./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/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 1203da81dc5c48f4dda347acec83e1939b55600b ......................................................................................................................................................................................................................................................................................................................................................... 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_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/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 1203da81dc5c48f4dda347acec83e1939b55600b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:03:59,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:03:59,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:03:59,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:03:59,661 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:03:59,662 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:03:59,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:03:59,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:03:59,665 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:03:59,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:03:59,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:03:59,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:03:59,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:03:59,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:03:59,669 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:03:59,669 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:03:59,670 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:03:59,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:03:59,672 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:03:59,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:03:59,674 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:03:59,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:03:59,677 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:03:59,677 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:03:59,677 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:03:59,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:03:59,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:03:59,679 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:03:59,680 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:03:59,681 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:03:59,681 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:03:59,681 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:03:59,682 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:03:59,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:03:59,682 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:03:59,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:03:59,684 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 18:03:59,694 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:03:59,694 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:03:59,695 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:03:59,695 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 18:03:59,695 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 18:03:59,695 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 18:03:59,695 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 18:03:59,695 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 18:03:59,696 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 18:03:59,696 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 18:03:59,696 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 18:03:59,696 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 18:03:59,696 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 18:03:59,696 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:03:59,697 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:03:59,697 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:03:59,697 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:03:59,697 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:03:59,697 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:03:59,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:03:59,697 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:03:59,698 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:03:59,698 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:03:59,698 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:03:59,698 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:03:59,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:03:59,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 18:03:59,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:03:59,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 18:03:59,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:03:59,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:03:59,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:03:59,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:03:59,699 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 18:03:59,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:03:59,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:03:59,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 18:03:59,700 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_9e0b79e5-8a24-4062-83be-196d15afdc2a/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 -> 1203da81dc5c48f4dda347acec83e1939b55600b [2018-11-18 18:03:59,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:03:59,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:03:59,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:03:59,740 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:03:59,740 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:03:59,740 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270b_true-unreach-call.c [2018-11-18 18:03:59,780 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data/1007e5415/021cc0d06b2d4100b86124100b6e189c/FLAG4b89e736c [2018-11-18 18:04:00,140 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:04:00,141 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/sv-benchmarks/c/float-newlib/float_req_bl_1270b_true-unreach-call.c [2018-11-18 18:04:00,147 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data/1007e5415/021cc0d06b2d4100b86124100b6e189c/FLAG4b89e736c [2018-11-18 18:04:00,546 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data/1007e5415/021cc0d06b2d4100b86124100b6e189c [2018-11-18 18:04:00,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:04:00,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:04:00,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:04:00,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:04:00,554 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:04:00,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544e5471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00, skipping insertion in model container [2018-11-18 18:04:00,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:04:00,585 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:04:00,725 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:04:00,727 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:04:00,758 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:04:00,773 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:04:00,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00 WrapperNode [2018-11-18 18:04:00,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:04:00,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:04:00,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:04:00,775 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:04:00,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:04:00,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:04:00,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:04:00,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:04:00,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... [2018-11-18 18:04:00,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:04:00,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:04:00,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:04:00,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:04:00,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:04:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 18:04:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 18:04:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 18:04:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 18:04:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 18:04:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 18:04:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 18:04:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 18:04:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 18:04:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:04:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:04:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:04:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 18:04:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 18:04:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 18:04:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:04:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 18:04:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 18:04:01,305 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:04:01,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:01 BoogieIcfgContainer [2018-11-18 18:04:01,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:04:01,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 18:04:01,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 18:04:01,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 18:04:01,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:04:00" (1/3) ... [2018-11-18 18:04:01,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa2b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:04:01, skipping insertion in model container [2018-11-18 18:04:01,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:00" (2/3) ... [2018-11-18 18:04:01,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa2b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:04:01, skipping insertion in model container [2018-11-18 18:04:01,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:01" (3/3) ... [2018-11-18 18:04:01,311 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270b_true-unreach-call.c [2018-11-18 18:04:01,318 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 18:04:01,325 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 18:04:01,340 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 18:04:01,368 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 18:04:01,368 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 18:04:01,368 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 18:04:01,368 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 18:04:01,368 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 18:04:01,368 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 18:04:01,369 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 18:04:01,369 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 18:04:01,381 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-11-18 18:04:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 18:04:01,386 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:04:01,387 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:04:01,388 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:04:01,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:01,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1904118098, now seen corresponding path program 1 times [2018-11-18 18:04:01,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:04:01,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:01,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:04:01,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:01,426 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:04:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:04:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:04:01,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:04:01,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 18:04:01,496 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:04:01,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 18:04:01,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 18:04:01,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 18:04:01,509 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2018-11-18 18:04:01,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:04:01,535 INFO L93 Difference]: Finished difference Result 200 states and 317 transitions. [2018-11-18 18:04:01,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 18:04:01,536 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-11-18 18:04:01,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:04:01,543 INFO L225 Difference]: With dead ends: 200 [2018-11-18 18:04:01,544 INFO L226 Difference]: Without dead ends: 100 [2018-11-18 18:04:01,547 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 18:04:01,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-18 18:04:01,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-18 18:04:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 18:04:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2018-11-18 18:04:01,582 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 28 [2018-11-18 18:04:01,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:04:01,582 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2018-11-18 18:04:01,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 18:04:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2018-11-18 18:04:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 18:04:01,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:04:01,584 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:04:01,584 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:04:01,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:01,584 INFO L82 PathProgramCache]: Analyzing trace with hash 2078513152, now seen corresponding path program 1 times [2018-11-18 18:04:01,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:04:01,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:01,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:04:01,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:04:01,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:04:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:04:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:04:01,670 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 18:04:01,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:04:01 BoogieIcfgContainer [2018-11-18 18:04:01,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 18:04:01,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:04:01,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:04:01,696 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:04:01,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:01" (3/4) ... [2018-11-18 18:04:01,701 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 18:04:01,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:04:01,702 INFO L168 Benchmark]: Toolchain (without parser) took 1152.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -90.8 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:01,703 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:04:01,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.08 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 942.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:01,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:01,705 INFO L168 Benchmark]: Boogie Preprocessor took 33.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:01,706 INFO L168 Benchmark]: RCFGBuilder took 430.97 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:01,706 INFO L168 Benchmark]: TraceAbstraction took 389.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:04:01,707 INFO L168 Benchmark]: Witness Printer took 5.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:04:01,709 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.08 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 942.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 430.97 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 389.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 235]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 218. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418248, \old(tiny_sqrt)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L229] float x = -1.0f / 0.0f; [L230] float y = __VERIFIER_nondet_float(); [L232] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418245, \old(y)=10737418255, 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)=10737418245, \old(y)=10737418255, a=10737418245, b=10737418255, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L86] FCALL ieee_float_shape_type gf_u; [L87] FCALL gf_u.value = (x) [L88] EXPR, FCALL gf_u.word [L88] (ha) = gf_u.word [L89] COND FALSE !(0) VAL [\old(x)=10737418245, \old(y)=10737418255, a=10737418245, b=10737418255, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418245, \old(y)=10737418255, a=10737418245, b=10737418255, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L92] FCALL ieee_float_shape_type gf_u; [L93] FCALL gf_u.value = (y) [L94] EXPR, FCALL gf_u.word [L94] (hb) = gf_u.word [L95] COND FALSE !(0) VAL [\old(x)=10737418245, \old(y)=10737418255, a=10737418245, b=10737418255, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418245, \old(y)=10737418255, a=10737418245, b=10737418255, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418245, \old(y)=10737418255, a=10737418255, b=10737418245, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L108] FCALL ieee_float_shape_type sf_u; [L109] FCALL sf_u.word = (ha) [L110] EXPR, FCALL sf_u.value [L110] (a) = sf_u.value [L111] COND FALSE !(0) VAL [\old(x)=10737418245, \old(y)=10737418255, a=10737418247, b=10737418245, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L113] FCALL ieee_float_shape_type sf_u; [L114] FCALL sf_u.word = (hb) [L115] EXPR, FCALL sf_u.value [L115] (b) = sf_u.value [L116] COND FALSE !(0) VAL [\old(x)=10737418245, \old(y)=10737418255, a=10737418247, b=10737418259, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L117] COND TRUE (ha - hb) > 0xf000000L [L118] RET return a + b; VAL [\old(x)=10737418245, \old(y)=10737418255, a=10737418247, b=10737418259, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L232] EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L232] float res = __ieee754_hypotf(x, y); [L234] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L212] __int32_t ix; VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L214] FCALL ieee_float_shape_type gf_u; [L215] FCALL gf_u.value = (x) [L216] EXPR, FCALL gf_u.word [L216] (ix) = gf_u.word [L217] COND FALSE !(0) VAL [\old(x)=10737418243, ix=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L218] ix &= 0x7fffffff [L219] RET return ((ix) == 0x7f800000L); VAL [\old(x)=10737418243, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L234] EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] [L234] COND TRUE !isinf_float(res) [L235] __VERIFIER_error() VAL [one_sqrt=1, res=10737418243, tiny_sqrt=1/1000000000000000000000000000000, x=10737418245, y=10737418255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 104 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 126 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=104occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 18:04:03,260 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:04:03,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:04:03,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:04:03,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:04:03,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:04:03,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:04:03,274 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:04:03,275 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:04:03,276 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:04:03,276 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:04:03,277 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:04:03,277 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:04:03,278 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:04:03,280 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:04:03,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:04:03,281 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:04:03,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:04:03,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:04:03,285 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:04:03,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:04:03,286 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:04:03,288 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:04:03,288 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:04:03,288 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:04:03,289 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:04:03,290 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:04:03,291 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:04:03,292 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:04:03,292 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:04:03,293 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:04:03,293 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:04:03,293 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:04:03,293 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:04:03,294 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:04:03,295 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:04:03,296 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 18:04:03,307 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:04:03,307 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:04:03,308 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:04:03,308 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 18:04:03,308 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 18:04:03,308 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 18:04:03,309 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 18:04:03,309 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 18:04:03,309 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 18:04:03,309 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 18:04:03,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:04:03,310 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:04:03,310 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:04:03,310 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:04:03,311 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:04:03,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:04:03,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:04:03,312 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 18:04:03,312 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 18:04:03,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:04:03,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:04:03,313 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:04:03,313 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:04:03,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:04:03,313 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 18:04:03,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:04:03,313 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 18:04:03,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:04:03,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:04:03,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:04:03,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:04:03,314 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 18:04:03,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:04:03,314 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 18:04:03,315 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 18:04:03,315 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_9e0b79e5-8a24-4062-83be-196d15afdc2a/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 -> 1203da81dc5c48f4dda347acec83e1939b55600b [2018-11-18 18:04:03,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:04:03,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:04:03,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:04:03,364 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:04:03,365 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:04:03,365 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270b_true-unreach-call.c [2018-11-18 18:04:03,412 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data/b825b1013/c6dbd39f1ad049b5ab9e48a54a8d20a6/FLAGbca24aabd [2018-11-18 18:04:03,765 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:04:03,766 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/sv-benchmarks/c/float-newlib/float_req_bl_1270b_true-unreach-call.c [2018-11-18 18:04:03,770 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data/b825b1013/c6dbd39f1ad049b5ab9e48a54a8d20a6/FLAGbca24aabd [2018-11-18 18:04:03,782 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/data/b825b1013/c6dbd39f1ad049b5ab9e48a54a8d20a6 [2018-11-18 18:04:03,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:04:03,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:04:03,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:04:03,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:04:03,789 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:04:03,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:03" (1/1) ... [2018-11-18 18:04:03,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f8f505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:03, skipping insertion in model container [2018-11-18 18:04:03,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:04:03" (1/1) ... [2018-11-18 18:04:03,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:04:03,823 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:04:03,990 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:04:03,994 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:04:04,033 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:04:04,058 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:04:04,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04 WrapperNode [2018-11-18 18:04:04,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:04:04,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:04:04,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:04:04,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:04:04,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:04:04,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:04:04,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:04:04,089 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:04:04,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... [2018-11-18 18:04:04,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:04:04,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:04:04,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:04:04,181 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:04:04,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:04:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 18:04:04,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 18:04:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 18:04:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 18:04:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 18:04:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 18:04:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 18:04:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:04:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 18:04:04,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:04:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:04:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 18:04:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 18:04:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 18:04:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 18:04:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:04:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 18:04:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 18:04:04,489 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 18:04:04,651 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 18:04:05,693 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:04:05,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:05 BoogieIcfgContainer [2018-11-18 18:04:05,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:04:05,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 18:04:05,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 18:04:05,698 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 18:04:05,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:04:03" (1/3) ... [2018-11-18 18:04:05,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c659d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:04:05, skipping insertion in model container [2018-11-18 18:04:05,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:04:04" (2/3) ... [2018-11-18 18:04:05,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c659d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:04:05, skipping insertion in model container [2018-11-18 18:04:05,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:05" (3/3) ... [2018-11-18 18:04:05,701 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270b_true-unreach-call.c [2018-11-18 18:04:05,710 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 18:04:05,716 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 18:04:05,725 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 18:04:05,747 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 18:04:05,748 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 18:04:05,748 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 18:04:05,748 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 18:04:05,748 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 18:04:05,748 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 18:04:05,748 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 18:04:05,748 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 18:04:05,748 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 18:04:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-18 18:04:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 18:04:05,767 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:04:05,768 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:04:05,770 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:04:05,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:05,774 INFO L82 PathProgramCache]: Analyzing trace with hash 992188458, now seen corresponding path program 1 times [2018-11-18 18:04:05,777 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:04:05,777 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 18:04:05,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:04:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:04:05,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:04:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:04:05,868 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:04:05,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:04:05,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 18:04:05,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 18:04:05,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 18:04:05,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 18:04:05,889 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-11-18 18:04:05,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:04:05,917 INFO L93 Difference]: Finished difference Result 198 states and 315 transitions. [2018-11-18 18:04:05,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 18:04:05,918 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-11-18 18:04:05,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:04:05,925 INFO L225 Difference]: With dead ends: 198 [2018-11-18 18:04:05,925 INFO L226 Difference]: Without dead ends: 99 [2018-11-18 18:04:05,927 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 18:04:05,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-18 18:04:05,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-18 18:04:05,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 18:04:05,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2018-11-18 18:04:05,965 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 27 [2018-11-18 18:04:05,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:04:05,965 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2018-11-18 18:04:05,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 18:04:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2018-11-18 18:04:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 18:04:05,967 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:04:05,967 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:04:05,967 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:04:05,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:05,967 INFO L82 PathProgramCache]: Analyzing trace with hash 695116984, now seen corresponding path program 1 times [2018-11-18 18:04:05,968 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:04:05,968 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 18:04:05,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:04:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:04:06,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:04:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:04:08,708 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:04:08,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:04:08,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-18 18:04:08,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 18:04:08,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 18:04:08,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2018-11-18 18:04:08,724 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand 16 states. [2018-11-18 18:04:10,058 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-18 18:04:15,191 WARN L180 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-18 18:04:16,416 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-18 18:04:25,952 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-18 18:04:57,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:04:57,949 INFO L93 Difference]: Finished difference Result 162 states and 200 transitions. [2018-11-18 18:04:57,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 18:04:57,997 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2018-11-18 18:04:57,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:04:57,999 INFO L225 Difference]: With dead ends: 162 [2018-11-18 18:04:58,000 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 18:04:58,000 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2018-11-18 18:04:58,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 18:04:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 104. [2018-11-18 18:04:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 18:04:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2018-11-18 18:04:58,015 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 32 [2018-11-18 18:04:58,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:04:58,015 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2018-11-18 18:04:58,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 18:04:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2018-11-18 18:04:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 18:04:58,016 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:04:58,016 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:04:58,016 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:04:58,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:04:58,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1605705606, now seen corresponding path program 1 times [2018-11-18 18:04:58,017 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:04:58,017 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 18:04:58,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:04:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:04:58,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:04:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:04:58,433 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:04:58,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:04:58,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 18:04:58,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:04:58,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:04:58,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:04:58,453 INFO L87 Difference]: Start difference. First operand 104 states and 126 transitions. Second operand 9 states. [2018-11-18 18:05:50,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:50,615 INFO L93 Difference]: Finished difference Result 225 states and 273 transitions. [2018-11-18 18:05:50,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 18:05:50,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-18 18:05:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:50,664 INFO L225 Difference]: With dead ends: 225 [2018-11-18 18:05:50,664 INFO L226 Difference]: Without dead ends: 164 [2018-11-18 18:05:50,665 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-18 18:05:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-11-18 18:05:50,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 121. [2018-11-18 18:05:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 18:05:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 145 transitions. [2018-11-18 18:05:50,682 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 145 transitions. Word has length 32 [2018-11-18 18:05:50,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:50,682 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 145 transitions. [2018-11-18 18:05:50,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:05:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 145 transitions. [2018-11-18 18:05:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:05:50,683 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:50,683 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:50,684 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:50,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:50,684 INFO L82 PathProgramCache]: Analyzing trace with hash 465048743, now seen corresponding path program 1 times [2018-11-18 18:05:50,684 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:05:50,684 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 18:05:50,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:50,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:05:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:05:51,025 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:05:51,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:05:51,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 18:05:51,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 18:05:51,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 18:05:51,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-11-18 18:05:51,041 INFO L87 Difference]: Start difference. First operand 121 states and 145 transitions. Second operand 12 states. [2018-11-18 18:05:57,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:57,165 INFO L93 Difference]: Finished difference Result 168 states and 201 transitions. [2018-11-18 18:05:57,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 18:05:57,166 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-11-18 18:05:57,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:57,167 INFO L225 Difference]: With dead ends: 168 [2018-11-18 18:05:57,167 INFO L226 Difference]: Without dead ends: 160 [2018-11-18 18:05:57,168 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-11-18 18:05:57,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-18 18:05:57,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 124. [2018-11-18 18:05:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 18:05:57,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 150 transitions. [2018-11-18 18:05:57,187 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 150 transitions. Word has length 37 [2018-11-18 18:05:57,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:57,187 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 150 transitions. [2018-11-18 18:05:57,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 18:05:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 150 transitions. [2018-11-18 18:05:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:05:57,188 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:57,189 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:57,189 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:57,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:57,189 INFO L82 PathProgramCache]: Analyzing trace with hash -546068507, now seen corresponding path program 1 times [2018-11-18 18:05:57,189 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:05:57,190 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 18:05:57,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:57,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:05:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:05:57,725 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:05:57,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:05:57,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-18 18:05:57,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 18:05:57,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 18:05:57,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-18 18:05:57,736 INFO L87 Difference]: Start difference. First operand 124 states and 150 transitions. Second operand 15 states. [2018-11-18 18:06:31,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:06:31,194 INFO L93 Difference]: Finished difference Result 159 states and 189 transitions. [2018-11-18 18:06:31,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 18:06:31,195 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-11-18 18:06:31,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:06:31,197 INFO L225 Difference]: With dead ends: 159 [2018-11-18 18:06:31,197 INFO L226 Difference]: Without dead ends: 150 [2018-11-18 18:06:31,198 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-11-18 18:06:31,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-18 18:06:31,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 124. [2018-11-18 18:06:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 18:06:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2018-11-18 18:06:31,212 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 37 [2018-11-18 18:06:31,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:06:31,213 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2018-11-18 18:06:31,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 18:06:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2018-11-18 18:06:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:06:31,214 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:06:31,214 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:06:31,214 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:06:31,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:31,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1825932185, now seen corresponding path program 1 times [2018-11-18 18:06:31,215 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:06:31,215 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 18:06:31,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:06:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:31,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:06:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:31,397 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:06:31,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:06:31,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 18:06:31,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 18:06:31,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 18:06:31,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 18:06:31,408 INFO L87 Difference]: Start difference. First operand 124 states and 149 transitions. Second operand 7 states. [2018-11-18 18:06:54,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:06:54,457 INFO L93 Difference]: Finished difference Result 182 states and 215 transitions. [2018-11-18 18:06:54,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 18:06:54,504 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2018-11-18 18:06:54,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:06:54,505 INFO L225 Difference]: With dead ends: 182 [2018-11-18 18:06:54,505 INFO L226 Difference]: Without dead ends: 107 [2018-11-18 18:06:54,505 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-18 18:06:54,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-18 18:06:54,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-11-18 18:06:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-18 18:06:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2018-11-18 18:06:54,519 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 37 [2018-11-18 18:06:54,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:06:54,519 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2018-11-18 18:06:54,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 18:06:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2018-11-18 18:06:54,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:06:54,521 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:06:54,521 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:06:54,521 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:06:54,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:54,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2024480219, now seen corresponding path program 1 times [2018-11-18 18:06:54,522 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:06:54,522 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 18:06:54,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:06:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:54,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:06:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:54,869 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:06:54,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:06:54,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 18:06:54,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 18:06:54,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 18:06:54,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-18 18:06:54,878 INFO L87 Difference]: Start difference. First operand 107 states and 128 transitions. Second operand 11 states. [2018-11-18 18:07:21,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:21,650 INFO L93 Difference]: Finished difference Result 145 states and 170 transitions. [2018-11-18 18:07:21,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 18:07:21,698 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2018-11-18 18:07:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:21,699 INFO L225 Difference]: With dead ends: 145 [2018-11-18 18:07:21,699 INFO L226 Difference]: Without dead ends: 38 [2018-11-18 18:07:21,700 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-11-18 18:07:21,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-18 18:07:21,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-11-18 18:07:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-18 18:07:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-11-18 18:07:21,704 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 37 [2018-11-18 18:07:21,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:21,704 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-11-18 18:07:21,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 18:07:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-11-18 18:07:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:07:21,705 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:21,705 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:21,705 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:21,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:21,706 INFO L82 PathProgramCache]: Analyzing trace with hash 990623399, now seen corresponding path program 1 times [2018-11-18 18:07:21,706 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:07:21,706 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 18:07:21,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:21,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:07:22,261 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:07:22,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:07:22,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-18 18:07:22,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 18:07:22,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 18:07:22,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-11-18 18:07:22,271 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 16 states. [2018-11-18 18:07:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:23,895 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-11-18 18:07:23,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 18:07:23,896 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-11-18 18:07:23,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:23,897 INFO L225 Difference]: With dead ends: 46 [2018-11-18 18:07:23,897 INFO L226 Difference]: Without dead ends: 38 [2018-11-18 18:07:23,897 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2018-11-18 18:07:23,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-18 18:07:23,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-11-18 18:07:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-18 18:07:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 37 transitions. [2018-11-18 18:07:23,900 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 37 transitions. Word has length 37 [2018-11-18 18:07:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:23,901 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 37 transitions. [2018-11-18 18:07:23,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 18:07:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 37 transitions. [2018-11-18 18:07:23,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 18:07:23,901 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:23,901 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:23,901 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:23,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:23,902 INFO L82 PathProgramCache]: Analyzing trace with hash -20493851, now seen corresponding path program 1 times [2018-11-18 18:07:23,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:07:23,902 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/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 [2018-11-18 18:07:23,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:23,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:07:24,113 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:07:24,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:07:24,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 18:07:24,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 18:07:24,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 18:07:24,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 18:07:24,123 INFO L87 Difference]: Start difference. First operand 38 states and 37 transitions. Second operand 8 states. [2018-11-18 18:07:24,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:24,540 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2018-11-18 18:07:24,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 18:07:24,541 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-11-18 18:07:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:24,541 INFO L225 Difference]: With dead ends: 38 [2018-11-18 18:07:24,541 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 18:07:24,542 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 18:07:24,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 18:07:24,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 18:07:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 18:07:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 18:07:24,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-11-18 18:07:24,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:24,543 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 18:07:24,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 18:07:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 18:07:24,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:07:24,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 18:07:24,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:07:24,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:07:24,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:07:25,070 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 213 217) no Hoare annotation was computed. [2018-11-18 18:07:25,070 INFO L421 ceAbstractionStarter]: At program point L213-3(lines 213 217) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-18 18:07:25,070 INFO L425 ceAbstractionStarter]: For program point L213-4(lines 213 217) no Hoare annotation was computed. [2018-11-18 18:07:25,071 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 211 220) the Hoare annotation is: true [2018-11-18 18:07:25,071 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 211 220) no Hoare annotation was computed. [2018-11-18 18:07:25,071 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 211 220) no Hoare annotation was computed. [2018-11-18 18:07:25,071 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 18:07:25,071 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 18:07:25,071 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 18:07:25,071 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 18:07:25,071 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 18:07:25,071 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 18:07:25,071 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 18:07:25,071 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 222 239) the Hoare annotation is: true [2018-11-18 18:07:25,072 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 222 239) no Hoare annotation was computed. [2018-11-18 18:07:25,072 INFO L425 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2018-11-18 18:07:25,072 INFO L421 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (and (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (and (= (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_27) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_27) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_27)))))) [2018-11-18 18:07:25,072 INFO L425 ceAbstractionStarter]: For program point L234-1(lines 234 237) no Hoare annotation was computed. [2018-11-18 18:07:25,072 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 222 239) no Hoare annotation was computed. [2018-11-18 18:07:25,072 INFO L421 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-11-18 18:07:25,072 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2018-11-18 18:07:25,072 INFO L425 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2018-11-18 18:07:25,072 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L421 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L421 ceAbstractionStarter]: At program point L185-3(lines 185 189) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point L185-4(lines 185 189) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-11-18 18:07:25,073 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L139-2(lines 121 144) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L421 ceAbstractionStarter]: At program point L91-3(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (and (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_29) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_29) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_29)) |__ieee754_hypotf_#in~x|)))) [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L91-4(lines 91 95) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-11-18 18:07:25,074 INFO L421 ceAbstractionStarter]: At program point L191-3(lines 191 195) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,074 INFO L425 ceAbstractionStarter]: For program point L191-4(lines 191 195) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L421 ceAbstractionStarter]: At program point L176-3(lines 176 180) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L176-4(lines 176 180) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L421 ceAbstractionStarter]: At program point L161-3(lines 161 165) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:07:25,075 INFO L425 ceAbstractionStarter]: For program point L112-3(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:07:25,076 INFO L428 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-11-18 18:07:25,076 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-11-18 18:07:25,076 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-11-18 18:07:25,076 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,076 INFO L425 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-18 18:07:25,076 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-11-18 18:07:25,076 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,076 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-18 18:07:25,076 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-11-18 18:07:25,076 INFO L421 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,076 INFO L425 ceAbstractionStarter]: For program point L149-4(lines 149 153) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L166-2(lines 157 171) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L421 ceAbstractionStarter]: At program point L200-3(lines 200 204) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L200-4(lines 200 204) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (and (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28) (_ bv2155872256 32)) (_ bv0 32))) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_28) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_28) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_28))))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-18 18:07:25,077 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L428 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: true [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L428 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: true [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-18 18:07:25,078 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-18 18:07:25,079 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-18 18:07:25,079 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-11-18 18:07:25,079 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: true [2018-11-18 18:07:25,079 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-11-18 18:07:25,079 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-18 18:07:25,079 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-18 18:07:25,079 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-18 18:07:25,079 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-18 18:07:25,079 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-18 18:07:25,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,090 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,090 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,091 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,092 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,093 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,099 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,099 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,099 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,099 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,100 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,100 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,100 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,100 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,100 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,101 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,101 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,101 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,101 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,101 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,101 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,101 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,102 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,102 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,102 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,102 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:07:25 BoogieIcfgContainer [2018-11-18 18:07:25,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 18:07:25,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:07:25,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:07:25,105 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:07:25,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:04:05" (3/4) ... [2018-11-18 18:07:25,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:07:25,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-18 18:07:25,114 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 18:07:25,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 18:07:25,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_hypotf [2018-11-18 18:07:25,115 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-18 18:07:25,121 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2018-11-18 18:07:25,121 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-18 18:07:25,121 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 18:07:25,122 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 18:07:25,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 18:07:25,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 18:07:25,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_29[31:31], v___ieee754_hypotf_~ha~0_29[30:23], v___ieee754_hypotf_~ha~0_29[22:0]) == \old(x)) [2018-11-18 18:07:25,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x [2018-11-18 18:07:25,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x [2018-11-18 18:07:25,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x [2018-11-18 18:07:25,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x [2018-11-18 18:07:25,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x [2018-11-18 18:07:25,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x [2018-11-18 18:07:25,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x [2018-11-18 18:07:25,180 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9e0b79e5-8a24-4062-83be-196d15afdc2a/bin-2019/utaipan/witness.graphml [2018-11-18 18:07:25,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:07:25,181 INFO L168 Benchmark]: Toolchain (without parser) took 201396.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 949.7 MB in the beginning and 969.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 164.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:07:25,181 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:07:25,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.64 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:07:25,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.41 ms. Allocated memory is still 1.0 GB. Free memory is still 928.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:07:25,182 INFO L168 Benchmark]: Boogie Preprocessor took 91.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 928.2 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:07:25,182 INFO L168 Benchmark]: RCFGBuilder took 1513.21 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: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:07:25,182 INFO L168 Benchmark]: TraceAbstraction took 199409.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 984.8 MB in the end (delta: 77.7 MB). Peak memory consumption was 138.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:07:25,182 INFO L168 Benchmark]: Witness Printer took 74.98 ms. Allocated memory is still 1.2 GB. Free memory was 984.8 MB in the beginning and 969.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:07:25,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.64 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.41 ms. Allocated memory is still 1.0 GB. Free memory is still 928.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 928.2 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1513.21 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: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 199409.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 984.8 MB in the end (delta: 77.7 MB). Peak memory consumption was 138.0 MB. Max. memory is 11.5 GB. * Witness Printer took 74.98 ms. Allocated memory is still 1.2 GB. Free memory was 984.8 MB in the beginning and 969.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 235]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 149]: Loop Invariant [2018-11-18 18:07:25,188 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,188 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,188 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,188 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] Derived loop invariant: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant [2018-11-18 18:07:25,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,189 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,190 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] Derived loop invariant: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant [2018-11-18 18:07:25,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,191 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] Derived loop invariant: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x - InvariantResult [Line: 134]: Loop Invariant [2018-11-18 18:07:25,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,192 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,193 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] Derived loop invariant: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x - InvariantResult [Line: 91]: Loop Invariant [2018-11-18 18:07:25,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,194 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] [2018-11-18 18:07:25,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_29,QUANTIFIED] Derived loop invariant: \old(x) == x && (\exists v___ieee754_hypotf_~ha~0_29 : bv32 :: ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_29) && ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_29[31:31], v___ieee754_hypotf_~ha~0_29[30:23], v___ieee754_hypotf_~ha~0_29[22:0]) == \old(x)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 176]: Loop Invariant [2018-11-18 18:07:25,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,195 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,196 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] Derived loop invariant: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant [2018-11-18 18:07:25,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,197 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] Derived loop invariant: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x - InvariantResult [Line: 161]: Loop Invariant [2018-11-18 18:07:25,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,198 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] [2018-11-18 18:07:25,199 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_28,QUANTIFIED] Derived loop invariant: (\exists v___ieee754_hypotf_~ha~0_28 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_28), 2155872256bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v___ieee754_hypotf_~ha~0_28[31:31], v___ieee754_hypotf_~ha~0_28[30:23], v___ieee754_hypotf_~ha~0_28[22:0])) && \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 103 locations, 1 error locations. SAFE Result, 199.3s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 193.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 856 SDtfs, 1168 SDslu, 5497 SDs, 0 SdLazy, 1822 SolverSat, 104 SolverUnsat, 74 SolverUnknown, 0 SolverNotchecked, 182.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 366 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 156 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 101 PreInvPairs, 198 NumberOfFragments, 295 HoareAnnotationTreeSize, 101 FomulaSimplifications, 40425 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 630 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 313 NumberOfCodeBlocks, 313 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 304 ConstructedInterpolants, 126 QuantifiedInterpolants, 113750 SizeOfPredicates, 47 NumberOfNonLiveVariables, 948 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...