./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/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 cc541d75f5affce4b825454cfd79356341e493a9 ............................................................................................................................................................................................................................................................................................................................................................. 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_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/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 cc541d75f5affce4b825454cfd79356341e493a9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:22:56,512 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:22:56,513 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:22:56,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:22:56,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:22:56,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:22:56,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:22:56,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:22:56,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:22:56,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:22:56,528 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:22:56,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:22:56,529 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:22:56,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:22:56,530 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:22:56,531 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:22:56,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:22:56,533 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:22:56,534 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:22:56,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:22:56,536 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:22:56,537 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:22:56,538 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:22:56,538 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:22:56,538 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:22:56,539 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:22:56,540 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:22:56,540 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:22:56,541 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:22:56,541 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:22:56,541 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:22:56,542 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:22:56,542 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:22:56,542 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:22:56,543 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:22:56,543 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:22:56,543 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 13:22:56,550 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:22:56,550 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:22:56,550 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:22:56,551 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:22:56,551 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:22:56,551 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:22:56,551 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:22:56,551 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 13:22:56,551 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:22:56,551 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:22:56,551 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 13:22:56,551 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 13:22:56,552 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:22:56,552 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:22:56,552 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:22:56,552 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:22:56,552 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:22:56,552 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:22:56,553 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:22:56,553 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:22:56,553 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:22:56,553 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:22:56,553 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:22:56,553 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:22:56,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:22:56,553 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:22:56,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:22:56,554 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:22:56,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:22:56,554 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:22:56,554 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:22:56,554 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:22:56,554 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 13:22:56,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:22:56,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:22:56,554 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 13:22:56,555 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_0419b9bf-bde2-4c7b-8484-13334d85bcf9/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 -> cc541d75f5affce4b825454cfd79356341e493a9 [2018-12-09 13:22:56,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:22:56,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:22:56,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:22:56,581 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:22:56,582 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:22:56,582 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-12-09 13:22:56,621 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data/70eefde3c/e7e44437df564ae8b5b1c765069f95b0/FLAGf3aa36884 [2018-12-09 13:22:56,963 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:22:56,964 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-12-09 13:22:56,968 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data/70eefde3c/e7e44437df564ae8b5b1c765069f95b0/FLAGf3aa36884 [2018-12-09 13:22:56,977 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data/70eefde3c/e7e44437df564ae8b5b1c765069f95b0 [2018-12-09 13:22:56,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:22:56,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:22:56,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:22:56,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:22:56,982 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:22:56,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:22:56" (1/1) ... [2018-12-09 13:22:56,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7d0136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:56, skipping insertion in model container [2018-12-09 13:22:56,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:22:56" (1/1) ... [2018-12-09 13:22:56,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:22:57,001 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:22:57,106 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:22:57,109 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:22:57,134 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:22:57,177 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:22:57,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57 WrapperNode [2018-12-09 13:22:57,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:22:57,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:22:57,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:22:57,178 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:22:57,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:22:57,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:22:57,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:22:57,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:22:57,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... [2018-12-09 13:22:57,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:22:57,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:22:57,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:22:57,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:22:57,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:22:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-12-09 13:22:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-12-09 13:22:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 13:22:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 13:22:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-09 13:22:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-09 13:22:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 13:22:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 13:22:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:22:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:22:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 13:22:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 13:22:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:22:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:22:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 13:22:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:22:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:22:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:22:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 13:22:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 13:22:57,505 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:22:57,505 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 13:22:57,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:22:57 BoogieIcfgContainer [2018-12-09 13:22:57,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:22:57,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:22:57,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:22:57,509 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:22:57,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:22:56" (1/3) ... [2018-12-09 13:22:57,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac16727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:22:57, skipping insertion in model container [2018-12-09 13:22:57,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:57" (2/3) ... [2018-12-09 13:22:57,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac16727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:22:57, skipping insertion in model container [2018-12-09 13:22:57,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:22:57" (3/3) ... [2018-12-09 13:22:57,512 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a_true-unreach-call.c [2018-12-09 13:22:57,517 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:22:57,522 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:22:57,531 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:22:57,550 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:22:57,551 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:22:57,551 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:22:57,551 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:22:57,551 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:22:57,551 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:22:57,551 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:22:57,551 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:22:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-12-09 13:22:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 13:22:57,567 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:22:57,567 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:22:57,569 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:22:57,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:22:57,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1122034666, now seen corresponding path program 1 times [2018-12-09 13:22:57,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:22:57,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:22:57,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:22:57,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:22:57,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:22:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:22:57,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:22:57,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:22:57,685 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:22:57,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:22:57,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:22:57,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:22:57,698 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 3 states. [2018-12-09 13:22:57,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:22:57,725 INFO L93 Difference]: Finished difference Result 130 states and 194 transitions. [2018-12-09 13:22:57,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:22:57,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-09 13:22:57,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:22:57,732 INFO L225 Difference]: With dead ends: 130 [2018-12-09 13:22:57,732 INFO L226 Difference]: Without dead ends: 64 [2018-12-09 13:22:57,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:22:57,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-09 13:22:57,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-12-09 13:22:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-09 13:22:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 78 transitions. [2018-12-09 13:22:57,759 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 78 transitions. Word has length 24 [2018-12-09 13:22:57,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:22:57,759 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 78 transitions. [2018-12-09 13:22:57,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:22:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2018-12-09 13:22:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 13:22:57,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:22:57,760 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:22:57,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:22:57,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:22:57,761 INFO L82 PathProgramCache]: Analyzing trace with hash -960671627, now seen corresponding path program 1 times [2018-12-09 13:22:57,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:22:57,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:22:57,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:22:57,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:22:57,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:22:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:22:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:22:57,833 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 13:22:57,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:22:57 BoogieIcfgContainer [2018-12-09 13:22:57,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:22:57,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:22:57,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:22:57,863 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:22:57,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:22:57" (3/4) ... [2018-12-09 13:22:57,865 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 13:22:57,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:22:57,866 INFO L168 Benchmark]: Toolchain (without parser) took 886.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -96.5 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:22:57,867 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:22:57,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:22:57,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:22:57,868 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:22:57,869 INFO L168 Benchmark]: RCFGBuilder took 284.83 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:22:57,869 INFO L168 Benchmark]: TraceAbstraction took 356.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-12-09 13:22:57,870 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:22:57,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 284.83 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 356.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 132, overapproximation of bitwiseAnd at line 170, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 161. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=6442450959, \old(Lg1_log)=6442450956, \old(Lg2_log)=6442450957, \old(Lg3_log)=6442450958, \old(Lg4_log)=6442450961, \old(Lg5_log)=6442450963, \old(Lg6_log)=6442450973, \old(Lg7_log)=6442450970, \old(ln2_hi_log)=6442450947, \old(ln2_lo_log)=6442450950, \old(log10_2hi_log10)=6442450951, \old(log10_2lo_log10)=6442450972, \old(two54_log)=6442450974, \old(two54_log10)=6442450952, \old(zero)=6442450975, \old(zero_log10)=6442450964, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L180] double x = __VERIFIER_nondet_double(); [L182] x < 0 && isfinite_double(x) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] CALL, EXPR isfinite_double(x) VAL [\old(x)=6442450962, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L164] __int32_t hx; VAL [\old(x)=6442450962, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] [L166] ieee_double_shape_type gh_u; [L167] gh_u.value = (x) [L168] EXPR gh_u.parts.msw [L168] (hx) = gh_u.parts.msw [L170] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=6442450962, \result=2, hx=5, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] [L182] RET, EXPR isfinite_double(x) VAL [isfinite_double(x)=2, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] x < 0 && isfinite_double(x) VAL [isfinite_double(x)=2, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] COND TRUE x < 0 && isfinite_double(x) [L184] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=6442450962, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=6442450962, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [\old(x)=6442450962, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483675, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [\old(x)=6442450962, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483675, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] return -two54_log10 / zero_log10; VAL [\old(x)=6442450962, hx=-2147483646, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=2147483675, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] [L184] RET, EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=6442450955, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] [L184] double res = __ieee754_log10(x); [L187] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450955, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L161] return x != x; VAL [\old(x)=6442450955, \result=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450955, zero=0, zero_log10=0] [L187] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=6442450955, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] [L187] COND TRUE !isnan_double(res) [L188] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=6442450955, two54_log=18014398509481984, two54_log10=18014398509481984, x=6442450962, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 69 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 0 SDslu, 79 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:22:59,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:22:59,189 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:22:59,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-12-09 13:22:59,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:22:59,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:22:59,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:22:59,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:22:59,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:22:59,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:22:59,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:22:59,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:22:59,204 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:22:59,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:22:59,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:22:59,206 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:22:59,206 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:22:59,206 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:22:59,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:22:59,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:22:59,207 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:22:59,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:22:59,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:22:59,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:22:59,208 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:22:59,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:22:59,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:22:59,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:22:59,209 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:22:59,210 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 13:22:59,217 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:22:59,217 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:22:59,217 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:22:59,217 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:22:59,218 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:22:59,218 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:22:59,218 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:22:59,218 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:22:59,218 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:22:59,218 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:22:59,218 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:22:59,218 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:22:59,219 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:22:59,219 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:22:59,220 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 13:22:59,220 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 13:22:59,221 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_0419b9bf-bde2-4c7b-8484-13334d85bcf9/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 -> cc541d75f5affce4b825454cfd79356341e493a9 [2018-12-09 13:22:59,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:22:59,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:22:59,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:22:59,252 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:22:59,253 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:22:59,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-12-09 13:22:59,290 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data/2698394c6/6c98b14bca26402da993a45a0415999c/FLAG4acd36426 [2018-12-09 13:22:59,630 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:22:59,630 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-12-09 13:22:59,634 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data/2698394c6/6c98b14bca26402da993a45a0415999c/FLAG4acd36426 [2018-12-09 13:23:00,017 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/data/2698394c6/6c98b14bca26402da993a45a0415999c [2018-12-09 13:23:00,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:23:00,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:23:00,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:23:00,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:23:00,022 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:23:00,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3832628d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00, skipping insertion in model container [2018-12-09 13:23:00,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:23:00,042 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:23:00,157 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:23:00,161 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:23:00,193 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:23:00,211 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:23:00,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00 WrapperNode [2018-12-09 13:23:00,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:23:00,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:23:00,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:23:00,212 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:23:00,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:23:00,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:23:00,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:23:00,230 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:23:00,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... [2018-12-09 13:23:00,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:23:00,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:23:00,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:23:00,293 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:23:00,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:23:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-12-09 13:23:00,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-12-09 13:23:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 13:23:00,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 13:23:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 13:23:00,326 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-09 13:23:00,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 13:23:00,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:23:00,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:23:00,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:23:00,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 13:23:00,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 13:23:00,439 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:23:00,471 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:23:02,590 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:23:06,630 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:23:11,065 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:23:29,034 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:23:29,093 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 13:23:29,123 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:23:29,123 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-09 13:23:29,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:23:29 BoogieIcfgContainer [2018-12-09 13:23:29,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:23:29,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:23:29,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:23:29,126 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:23:29,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:23:00" (1/3) ... [2018-12-09 13:23:29,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19327797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:23:29, skipping insertion in model container [2018-12-09 13:23:29,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:23:00" (2/3) ... [2018-12-09 13:23:29,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19327797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:23:29, skipping insertion in model container [2018-12-09 13:23:29,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:23:29" (3/3) ... [2018-12-09 13:23:29,128 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a_true-unreach-call.c [2018-12-09 13:23:29,133 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:23:29,138 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:23:29,147 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:23:29,164 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 13:23:29,164 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:23:29,164 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:23:29,164 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:23:29,165 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:23:29,165 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:23:29,165 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:23:29,165 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:23:29,165 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:23:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2018-12-09 13:23:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 13:23:29,179 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:23:29,179 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:23:29,181 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:23:29,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:23:29,184 INFO L82 PathProgramCache]: Analyzing trace with hash 947744104, now seen corresponding path program 1 times [2018-12-09 13:23:29,186 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:23:29,187 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 13:23:29,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:23:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:29,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:23:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:23:29,896 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:23:29,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:23:29,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 13:23:29,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 13:23:29,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 13:23:29,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:23:29,926 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states. [2018-12-09 13:23:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:23:29,943 INFO L93 Difference]: Finished difference Result 127 states and 190 transitions. [2018-12-09 13:23:29,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 13:23:29,944 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 13:23:29,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:23:29,949 INFO L225 Difference]: With dead ends: 127 [2018-12-09 13:23:29,949 INFO L226 Difference]: Without dead ends: 63 [2018-12-09 13:23:29,952 INFO L631 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 [2018-12-09 13:23:29,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-09 13:23:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-09 13:23:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-09 13:23:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2018-12-09 13:23:29,976 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 23 [2018-12-09 13:23:29,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:23:29,976 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2018-12-09 13:23:29,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 13:23:29,976 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2018-12-09 13:23:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 13:23:29,977 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:23:29,977 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:23:29,977 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:23:29,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:23:29,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1358676480, now seen corresponding path program 1 times [2018-12-09 13:23:29,978 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:23:29,978 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 13:23:29,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:23:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:30,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:23:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:23:30,680 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:23:30,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:23:30,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:23:30,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:23:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:23:30,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:23:30,702 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand 3 states. [2018-12-09 13:23:30,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:23:30,715 INFO L93 Difference]: Finished difference Result 111 states and 140 transitions. [2018-12-09 13:23:30,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:23:30,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-09 13:23:30,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:23:30,716 INFO L225 Difference]: With dead ends: 111 [2018-12-09 13:23:30,716 INFO L226 Difference]: Without dead ends: 63 [2018-12-09 13:23:30,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:23:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-09 13:23:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-09 13:23:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-09 13:23:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2018-12-09 13:23:30,721 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 24 [2018-12-09 13:23:30,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:23:30,721 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2018-12-09 13:23:30,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:23:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2018-12-09 13:23:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 13:23:30,722 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:23:30,722 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:23:30,722 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:23:30,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:23:30,723 INFO L82 PathProgramCache]: Analyzing trace with hash -208633089, now seen corresponding path program 1 times [2018-12-09 13:23:30,723 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:23:30,723 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 13:23:30,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:23:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:31,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:23:31,583 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 13:23:31,584 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 13:23:31,585 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 13:23:31,585 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 13:23:31,589 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2018-12-09 13:23:31,711 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 57 [2018-12-09 13:23:31,730 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-12-09 13:23:31,730 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 13:23:31,763 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 13:23:31,800 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-12-09 13:23:31,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 5 [2018-12-09 13:23:31,815 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 13:23:31,825 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 13:23:31,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-12-09 13:23:31,875 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-12-09 13:23:31,875 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-09 13:23:31,877 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 13:23:31,891 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 13:23:31,912 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-09 13:23:31,913 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:71, output treesize:27 [2018-12-09 13:23:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:23:32,013 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:23:32,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:23:32,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:23:32,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:23:32,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:23:32,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:23:32,033 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand 7 states. [2018-12-09 13:23:39,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:23:39,702 INFO L93 Difference]: Finished difference Result 77 states and 91 transitions. [2018-12-09 13:23:39,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 13:23:39,703 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-09 13:23:39,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:23:39,705 INFO L225 Difference]: With dead ends: 77 [2018-12-09 13:23:39,705 INFO L226 Difference]: Without dead ends: 67 [2018-12-09 13:23:39,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-09 13:23:39,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-09 13:23:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2018-12-09 13:23:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-09 13:23:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2018-12-09 13:23:39,710 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 32 [2018-12-09 13:23:39,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:23:39,710 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2018-12-09 13:23:39,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:23:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2018-12-09 13:23:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 13:23:39,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:23:39,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:23:39,711 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:23:39,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:23:39,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1311700642, now seen corresponding path program 1 times [2018-12-09 13:23:39,711 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:23:39,711 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 13:23:39,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:23:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:39,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:23:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:23:39,920 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:23:39,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:23:39,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:23:39,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:23:39,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:23:39,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:23:39,929 INFO L87 Difference]: Start difference. First operand 63 states and 76 transitions. Second operand 7 states. [2018-12-09 13:23:44,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:23:44,056 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2018-12-09 13:23:44,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 13:23:44,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-09 13:23:44,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:23:44,059 INFO L225 Difference]: With dead ends: 82 [2018-12-09 13:23:44,059 INFO L226 Difference]: Without dead ends: 65 [2018-12-09 13:23:44,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-09 13:23:44,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-09 13:23:44,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-12-09 13:23:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-09 13:23:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2018-12-09 13:23:44,065 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 32 [2018-12-09 13:23:44,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:23:44,065 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2018-12-09 13:23:44,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:23:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-12-09 13:23:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 13:23:44,066 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:23:44,066 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:23:44,066 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:23:44,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:23:44,066 INFO L82 PathProgramCache]: Analyzing trace with hash 163087044, now seen corresponding path program 1 times [2018-12-09 13:23:44,067 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:23:44,067 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 13:23:44,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:23:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:44,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:23:47,968 WARN L180 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 13:23:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:23:48,773 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:23:48,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:23:48,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 13:23:48,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 13:23:48,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 13:23:48,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:23:48,789 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand 8 states. [2018-12-09 13:23:52,144 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 13:23:52,761 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 13:23:54,015 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-09 13:23:56,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:23:56,377 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2018-12-09 13:23:56,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:23:56,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-12-09 13:23:56,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:23:56,378 INFO L225 Difference]: With dead ends: 70 [2018-12-09 13:23:56,378 INFO L226 Difference]: Without dead ends: 63 [2018-12-09 13:23:56,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-09 13:23:56,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-09 13:23:56,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-09 13:23:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-09 13:23:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2018-12-09 13:23:56,383 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 33 [2018-12-09 13:23:56,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:23:56,384 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2018-12-09 13:23:56,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 13:23:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2018-12-09 13:23:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 13:23:56,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:23:56,384 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:23:56,385 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:23:56,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:23:56,385 INFO L82 PathProgramCache]: Analyzing trace with hash 617897232, now seen corresponding path program 1 times [2018-12-09 13:23:56,385 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 13:23:56,385 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-09 13:23:56,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:23:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:56,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:23:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:23:56,801 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 13:23:56,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:23:56,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 13:23:56,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 13:23:56,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 13:23:56,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:23:56,812 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand 8 states. [2018-12-09 13:23:58,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:23:58,403 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2018-12-09 13:23:58,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 13:23:58,404 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-12-09 13:23:58,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:23:58,404 INFO L225 Difference]: With dead ends: 63 [2018-12-09 13:23:58,405 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 13:23:58,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-12-09 13:23:58,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 13:23:58,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 13:23:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 13:23:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 13:23:58,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-12-09 13:23:58,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:23:58,406 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 13:23:58,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 13:23:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 13:23:58,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:23:58,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 13:23:59,025 WARN L180 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 17 [2018-12-09 13:23:59,131 INFO L448 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 163 171) no Hoare annotation was computed. [2018-12-09 13:23:59,131 INFO L448 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 163 171) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L451 ceAbstractionStarter]: At program point isfinite_doubleENTRY(lines 163 171) the Hoare annotation is: true [2018-12-09 13:23:59,132 INFO L451 ceAbstractionStarter]: At program point L165-2(lines 165 169) the Hoare annotation is: true [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point L165-3(lines 165 169) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 161) the Hoare annotation is: true [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 161) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 161) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 118 158) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2018-12-09 13:23:59,132 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 118 158) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 118 158) the Hoare annotation is: true [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L444 ceAbstractionStarter]: At program point L150-2(lines 150 155) the Hoare annotation is: (or (and (= __ieee754_log10_~x |__ieee754_log10_#in~x|) (exists ((v_prenex_16 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_16) ((_ extract 62 52) v_prenex_16) ((_ extract 51 0) v_prenex_16)) |__ieee754_log10_#in~x|) (not (bvslt ((_ extract 63 32) v_prenex_16) (_ bv1048576 32)))))) (exists ((v_prenex_17 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_17))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (not (bvslt .cse0 (_ bv0 32))) (bvslt .cse0 (_ bv1048576 32))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-09 13:23:59,133 INFO L444 ceAbstractionStarter]: At program point L150-3(lines 150 155) the Hoare annotation is: (or (exists ((v_prenex_17 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_17))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (not (bvslt .cse0 (_ bv0 32))) (bvslt .cse0 (_ bv1048576 32))))) (not (= (_ +zero 11 53) ~zero_log10~0)) (exists ((v_prenex_16 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_16) ((_ extract 62 52) v_prenex_16) ((_ extract 51 0) v_prenex_16)) |__ieee754_log10_#in~x|) (not (bvslt ((_ extract 63 32) v_prenex_16) (_ bv1048576 32)))))) [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L444 ceAbstractionStarter]: At program point L138-2(lines 138 142) the Hoare annotation is: (or (and (exists ((v_prenex_17 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_17))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (not (bvslt .cse0 (_ bv0 32))) (bvslt .cse0 (_ bv1048576 32))))) (exists ((|v_q#valueAsBitvector_8| (_ BitVec 64)) (v_prenex_15 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_prenex_15))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (= __ieee754_log10_~hx~1 .cse1) (= __ieee754_log10_~lx~1 ((_ extract 31 0) v_prenex_15)) (= __ieee754_log10_~lx~1 ((_ extract 31 0) |v_q#valueAsBitvector_8|)) (= .cse1 ((_ extract 63 32) |v_q#valueAsBitvector_8|)))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L451 ceAbstractionStarter]: At program point L35-2(lines 35 40) the Hoare annotation is: true [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 40) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 30 109) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-12-09 13:23:59,133 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L451 ceAbstractionStarter]: At program point L61-2(lines 61 66) the Hoare annotation is: true [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L61-3(lines 61 66) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 54) the Hoare annotation is: true [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 30 109) the Hoare annotation is: true [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 30 109) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero_log10~0) [2018-12-09 13:23:59,134 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 13:23:59,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:23:59,134 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 173 194) the Hoare annotation is: true [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (and (exists ((__ieee754_log10_~x (_ FloatingPoint 11 53))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven __ieee754_log10_~x __ieee754_log10_~x) (_ +zero 11 53)) main_~res~0)) (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 187 190) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 173 194) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L444 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (or (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L444 ceAbstractionStarter]: At program point L182-1(line 182) the Hoare annotation is: (or (and |main_#t~short21| (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point L182-2(line 182) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point L182-4(lines 182 191) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point L182-6(lines 182 191) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 173 194) no Hoare annotation was computed. [2018-12-09 13:23:59,135 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-12-09 13:23:59,139 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,140 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,141 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,141 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,141 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 13:23:59,141 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,141 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 13:23:59,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,144 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,145 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,145 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,145 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,145 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,145 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,145 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 13:23:59,145 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,145 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 13:23:59,146 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,146 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,146 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,147 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,148 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:23:59 BoogieIcfgContainer [2018-12-09 13:23:59,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:23:59,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:23:59,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:23:59,150 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:23:59,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:23:29" (3/4) ... [2018-12-09 13:23:59,152 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:23:59,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-12-09 13:23:59,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-09 13:23:59,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 13:23:59,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-12-09 13:23:59,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-09 13:23:59,157 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 13:23:59,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2018-12-09 13:23:59,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-12-09 13:23:59,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 13:23:59,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 13:23:59,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) [2018-12-09 13:23:59,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_17 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && !~bvslt32(v_prenex_17[63:32], 0bv32)) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) && (\exists v_q#valueAsBitvector_8 : bv64, v_prenex_15 : bv64 :: (((\old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && hx == v_prenex_15[63:32]) && lx == v_prenex_15[31:0]) && lx == v_q#valueAsBitvector_8[31:0]) && v_prenex_15[63:32] == v_q#valueAsBitvector_8[63:32])) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-12-09 13:23:59,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists v_prenex_16 : bv64 :: ~fp~LONGDOUBLE(v_prenex_16[63:63], v_prenex_16[62:52], v_prenex_16[51:0]) == \old(x) && !~bvslt32(v_prenex_16[63:32], 1048576bv32))) || (\exists v_prenex_17 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && !~bvslt32(v_prenex_17[63:32], 0bv32)) && ~bvslt32(v_prenex_17[63:32], 1048576bv32))) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-12-09 13:23:59,194 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0419b9bf-bde2-4c7b-8484-13334d85bcf9/bin-2019/utaipan/witness.graphml [2018-12-09 13:23:59,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:23:59,194 INFO L168 Benchmark]: Toolchain (without parser) took 59175.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 942.0 MB in the beginning and 1.2 GB in the end (delta: -220.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:23:59,195 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:23:59,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.09 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:59,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.13 ms. Allocated memory is still 1.0 GB. Free memory was 925.9 MB in the beginning and 920.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:59,195 INFO L168 Benchmark]: Boogie Preprocessor took 62.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:59,195 INFO L168 Benchmark]: RCFGBuilder took 28831.18 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:59,196 INFO L168 Benchmark]: TraceAbstraction took 30025.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.3 MB). Peak memory consumption was 269.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:59,196 INFO L168 Benchmark]: Witness Printer took 44.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:23:59,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.09 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.13 ms. Allocated memory is still 1.0 GB. Free memory was 925.9 MB in the beginning and 920.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 28831.18 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30025.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.3 MB). Peak memory consumption was 269.4 MB. Max. memory is 11.5 GB. * Witness Printer took 44.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 13:23:59,200 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,201 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_8,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_17 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && !~bvslt32(v_prenex_17[63:32], 0bv32)) && ~bvslt32(v_prenex_17[63:32], 1048576bv32)) && (\exists v_q#valueAsBitvector_8 : bv64, v_prenex_15 : bv64 :: (((\old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && hx == v_prenex_15[63:32]) && lx == v_prenex_15[31:0]) && lx == v_q#valueAsBitvector_8[31:0]) && v_prenex_15[63:32] == v_q#valueAsBitvector_8[63:32])) || !(~Pluszero~LONGDOUBLE() == zero_log10) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,202 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_16,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,203 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,204 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-12-09 13:23:59,204 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists v_prenex_16 : bv64 :: ~fp~LONGDOUBLE(v_prenex_16[63:63], v_prenex_16[62:52], v_prenex_16[51:0]) == \old(x) && !~bvslt32(v_prenex_16[63:32], 1048576bv32))) || (\exists v_prenex_17 : bv64 :: (\old(x) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && !~bvslt32(v_prenex_17[63:32], 0bv32)) && ~bvslt32(v_prenex_17[63:32], 1048576bv32))) || !(~Pluszero~LONGDOUBLE() == zero_log10) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 68 locations, 1 error locations. SAFE Result, 29.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 21.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 427 SDtfs, 104 SDslu, 1299 SDs, 0 SdLazy, 193 SolverSat, 15 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred 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, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 46 PreInvPairs, 61 NumberOfFragments, 205 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 118 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 26 QuantifiedInterpolants, 26371 SizeOfPredicates, 17 NumberOfNonLiveVariables, 776 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...