20:01,101 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] [2018-12-09 09:20:01,101 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:20:01,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:20:01,102 INFO L82 PathProgramCache]: Analyzing trace with hash -780723337, now seen corresponding path program 1 times [2018-12-09 09:20:01,102 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:20:01,102 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:20:01,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:20:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:01,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:20:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:20:01,285 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:20:01,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:20:01,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:20:01,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:20:01,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:20:01,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:20:01,294 INFO L87 Difference]: Start difference. First operand 113 states and 137 transitions. Second operand 8 states. [2018-12-09 09:20:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:20:41,321 INFO L93 Difference]: Finished difference Result 184 states and 220 transitions. [2018-12-09 09:20:41,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:20:41,371 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-12-09 09:20:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:20:41,372 INFO L225 Difference]: With dead ends: 184 [2018-12-09 09:20:41,373 INFO L226 Difference]: Without dead ends: 166 [2018-12-09 09:20:41,373 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 [2018-12-09 09:20:41,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-12-09 09:20:41,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 116. [2018-12-09 09:20:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-09 09:20:41,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 141 transitions. [2018-12-09 09:20:41,385 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 141 transitions. Word has length 42 [2018-12-09 09:20:41,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:20:41,386 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 141 transitions. [2018-12-09 09:20:41,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:20:41,386 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2018-12-09 09:20:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:20:41,386 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:20:41,387 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] [2018-12-09 09:20:41,387 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:20:41,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:20:41,387 INFO L82 PathProgramCache]: Analyzing trace with hash -522557899, now seen corresponding path program 1 times [2018-12-09 09:20:41,387 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:20:41,387 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:20:41,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:20:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:41,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:20:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:20:41,740 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:20:41,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:20:41,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-09 09:20:41,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 09:20:41,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 09:20:41,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-09 09:20:41,749 INFO L87 Difference]: Start difference. First operand 116 states and 141 transitions. Second operand 12 states. [2018-12-09 09:21:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:10,523 INFO L93 Difference]: Finished difference Result 181 states and 214 transitions. [2018-12-09 09:21:10,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 09:21:10,572 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-12-09 09:21:10,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:10,573 INFO L225 Difference]: With dead ends: 181 [2018-12-09 09:21:10,573 INFO L226 Difference]: Without dead ends: 166 [2018-12-09 09:21:10,573 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 [2018-12-09 09:21:10,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-12-09 09:21:10,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 113. [2018-12-09 09:21:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-09 09:21:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 135 transitions. [2018-12-09 09:21:10,591 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 135 transitions. Word has length 42 [2018-12-09 09:21:10,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:10,591 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 135 transitions. [2018-12-09 09:21:10,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 09:21:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 135 transitions. [2018-12-09 09:21:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:21:10,593 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:10,593 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] [2018-12-09 09:21:10,593 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:10,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:10,593 INFO L82 PathProgramCache]: Analyzing trace with hash 178506679, now seen corresponding path program 1 times [2018-12-09 09:21:10,594 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:21:10,594 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:21:10,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:10,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:21:11,041 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-12-09 09:21:12,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:21:12,905 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:21:12,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:12,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-09 09:21:12,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 09:21:12,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 09:21:12,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:21:12,915 INFO L87 Difference]: Start difference. First operand 113 states and 135 transitions. Second operand 13 states. [2018-12-09 09:21:14,705 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2018-12-09 09:21:16,472 WARN L180 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-09 09:21:19,406 WARN L180 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-09 09:21:33,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:33,959 INFO L93 Difference]: Finished difference Result 179 states and 213 transitions. [2018-12-09 09:21:33,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 09:21:33,960 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-12-09 09:21:33,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:33,961 INFO L225 Difference]: With dead ends: 179 [2018-12-09 09:21:33,961 INFO L226 Difference]: Without dead ends: 169 [2018-12-09 09:21:33,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2018-12-09 09:21:33,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-12-09 09:21:33,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 110. [2018-12-09 09:21:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 09:21:33,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 131 transitions. [2018-12-09 09:21:33,975 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 131 transitions. Word has length 42 [2018-12-09 09:21:33,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:33,975 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 131 transitions. [2018-12-09 09:21:33,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 09:21:33,975 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 131 transitions. [2018-12-09 09:21:33,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:21:33,976 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:33,976 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] [2018-12-09 09:21:33,977 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:33,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:33,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1199845104, now seen corresponding path program 1 times [2018-12-09 09:21:33,977 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:21:33,977 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:21:33,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:34,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:21:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:21:34,258 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:21:34,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:34,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:21:34,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:21:34,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:21:34,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:21:34,267 INFO L87 Difference]: Start difference. First operand 110 states and 131 transitions. Second operand 7 states. [2018-12-09 09:21:46,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:21:46,272 INFO L93 Difference]: Finished difference Result 214 states and 257 transitions. [2018-12-09 09:21:46,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:21:46,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-12-09 09:21:46,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:21:46,311 INFO L225 Difference]: With dead ends: 214 [2018-12-09 09:21:46,311 INFO L226 Difference]: Without dead ends: 150 [2018-12-09 09:21:46,312 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:21:46,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-09 09:21:46,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 109. [2018-12-09 09:21:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-09 09:21:46,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2018-12-09 09:21:46,326 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 45 [2018-12-09 09:21:46,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:21:46,327 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2018-12-09 09:21:46,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:21:46,327 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2018-12-09 09:21:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 09:21:46,328 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:21:46,328 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] [2018-12-09 09:21:46,328 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:21:46,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:21:46,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1790274438, now seen corresponding path program 1 times [2018-12-09 09:21:46,329 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:21:46,329 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:21:46,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:21:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:46,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:21:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:21:46,803 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:21:46,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:21:46,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:21:46,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:21:46,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:21:46,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:21:46,815 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 8 states. [2018-12-09 09:22:24,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:22:24,288 INFO L93 Difference]: Finished difference Result 205 states and 239 transitions. [2018-12-09 09:22:24,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:22:24,329 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2018-12-09 09:22:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:22:24,330 INFO L225 Difference]: With dead ends: 205 [2018-12-09 09:22:24,330 INFO L226 Difference]: Without dead ends: 119 [2018-12-09 09:22:24,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-09 09:22:24,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-09 09:22:24,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96. [2018-12-09 09:22:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-09 09:22:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2018-12-09 09:22:24,344 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 54 [2018-12-09 09:22:24,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:22:24,344 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2018-12-09 09:22:24,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:22:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2018-12-09 09:22:24,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 09:22:24,345 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:22:24,346 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] [2018-12-09 09:22:24,346 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:22:24,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:22:24,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1515514824, now seen corresponding path program 1 times [2018-12-09 09:22:24,346 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:22:24,347 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:22:24,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:22:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:22:24,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:22:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:22:25,035 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:22:25,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:22:25,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:22:25,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:22:25,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:22:25,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:22:25,047 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 9 states. [2018-12-09 09:22:38,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:22:38,727 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2018-12-09 09:22:38,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 09:22:38,728 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2018-12-09 09:22:38,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:22:38,729 INFO L225 Difference]: With dead ends: 133 [2018-12-09 09:22:38,729 INFO L226 Difference]: Without dead ends: 97 [2018-12-09 09:22:38,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-12-09 09:22:38,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-09 09:22:38,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 90. [2018-12-09 09:22:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 09:22:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-12-09 09:22:38,739 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 54 [2018-12-09 09:22:38,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:22:38,739 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-12-09 09:22:38,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:22:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-12-09 09:22:38,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 09:22:38,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:22:38,740 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] [2018-12-09 09:22:38,740 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:22:38,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:22:38,740 INFO L82 PathProgramCache]: Analyzing trace with hash 278430457, now seen corresponding path program 1 times [2018-12-09 09:22:38,741 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:22:38,741 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:22:38,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:22:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:22:39,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:22:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:22:39,107 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:22:39,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:22:39,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:22:39,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:22:39,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:22:39,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:22:39,119 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2018-12-09 09:22:43,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:22:43,394 INFO L93 Difference]: Finished difference Result 100 states and 113 transitions. [2018-12-09 09:22:43,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:22:43,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-12-09 09:22:43,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:22:43,435 INFO L225 Difference]: With dead ends: 100 [2018-12-09 09:22:43,435 INFO L226 Difference]: Without dead ends: 90 [2018-12-09 09:22:43,435 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 [2018-12-09 09:22:43,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-09 09:22:43,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-09 09:22:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 09:22:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2018-12-09 09:22:43,448 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 59 [2018-12-09 09:22:43,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:22:43,448 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2018-12-09 09:22:43,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:22:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2018-12-09 09:22:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 09:22:43,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:22:43,449 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:22:43,449 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:22:43,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:22:43,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1738369465, now seen corresponding path program 1 times [2018-12-09 09:22:43,449 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:22:43,449 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:22:43,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:22:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:22:43,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:22:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:22:44,007 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:22:44,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:22:44,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:22:44,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:22:44,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:22:44,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:22:44,019 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 9 states. [2018-12-09 09:22:56,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:22:56,838 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2018-12-09 09:22:56,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:22:56,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-12-09 09:22:56,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:22:56,887 INFO L225 Difference]: With dead ends: 131 [2018-12-09 09:22:56,887 INFO L226 Difference]: Without dead ends: 90 [2018-12-09 09:22:56,888 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 [2018-12-09 09:22:56,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-09 09:22:56,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-09 09:22:56,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 09:22:56,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2018-12-09 09:22:56,900 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 62 [2018-12-09 09:22:56,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:22:56,901 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2018-12-09 09:22:56,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:22:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2018-12-09 09:22:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 09:22:56,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:22:56,901 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] [2018-12-09 09:22:56,901 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:22:56,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:22:56,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1184790533, now seen corresponding path program 1 times [2018-12-09 09:22:56,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:22:56,902 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:22:56,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:22:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:22:57,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:22:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:22:57,630 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:22:57,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:22:57,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:22:57,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:22:57,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:22:57,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:22:57,642 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 9 states. [2018-12-09 09:23:11,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:23:11,618 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions. [2018-12-09 09:23:11,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:23:11,619 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-12-09 09:23:11,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:23:11,619 INFO L225 Difference]: With dead ends: 104 [2018-12-09 09:23:11,619 INFO L226 Difference]: Without dead ends: 85 [2018-12-09 09:23:11,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:23:11,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-09 09:23:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-09 09:23:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-09 09:23:11,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2018-12-09 09:23:11,627 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 62 [2018-12-09 09:23:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:23:11,627 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2018-12-09 09:23:11,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:23:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2018-12-09 09:23:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 09:23:11,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:23:11,628 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] [2018-12-09 09:23:11,628 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:23:11,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:23:11,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1058880090, now seen corresponding path program 1 times [2018-12-09 09:23:11,628 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:23:11,628 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4142d6b-3979-44d2-bba4-267e15ef0c21/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 [2018-12-09 09:23:11,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:23:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:23:12,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:23:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:23:12,424 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:23:12,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:23:12,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 09:23:12,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:23:12,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:23:12,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:23:12,437 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand 9 states. [2018-12-09 09:23:17,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:23:17,349 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2018-12-09 09:23:17,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:23:17,394 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2018-12-09 09:23:17,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:23:17,394 INFO L225 Difference]: With dead ends: 85 [2018-12-09 09:23:17,394 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:23:17,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:23:17,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:23:17,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:23:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:23:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:23:17,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-12-09 09:23:17,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:23:17,395 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:23:17,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:23:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:23:17,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:23:17,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:23:17,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:23:17,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:23:17,993 WARN L180 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 42 [2018-12-09 09:23:19,256 WARN L180 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2018-12-09 09:23:19,748 WARN L180 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 42 [2018-12-09 09:23:20,422 WARN L180 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 42 [2018-12-09 09:23:20,925 WARN L180 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-12-09 09:23:21,231 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 42 [2018-12-09 09:23:21,598 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 42 [2018-12-09 09:23:21,899 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-12-09 09:23:22,006 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2018-12-09 09:23:22,326 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 42 [2018-12-09 09:23:22,393 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 211) no Hoare annotation was computed. [2018-12-09 09:23:22,393 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 211) the Hoare annotation is: true [2018-12-09 09:23:22,393 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 211) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 216 220) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L444 ceAbstractionStarter]: At program point L216-2(lines 216 220) the Hoare annotation is: (= isfinite_float_~x |isfinite_float_#in~x|) [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point L216-3(lines 216 220) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 214 223) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L451 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 214 223) the Hoare annotation is: true [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 214 223) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 09:23:22,394 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 225 245) the Hoare annotation is: true [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 225 245) no Hoare annotation was computed. [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2018-12-09 09:23:22,394 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)))) [2018-12-09 09:23:22,394 INFO L448 ceAbstractionStarter]: For program point L238-1(lines 238 241) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 225 245) no Hoare annotation was computed. [2018-12-09 09:23:22,395 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)))) [2018-12-09 09:23:22,395 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))) [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L235-1(lines 235 242) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L235-3(lines 235 242) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-09 09:23:22,395 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)) [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L444 ceAbstractionStarter]: At program point L176-2(lines 176 180) 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_~hb~0_38 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_38))) (and (bvslt .cse1 (_ bv2139095040 32)) (bvsgt .cse1 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_38) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_38) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_38)) |__ieee754_hypotf_#in~y|)))) (and .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))))) [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 176 180) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-12-09 09:23:22,395 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) .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__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))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34))))))) [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L185-3(lines 185 189) no Hoare annotation was computed. [2018-12-09 09:23:22,395 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-12-09 09:23:22,396 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_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|)))) [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L451 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 121 144) no Hoare annotation was computed. [2018-12-09 09:23:22,396 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) .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__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))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34))))))) [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-12-09 09:23:22,396 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-12-09 09:23:22,397 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))))) [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L444 ceAbstractionStarter]: At program point L182(line 182) 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_~hb~0_38 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_38))) (and (bvslt .cse1 (_ bv2139095040 32)) (bvsgt .cse1 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_38) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_38) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_38)) |__ieee754_hypotf_#in~y|)))) (and .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))))) [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) the Hoare annotation is: (let ((.cse0 (= __ieee754_hypotf_~a~0 (fp ((_ extract 31 31) __ieee754_hypotf_~ha~0) ((_ extract 30 23) __ieee754_hypotf_~ha~0) ((_ extract 22 0) __ieee754_hypotf_~ha~0)))) (.cse1 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse2 (exists ((v___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_35) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_35) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_35)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_35) (_ bv1484783616 32)))))) (.cse3 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) (.cse4 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((v___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_35) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_35) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_35)) |__ieee754_hypotf_#in~y|) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_35)))) (exists ((v___ieee754_hypotf_~hb~0_32 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_32)))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_30))) (exists ((v___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (and (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_35)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_35) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_35) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_35)) |__ieee754_hypotf_#in~y|)))))) [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 157 171) no Hoare annotation was computed. [2018-12-09 09:23:22,397 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-12-09 09:23:22,398 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) .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__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))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34))))))) [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-12-09 09:23:22,398 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) (and .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) (exists ((v___ieee754_hypotf_~hb~0_38 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_38))) (and (bvslt .cse1 (_ bv2139095040 32)) (bvsgt .cse1 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_38) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_38) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_38)) |__ieee754_hypotf_#in~y|))))))) [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2018-12-09 09:23:22,398 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_~hb~0_32 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_32))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__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))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34)))) (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_30))) (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)))))) [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-12-09 09:23:22,398 INFO L451 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: true [2018-12-09 09:23:22,398 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L451 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: true [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: true [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-09 09:23:22,399 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-12-09 09:23:22,404 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) [2018-12-09 09:23:22,405 INFO L168 Benchmark]: Toolchain (without parser) took 333100.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 266.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:23:22,406 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. [2018-12-09 09:23:22,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.07 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. [2018-12-09 09:23:22,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.47 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:23:22,406 INFO L168 Benchmark]: Boogie Preprocessor took 61.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:23:22,406 INFO L168 Benchmark]: RCFGBuilder took 1112.20 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: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:23:22,407 INFO L168 Benchmark]: TraceAbstraction took 331679.02 ms. Allocated memory was 1.2 GB in the beginning and 1.1 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: -38.3 MB). Peak memory consumption was 258.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:23:22,408 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 227.07 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 17.47 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1112.20 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: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 331679.02 ms. Allocated memory was 1.2 GB in the beginning and 1.1 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: -38.3 MB). Peak memory consumption was 258.7 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...