./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/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 61816a63e70562669051a12493c2c5215c575cb7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/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 61816a63e70562669051a12493c2c5215c575cb7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:24:19,417 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:24:19,419 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:24:19,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:24:19,427 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:24:19,428 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:24:19,429 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:24:19,430 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:24:19,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:24:19,431 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:24:19,432 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:24:19,432 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:24:19,433 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:24:19,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:24:19,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:24:19,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:24:19,435 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:24:19,436 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:24:19,438 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:24:19,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:24:19,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:24:19,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:24:19,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:24:19,442 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:24:19,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:24:19,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:24:19,443 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:24:19,444 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:24:19,444 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:24:19,445 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:24:19,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:24:19,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:24:19,446 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:24:19,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:24:19,447 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:24:19,447 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:24:19,447 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 02:24:19,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:24:19,457 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:24:19,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:24:19,458 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 02:24:19,458 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 02:24:19,458 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 02:24:19,458 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 02:24:19,458 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 02:24:19,459 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 02:24:19,459 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 02:24:19,459 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 02:24:19,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:24:19,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:24:19,460 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:24:19,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:24:19,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:24:19,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:24:19,460 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:24:19,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:24:19,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:24:19,460 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:24:19,461 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:24:19,461 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:24:19,461 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:24:19,461 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:24:19,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:24:19,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:24:19,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:24:19,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:24:19,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:24:19,461 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 02:24:19,462 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:24:19,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:24:19,462 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 02:24:19,462 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_378d993f-785a-467a-8242-9c02813b0e14/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 -> 61816a63e70562669051a12493c2c5215c575cb7 [2018-11-10 02:24:19,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:24:19,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:24:19,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:24:19,493 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:24:19,493 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:24:19,494 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072a_true-unreach-call.c [2018-11-10 02:24:19,528 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data/2bf6c1dcf/94ce71b215184f3fabcfbc6ee528425b/FLAG08f7e948b [2018-11-10 02:24:19,924 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:24:19,925 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/sv-benchmarks/c/float-newlib/float_req_bl_1072a_true-unreach-call.c [2018-11-10 02:24:19,930 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data/2bf6c1dcf/94ce71b215184f3fabcfbc6ee528425b/FLAG08f7e948b [2018-11-10 02:24:19,939 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data/2bf6c1dcf/94ce71b215184f3fabcfbc6ee528425b [2018-11-10 02:24:19,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:24:19,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:24:19,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:24:19,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:24:19,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:24:19,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:24:19" (1/1) ... [2018-11-10 02:24:19,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3f9412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:19, skipping insertion in model container [2018-11-10 02:24:19,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:24:19" (1/1) ... [2018-11-10 02:24:19,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:24:19,967 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:24:20,072 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:24:20,074 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:24:20,090 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:24:20,103 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:24:20,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20 WrapperNode [2018-11-10 02:24:20,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:24:20,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:24:20,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:24:20,104 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:24:20,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:24:20,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:24:20,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:24:20,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:24:20,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... [2018-11-10 02:24:20,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:24:20,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:24:20,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:24:20,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:24:20,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:24:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:24:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:24:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:24:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:24:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 02:24:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 02:24:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:24:20,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:24:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-10 02:24:20,231 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-10 02:24:20,474 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:24:20,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:24:20 BoogieIcfgContainer [2018-11-10 02:24:20,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:24:20,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:24:20,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:24:20,477 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:24:20,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:24:19" (1/3) ... [2018-11-10 02:24:20,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c97281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:24:20, skipping insertion in model container [2018-11-10 02:24:20,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:20" (2/3) ... [2018-11-10 02:24:20,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c97281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:24:20, skipping insertion in model container [2018-11-10 02:24:20,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:24:20" (3/3) ... [2018-11-10 02:24:20,480 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a_true-unreach-call.c [2018-11-10 02:24:20,485 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:24:20,491 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:24:20,500 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:24:20,520 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:24:20,521 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:24:20,521 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:24:20,521 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:24:20,521 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:24:20,521 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:24:20,521 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:24:20,521 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:24:20,532 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-10 02:24:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 02:24:20,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:24:20,537 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] [2018-11-10 02:24:20,538 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:24:20,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:24:20,542 INFO L82 PathProgramCache]: Analyzing trace with hash 2137295797, now seen corresponding path program 1 times [2018-11-10 02:24:20,543 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 02:24:20,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:24:20,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:24:20,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:24:20,580 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 02:24:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:24:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:24:20,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:24:20,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 02:24:20,634 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 02:24:20,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 02:24:20,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 02:24:20,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 02:24:20,649 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-11-10 02:24:20,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:24:20,663 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2018-11-10 02:24:20,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 02:24:20,664 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-10 02:24:20,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:24:20,668 INFO L225 Difference]: With dead ends: 66 [2018-11-10 02:24:20,668 INFO L226 Difference]: Without dead ends: 33 [2018-11-10 02:24:20,670 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 02:24:20,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-10 02:24:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-10 02:24:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-10 02:24:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-11-10 02:24:20,692 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 24 [2018-11-10 02:24:20,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:24:20,692 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-11-10 02:24:20,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 02:24:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-11-10 02:24:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 02:24:20,693 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:24:20,693 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] [2018-11-10 02:24:20,694 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:24:20,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:24:20,694 INFO L82 PathProgramCache]: Analyzing trace with hash 428472476, now seen corresponding path program 1 times [2018-11-10 02:24:20,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 02:24:20,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:24:20,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:24:20,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:24:20,696 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 02:24:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:24:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:24:20,790 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 02:24:20,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,804 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,804 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,804 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,804 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,804 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,805 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,805 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,805 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,805 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,805 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,805 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,806 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,806 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,806 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,806 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,806 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,807 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,807 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,807 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,807 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,807 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,808 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,808 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,808 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,808 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,808 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,808 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,809 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 02:24:20,809 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 02:24:20,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:24:20 BoogieIcfgContainer [2018-11-10 02:24:20,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:24:20,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:24:20,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:24:20,820 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:24:20,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:24:20" (3/4) ... [2018-11-10 02:24:20,823 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 02:24:20,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:24:20,824 INFO L168 Benchmark]: Toolchain (without parser) took 881.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:20,825 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:24:20,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.05 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:20,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:20,826 INFO L168 Benchmark]: Boogie Preprocessor took 20.42 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:24:20,826 INFO L168 Benchmark]: RCFGBuilder took 325.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:20,827 INFO L168 Benchmark]: TraceAbstraction took 343.97 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:20,827 INFO L168 Benchmark]: Witness Printer took 3.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:24:20,829 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.05 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.42 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 325.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 343.97 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 38, overapproximation of bitwiseAnd at line 51. Possible FailurePath: [L62] float x = 1.0f / 0.0f; [L63] CALL, EXPR trunc_float(x) [L13] __int32_t signbit, w, exponent_less_127; [L15] CALL ieee_float_shape_type gf_u; [L15] RET ieee_float_shape_type gf_u; [L16] CALL gf_u.value = (x) [L16] RET gf_u.value = (x) [L17] CALL, EXPR gf_u.word [L17] RET, EXPR gf_u.word [L17] (w) = gf_u.word [L17] RET (w) = gf_u.word [L18] COND FALSE !(0) [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] RET return x + x; [L63] EXPR trunc_float(x) VAL [trunc_float(x)=10737418241, x=10737418247] [L63] float res = trunc_float(x); [L66] CALL, EXPR isinf_float(res) [L45] __int32_t ix; [L47] CALL ieee_float_shape_type gf_u; [L47] RET ieee_float_shape_type gf_u; [L48] CALL gf_u.value = (x) [L48] RET gf_u.value = (x) [L49] CALL, EXPR gf_u.word [L49] RET, EXPR gf_u.word [L49] (ix) = gf_u.word [L49] RET (ix) = gf_u.word [L50] COND FALSE !(0) [L51] ix &= 0x7fffffff [L52] RET return ((ix) == 0x7f800000L); [L66] EXPR isinf_float(res) VAL [isinf_float(res)=0, res=10737418241, x=10737418247] [L66] COND TRUE !isinf_float(res) [L67] __VERIFIER_error() VAL [res=10737418241, x=10737418247] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 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=37occurred 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, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:24:22,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:24:22,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:24:22,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:24:22,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:24:22,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:24:22,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:24:22,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:24:22,222 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:24:22,222 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:24:22,223 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:24:22,223 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:24:22,224 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:24:22,224 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:24:22,225 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:24:22,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:24:22,226 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:24:22,227 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:24:22,229 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:24:22,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:24:22,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:24:22,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:24:22,232 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:24:22,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:24:22,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:24:22,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:24:22,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:24:22,235 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:24:22,235 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:24:22,236 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:24:22,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:24:22,237 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:24:22,237 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:24:22,237 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:24:22,237 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:24:22,238 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:24:22,238 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 02:24:22,248 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:24:22,248 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:24:22,249 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:24:22,249 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 02:24:22,249 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 02:24:22,249 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 02:24:22,250 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 02:24:22,250 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 02:24:22,250 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:24:22,250 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:24:22,251 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:24:22,251 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:24:22,251 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:24:22,251 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:24:22,251 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:24:22,251 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 02:24:22,252 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 02:24:22,252 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:24:22,252 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:24:22,252 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:24:22,252 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:24:22,252 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:24:22,252 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:24:22,253 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 02:24:22,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:24:22,253 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:24:22,253 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:24:22,253 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:24:22,253 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 02:24:22,254 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:24:22,254 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 02:24:22,254 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 02:24:22,254 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_378d993f-785a-467a-8242-9c02813b0e14/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 -> 61816a63e70562669051a12493c2c5215c575cb7 [2018-11-10 02:24:22,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:24:22,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:24:22,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:24:22,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:24:22,297 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:24:22,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072a_true-unreach-call.c [2018-11-10 02:24:22,342 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data/e90c01f65/914387d1bd524763bc581fffaecee92e/FLAG126901bba [2018-11-10 02:24:22,657 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:24:22,657 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/sv-benchmarks/c/float-newlib/float_req_bl_1072a_true-unreach-call.c [2018-11-10 02:24:22,662 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data/e90c01f65/914387d1bd524763bc581fffaecee92e/FLAG126901bba [2018-11-10 02:24:22,670 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/data/e90c01f65/914387d1bd524763bc581fffaecee92e [2018-11-10 02:24:22,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:24:22,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:24:22,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:24:22,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:24:22,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:24:22,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98713a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22, skipping insertion in model container [2018-11-10 02:24:22,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:24:22,697 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:24:22,806 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:24:22,810 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:24:22,828 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:24:22,843 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:24:22,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22 WrapperNode [2018-11-10 02:24:22,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:24:22,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:24:22,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:24:22,845 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:24:22,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:24:22,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:24:22,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:24:22,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:24:22,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... [2018-11-10 02:24:22,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:24:22,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:24:22,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:24:22,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:24:22,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 02:24:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 02:24:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 02:24:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 02:24:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 02:24:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 02:24:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 02:24:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:24:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:24:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-10 02:24:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-10 02:24:23,111 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 02:24:23,158 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 02:24:23,270 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:24:23,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:24:23 BoogieIcfgContainer [2018-11-10 02:24:23,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:24:23,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 02:24:23,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 02:24:23,274 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 02:24:23,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:24:22" (1/3) ... [2018-11-10 02:24:23,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72964eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:24:23, skipping insertion in model container [2018-11-10 02:24:23,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:24:22" (2/3) ... [2018-11-10 02:24:23,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72964eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:24:23, skipping insertion in model container [2018-11-10 02:24:23,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:24:23" (3/3) ... [2018-11-10 02:24:23,276 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a_true-unreach-call.c [2018-11-10 02:24:23,282 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 02:24:23,287 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 02:24:23,298 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 02:24:23,316 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 02:24:23,317 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 02:24:23,317 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 02:24:23,317 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 02:24:23,317 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:24:23,317 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:24:23,317 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 02:24:23,317 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:24:23,317 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 02:24:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-10 02:24:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 02:24:23,330 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:24:23,330 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] [2018-11-10 02:24:23,332 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:24:23,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:24:23,336 INFO L82 PathProgramCache]: Analyzing trace with hash 2111365157, now seen corresponding path program 1 times [2018-11-10 02:24:23,338 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 02:24:23,338 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 02:24:23,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:24:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:24:23,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:24:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:24:23,409 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 02:24:23,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:24:23,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 02:24:23,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 02:24:23,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 02:24:23,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 02:24:23,431 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-11-10 02:24:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:24:23,446 INFO L93 Difference]: Finished difference Result 64 states and 87 transitions. [2018-11-10 02:24:23,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 02:24:23,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-10 02:24:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:24:23,452 INFO L225 Difference]: With dead ends: 64 [2018-11-10 02:24:23,452 INFO L226 Difference]: Without dead ends: 32 [2018-11-10 02:24:23,455 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 02:24:23,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-10 02:24:23,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-10 02:24:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-10 02:24:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-11-10 02:24:23,477 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 23 [2018-11-10 02:24:23,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:24:23,477 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-11-10 02:24:23,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 02:24:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-11-10 02:24:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 02:24:23,478 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:24:23,478 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] [2018-11-10 02:24:23,478 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:24:23,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:24:23,479 INFO L82 PathProgramCache]: Analyzing trace with hash 340228539, now seen corresponding path program 1 times [2018-11-10 02:24:23,479 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 02:24:23,479 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 02:24:23,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:24:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:24:23,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:24:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:24:23,642 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 02:24:23,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:24:23,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 02:24:23,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 02:24:23,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 02:24:23,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 02:24:23,655 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 6 states. [2018-11-10 02:24:23,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:24:23,834 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-11-10 02:24:23,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 02:24:23,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-10 02:24:23,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:24:23,837 INFO L225 Difference]: With dead ends: 48 [2018-11-10 02:24:23,837 INFO L226 Difference]: Without dead ends: 35 [2018-11-10 02:24:23,837 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-10 02:24:23,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-10 02:24:23,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2018-11-10 02:24:23,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-10 02:24:23,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-11-10 02:24:23,842 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 25 [2018-11-10 02:24:23,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:24:23,842 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-11-10 02:24:23,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 02:24:23,842 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-11-10 02:24:23,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 02:24:23,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:24:23,843 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] [2018-11-10 02:24:23,843 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:24:23,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:24:23,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1691239600, now seen corresponding path program 1 times [2018-11-10 02:24:23,844 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 02:24:23,844 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-10 02:24:23,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:24:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:24:23,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:24:24,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:24:24,060 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 02:24:24,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:24:24,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 02:24:24,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 02:24:24,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 02:24:24,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-10 02:24:24,073 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 11 states. [2018-11-10 02:24:24,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:24:24,448 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-11-10 02:24:24,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 02:24:24,449 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-11-10 02:24:24,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:24:24,450 INFO L225 Difference]: With dead ends: 40 [2018-11-10 02:24:24,450 INFO L226 Difference]: Without dead ends: 31 [2018-11-10 02:24:24,450 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-10 02:24:24,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-10 02:24:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-10 02:24:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-10 02:24:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-11-10 02:24:24,457 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 26 [2018-11-10 02:24:24,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:24:24,457 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-11-10 02:24:24,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 02:24:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-11-10 02:24:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 02:24:24,458 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 02:24:24,458 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] [2018-11-10 02:24:24,458 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 02:24:24,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:24:24,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1613159138, now seen corresponding path program 1 times [2018-11-10 02:24:24,458 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 02:24:24,458 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 02:24:24,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:24:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:24:24,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 02:24:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:24:24,589 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 02:24:24,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 02:24:24,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 02:24:24,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 02:24:24,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 02:24:24,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 02:24:24,598 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-11-10 02:24:24,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 02:24:24,814 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-11-10 02:24:24,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 02:24:24,814 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-10 02:24:24,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 02:24:24,815 INFO L225 Difference]: With dead ends: 31 [2018-11-10 02:24:24,815 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 02:24:24,815 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 02:24:24,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 02:24:24,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 02:24:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 02:24:24,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 02:24:24,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-11-10 02:24:24,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 02:24:24,816 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 02:24:24,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 02:24:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 02:24:24,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 02:24:24,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 02:24:24,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 02:24:24,930 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 02:24:24,930 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 02:24:24,930 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 44 53) the Hoare annotation is: true [2018-11-10 02:24:24,930 INFO L425 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-11-10 02:24:24,930 INFO L421 ceAbstractionStarter]: At program point L46-3(lines 46 50) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-10 02:24:24,930 INFO L425 ceAbstractionStarter]: For program point L46-4(lines 46 50) no Hoare annotation was computed. [2018-11-10 02:24:24,930 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 44 53) no Hoare annotation was computed. [2018-11-10 02:24:24,930 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 44 53) no Hoare annotation was computed. [2018-11-10 02:24:24,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 02:24:24,931 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 02:24:24,931 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 02:24:24,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 02:24:24,931 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2018-11-10 02:24:24,931 INFO L421 ceAbstractionStarter]: At program point L63(line 63) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-11-10 02:24:24,931 INFO L425 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-11-10 02:24:24,931 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 55 72) the Hoare annotation is: true [2018-11-10 02:24:24,931 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 55 72) no Hoare annotation was computed. [2018-11-10 02:24:24,932 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 55 72) no Hoare annotation was computed. [2018-11-10 02:24:24,932 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-10 02:24:24,932 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= .cse0 main_~res~0))) [2018-11-10 02:24:24,932 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2018-11-10 02:24:24,932 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-10 02:24:24,932 INFO L425 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 12 41) no Hoare annotation was computed. [2018-11-10 02:24:24,932 INFO L421 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd trunc_float_~exponent_less_127~0 (_ bv127 32)) (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32))))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (bvslt (bvadd (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32))))) [2018-11-10 02:24:24,932 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-10 02:24:24,933 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 39) no Hoare annotation was computed. [2018-11-10 02:24:24,933 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2018-11-10 02:24:24,933 INFO L428 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 12 41) the Hoare annotation is: true [2018-11-10 02:24:24,933 INFO L425 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 12 41) no Hoare annotation was computed. [2018-11-10 02:24:24,933 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2018-11-10 02:24:24,933 INFO L421 ceAbstractionStarter]: At program point L30-3(lines 30 34) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd trunc_float_~exponent_less_127~0 (_ bv127 32)) (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32))))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (bvslt (bvadd (bvashr (bvand trunc_float_~w~0 (_ bv2139095040 32)) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32))))) [2018-11-10 02:24:24,933 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 35) no Hoare annotation was computed. [2018-11-10 02:24:24,933 INFO L425 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-11-10 02:24:24,933 INFO L421 ceAbstractionStarter]: At program point L14-3(lines 14 18) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-11-10 02:24:24,934 INFO L425 ceAbstractionStarter]: For program point L14-4(lines 14 18) no Hoare annotation was computed. [2018-11-10 02:24:24,941 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,942 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,943 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,944 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,945 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,946 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,947 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,948 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:24,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:24:24 BoogieIcfgContainer [2018-11-10 02:24:24,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 02:24:24,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:24:24,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:24:24,951 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:24:24,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:24:23" (3/4) ... [2018-11-10 02:24:24,954 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 02:24:24,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 02:24:24,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-10 02:24:24,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 02:24:24,960 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-11-10 02:24:24,964 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2018-11-10 02:24:24,965 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-10 02:24:24,965 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 02:24:24,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-10 02:24:24,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 02:24:24,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 23bv32)) [2018-11-10 02:24:24,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 23bv32)) [2018-11-10 02:24:25,002 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_378d993f-785a-467a-8242-9c02813b0e14/bin-2019/utaipan/witness.graphml [2018-11-10 02:24:25,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:24:25,003 INFO L168 Benchmark]: Toolchain (without parser) took 2330.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.7 MB in the beginning and 923.7 MB in the end (delta: 25.0 MB). Peak memory consumption was 155.0 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:25,003 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:24:25,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.12 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:25,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.21 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:24:25,004 INFO L168 Benchmark]: Boogie Preprocessor took 21.33 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:24:25,006 INFO L168 Benchmark]: RCFGBuilder took 373.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:25,006 INFO L168 Benchmark]: TraceAbstraction took 1679.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.7 MB in the end (delta: 177.2 MB). Peak memory consumption was 177.2 MB. Max. memory is 11.5 GB. [2018-11-10 02:24:25,007 INFO L168 Benchmark]: Witness Printer took 51.05 ms. Allocated memory is still 1.2 GB. Free memory is still 923.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:24:25,008 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.12 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.21 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.33 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 373.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1679.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.7 MB in the end (delta: 177.2 MB). Peak memory consumption was 177.2 MB. Max. memory is 11.5 GB. * Witness Printer took 51.05 ms. Allocated memory is still 1.2 GB. Free memory is still 923.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: 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: 14]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 30]: Loop Invariant [2018-11-10 02:24:25,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,011 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,012 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,012 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,012 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,012 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,013 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,014 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 23bv32)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 24]: Loop Invariant [2018-11-10 02:24:25,014 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,014 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,015 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,016 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-10 02:24:25,017 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(exponent_less_127, 127bv32) == ~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(trunc_float_~w~0, 2139095040bv32), 23bv32), 4294967169bv32), 23bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 74 SDslu, 320 SDs, 0 SdLazy, 135 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 18 PreInvPairs, 23 NumberOfFragments, 143 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 11 QuantifiedInterpolants, 11867 SizeOfPredicates, 28 NumberOfNonLiveVariables, 383 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...