./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/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 8843c970c14fead2ee32d56c7ad1a4a87598c42c .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/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 8843c970c14fead2ee32d56c7ad1a4a87598c42c ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:30:59,634 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:30:59,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:30:59,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:30:59,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:30:59,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:30:59,643 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:30:59,644 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:30:59,645 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:30:59,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:30:59,647 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:30:59,647 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:30:59,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:30:59,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:30:59,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:30:59,649 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:30:59,649 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:30:59,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:30:59,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:30:59,652 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:30:59,653 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:30:59,653 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:30:59,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:30:59,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:30:59,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:30:59,655 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:30:59,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:30:59,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:30:59,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:30:59,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:30:59,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:30:59,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:30:59,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:30:59,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:30:59,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:30:59,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:30:59,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 13:30:59,668 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:30:59,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:30:59,668 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:30:59,669 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:30:59,669 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:30:59,669 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:30:59,669 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:30:59,669 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:30:59,669 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:30:59,669 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:30:59,670 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:30:59,670 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:30:59,670 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:30:59,670 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:30:59,670 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:30:59,671 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:30:59,671 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:30:59,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:30:59,671 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:30:59,671 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:30:59,671 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:30:59,671 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:30:59,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:30:59,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:30:59,672 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:30:59,672 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:30:59,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:30:59,672 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:30:59,672 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:30:59,673 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:30:59,673 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:30:59,673 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:30:59,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:30:59,673 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:30:59,673 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_e75be041-7c28-4af0-9df1-127da842aad4/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 -> 8843c970c14fead2ee32d56c7ad1a4a87598c42c [2018-11-10 13:30:59,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:30:59,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:30:59,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:30:59,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:30:59,710 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:30:59,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-10 13:30:59,755 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data/a46df0671/b357c01d92d94cc2b783ed24d93bf1bf/FLAG53aefc8e7 [2018-11-10 13:31:00,153 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:31:00,154 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-10 13:31:00,158 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data/a46df0671/b357c01d92d94cc2b783ed24d93bf1bf/FLAG53aefc8e7 [2018-11-10 13:31:00,168 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data/a46df0671/b357c01d92d94cc2b783ed24d93bf1bf [2018-11-10 13:31:00,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:31:00,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:31:00,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:31:00,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:31:00,175 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:31:00,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dabe3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00, skipping insertion in model container [2018-11-10 13:31:00,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:31:00,196 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:31:00,300 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:31:00,302 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:31:00,316 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:31:00,327 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:31:00,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00 WrapperNode [2018-11-10 13:31:00,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:31:00,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:31:00,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:31:00,328 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:31:00,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:31:00,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:31:00,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:31:00,357 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:31:00,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... [2018-11-10 13:31:00,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:31:00,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:31:00,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:31:00,374 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:31:00,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:31:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:31:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:31:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:31:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:31:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 13:31:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 13:31:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 13:31:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 13:31:00,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:31:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:31:00,636 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:31:00,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:31:00 BoogieIcfgContainer [2018-11-10 13:31:00,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:31:00,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:31:00,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:31:00,640 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:31:00,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:31:00" (1/3) ... [2018-11-10 13:31:00,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e27dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:31:00, skipping insertion in model container [2018-11-10 13:31:00,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:00" (2/3) ... [2018-11-10 13:31:00,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e27dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:31:00, skipping insertion in model container [2018-11-10 13:31:00,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:31:00" (3/3) ... [2018-11-10 13:31:00,642 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a_true-unreach-call.c [2018-11-10 13:31:00,650 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:31:00,656 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:31:00,670 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:31:00,691 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:31:00,691 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:31:00,691 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:31:00,691 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:31:00,691 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:31:00,691 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:31:00,691 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:31:00,691 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:31:00,703 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-10 13:31:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 13:31:00,706 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:31:00,707 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:31:00,708 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:31:00,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:31:00,712 INFO L82 PathProgramCache]: Analyzing trace with hash -18149888, now seen corresponding path program 1 times [2018-11-10 13:31:00,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:31:00,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:31:00,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:31:00,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:31:00,742 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:31:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:31:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:31:00,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:31:00,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:31:00,799 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:31:00,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:31:00,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:31:00,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:31:00,813 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-10 13:31:00,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:31:00,827 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2018-11-10 13:31:00,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:31:00,828 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-10 13:31:00,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:31:00,833 INFO L225 Difference]: With dead ends: 54 [2018-11-10 13:31:00,833 INFO L226 Difference]: Without dead ends: 27 [2018-11-10 13:31:00,835 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:31:00,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-10 13:31:00,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-10 13:31:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-10 13:31:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-11-10 13:31:00,856 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2018-11-10 13:31:00,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:31:00,857 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-11-10 13:31:00,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:31:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-11-10 13:31:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 13:31:00,857 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:31:00,857 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:31:00,858 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:31:00,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:31:00,858 INFO L82 PathProgramCache]: Analyzing trace with hash -486363436, now seen corresponding path program 1 times [2018-11-10 13:31:00,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:31:00,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:31:00,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:31:00,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:31:00,859 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:31:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:31:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:31:00,946 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 13:31:00,957 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,961 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,961 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,961 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,961 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,962 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,962 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,962 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,963 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,963 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,963 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,965 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,965 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,965 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,965 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,966 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,966 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,966 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,966 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,967 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,967 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:31:00,967 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 13:31:00,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:31:00 BoogieIcfgContainer [2018-11-10 13:31:00,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:31:00,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:31:00,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:31:00,982 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:31:00,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:31:00" (3/4) ... [2018-11-10 13:31:00,985 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:31:00,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:31:00,986 INFO L168 Benchmark]: Toolchain (without parser) took 815.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -109.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:00,987 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:31:00,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.16 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:00,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.43 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:00,989 INFO L168 Benchmark]: Boogie Preprocessor took 16.80 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 944.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:00,989 INFO L168 Benchmark]: RCFGBuilder took 263.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:00,990 INFO L168 Benchmark]: TraceAbstraction took 344.02 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:00,990 INFO L168 Benchmark]: Witness Printer took 3.96 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:00,993 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.16 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.43 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.80 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 944.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 263.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 344.02 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.96 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 51]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L46] float x = 1.0f / 0.0f; [L47] CALL, EXPR fabs_float(x) [L12] __uint32_t ix; [L14] CALL ieee_float_shape_type gf_u; [L14] RET ieee_float_shape_type gf_u; [L15] CALL gf_u.value = (x) [L15] RET gf_u.value = (x) [L16] CALL, EXPR gf_u.word [L16] RET, EXPR gf_u.word [L16] (ix) = gf_u.word [L16] RET (ix) = gf_u.word [L17] COND FALSE !(0) [L19] CALL ieee_float_shape_type sf_u; [L19] RET ieee_float_shape_type sf_u; [L20] CALL sf_u.word = (ix & 0x7fffffff) [L20] RET sf_u.word = (ix & 0x7fffffff) [L21] CALL, EXPR sf_u.value [L21] RET, EXPR sf_u.value [L21] (x) = sf_u.value [L21] RET (x) = sf_u.value [L22] COND FALSE !(0) [L23] RET return x; [L47] EXPR fabs_float(x) VAL [fabs_float(x)=6442450954, x=6442450952] [L47] float res = fabs_float(x); [L50] CALL, EXPR isinf_float(res) [L28] __int32_t ix; [L30] CALL ieee_float_shape_type gf_u; [L30] RET ieee_float_shape_type gf_u; [L31] CALL gf_u.value = (x) [L31] RET gf_u.value = (x) [L32] CALL, EXPR gf_u.word [L32] RET, EXPR gf_u.word [L32] (ix) = gf_u.word [L32] RET (ix) = gf_u.word [L33] COND FALSE !(0) [L34] ix &= 0x7fffffff [L35] RET return ((ix) == 0x7f800000L); [L50] EXPR isinf_float(res) VAL [isinf_float(res)=0, res=6442450954, x=6442450952] [L50] COND TRUE !isinf_float(res) [L51] __VERIFIER_error() VAL [res=6442450954, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:31:02,446 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:31:02,447 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:31:02,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:31:02,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:31:02,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:31:02,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:31:02,459 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:31:02,460 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:31:02,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:31:02,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:31:02,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:31:02,462 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:31:02,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:31:02,463 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:31:02,464 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:31:02,465 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:31:02,466 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:31:02,467 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:31:02,468 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:31:02,469 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:31:02,470 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:31:02,472 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:31:02,472 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:31:02,472 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:31:02,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:31:02,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:31:02,474 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:31:02,475 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:31:02,475 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:31:02,476 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:31:02,477 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:31:02,477 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:31:02,477 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:31:02,478 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:31:02,478 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:31:02,478 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 13:31:02,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:31:02,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:31:02,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:31:02,490 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:31:02,490 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:31:02,490 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:31:02,490 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:31:02,490 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:31:02,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:31:02,491 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:31:02,491 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:31:02,491 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:31:02,491 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:31:02,491 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:31:02,492 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:31:02,492 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 13:31:02,492 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 13:31:02,492 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:31:02,492 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:31:02,492 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:31:02,492 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:31:02,492 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:31:02,493 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:31:02,493 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:31:02,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:31:02,493 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:31:02,493 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:31:02,493 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:31:02,493 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 13:31:02,493 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:31:02,494 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 13:31:02,494 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 13:31:02,494 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_e75be041-7c28-4af0-9df1-127da842aad4/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 -> 8843c970c14fead2ee32d56c7ad1a4a87598c42c [2018-11-10 13:31:02,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:31:02,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:31:02,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:31:02,545 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:31:02,546 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:31:02,547 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-10 13:31:02,596 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data/01e74cf07/fb723543881447aba548e7450ff51b50/FLAG7369f5df9 [2018-11-10 13:31:02,922 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:31:02,923 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-10 13:31:02,927 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data/01e74cf07/fb723543881447aba548e7450ff51b50/FLAG7369f5df9 [2018-11-10 13:31:02,935 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/data/01e74cf07/fb723543881447aba548e7450ff51b50 [2018-11-10 13:31:02,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:31:02,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:31:02,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:31:02,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:31:02,941 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:31:02,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:31:02" (1/1) ... [2018-11-10 13:31:02,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccc2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:02, skipping insertion in model container [2018-11-10 13:31:02,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:31:02" (1/1) ... [2018-11-10 13:31:02,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:31:02,963 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:31:03,089 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:31:03,092 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:31:03,106 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:31:03,122 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:31:03,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03 WrapperNode [2018-11-10 13:31:03,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:31:03,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:31:03,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:31:03,123 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:31:03,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:31:03,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:31:03,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:31:03,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:31:03,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... [2018-11-10 13:31:03,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:31:03,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:31:03,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:31:03,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:31:03,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:31:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:31:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:31:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:31:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:31:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 13:31:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 13:31:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 13:31:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 13:31:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:31:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:31:03,358 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:31:03,402 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:31:03,426 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:31:03,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:31:03 BoogieIcfgContainer [2018-11-10 13:31:03,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:31:03,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:31:03,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:31:03,428 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:31:03,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:31:02" (1/3) ... [2018-11-10 13:31:03,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cd45b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:31:03, skipping insertion in model container [2018-11-10 13:31:03,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:31:03" (2/3) ... [2018-11-10 13:31:03,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cd45b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:31:03, skipping insertion in model container [2018-11-10 13:31:03,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:31:03" (3/3) ... [2018-11-10 13:31:03,432 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a_true-unreach-call.c [2018-11-10 13:31:03,440 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:31:03,446 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:31:03,454 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:31:03,471 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:31:03,472 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:31:03,472 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:31:03,472 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:31:03,472 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:31:03,472 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:31:03,472 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:31:03,472 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:31:03,472 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:31:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-10 13:31:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 13:31:03,485 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:31:03,486 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:31:03,487 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:31:03,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:31:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1873420154, now seen corresponding path program 1 times [2018-11-10 13:31:03,493 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:31:03,494 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 13:31:03,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:31:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:31:03,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:31:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:31:03,550 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:31:03,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:31:03,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:31:03,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:31:03,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:31:03,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:31:03,571 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-10 13:31:03,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:31:03,586 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2018-11-10 13:31:03,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:31:03,587 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-10 13:31:03,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:31:03,592 INFO L225 Difference]: With dead ends: 52 [2018-11-10 13:31:03,592 INFO L226 Difference]: Without dead ends: 26 [2018-11-10 13:31:03,594 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:31:03,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-10 13:31:03,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-10 13:31:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-10 13:31:03,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-11-10 13:31:03,617 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 22 [2018-11-10 13:31:03,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:31:03,617 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-11-10 13:31:03,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:31:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-11-10 13:31:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 13:31:03,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:31:03,618 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:31:03,619 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:31:03,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:31:03,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1825377758, now seen corresponding path program 1 times [2018-11-10 13:31:03,620 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 13:31:03,620 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 13:31:03,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:31:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:31:03,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:31:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:31:04,058 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 13:31:04,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:31:04,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-10 13:31:04,069 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-10 13:31:04,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-10 13:31:04,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-11-10 13:31:04,070 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 13 states. [2018-11-10 13:31:04,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:31:04,648 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-11-10 13:31:04,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 13:31:04,648 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-11-10 13:31:04,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:31:04,649 INFO L225 Difference]: With dead ends: 26 [2018-11-10 13:31:04,649 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 13:31:04,650 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-11-10 13:31:04,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 13:31:04,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 13:31:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 13:31:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:31:04,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-10 13:31:04,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:31:04,651 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:31:04,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-10 13:31:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:31:04,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:31:04,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 13:31:04,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:31:04,715 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:31:04,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:31:04,716 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2018-11-10 13:31:04,716 INFO L421 ceAbstractionStarter]: At program point L29-3(lines 29 33) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-10 13:31:04,716 INFO L425 ceAbstractionStarter]: For program point L29-4(lines 29 33) no Hoare annotation was computed. [2018-11-10 13:31:04,716 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 27 36) the Hoare annotation is: true [2018-11-10 13:31:04,716 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 27 36) no Hoare annotation was computed. [2018-11-10 13:31:04,716 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 27 36) no Hoare annotation was computed. [2018-11-10 13:31:04,716 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 11 24) no Hoare annotation was computed. [2018-11-10 13:31:04,716 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-11-10 13:31:04,717 INFO L421 ceAbstractionStarter]: At program point L13-3(lines 13 17) the Hoare annotation is: (= fabs_float_~x |fabs_float_#in~x|) [2018-11-10 13:31:04,717 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 11 24) no Hoare annotation was computed. [2018-11-10 13:31:04,717 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 11 24) the Hoare annotation is: true [2018-11-10 13:31:04,717 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2018-11-10 13:31:04,717 INFO L425 ceAbstractionStarter]: For program point L18-2(lines 11 24) no Hoare annotation was computed. [2018-11-10 13:31:04,717 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2018-11-10 13:31:04,717 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:31:04,717 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 13:31:04,717 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:31:04,718 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:31:04,718 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2018-11-10 13:31:04,718 INFO L421 ceAbstractionStarter]: At program point L47(line 47) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-11-10 13:31:04,718 INFO L425 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-11-10 13:31:04,718 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 38 56) the Hoare annotation is: true [2018-11-10 13:31:04,718 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 38 56) no Hoare annotation was computed. [2018-11-10 13:31:04,718 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 38 56) no Hoare annotation was computed. [2018-11-10 13:31:04,718 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 51) no Hoare annotation was computed. [2018-11-10 13:31:04,719 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-10 13:31:04,719 INFO L421 ceAbstractionStarter]: At program point L50(line 50) the Hoare annotation is: (and (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) (exists ((fabs_float_~ix~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) fabs_float_~ix~0) ((_ extract 30 23) fabs_float_~ix~0) ((_ extract 22 0) fabs_float_~ix~0)) (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24))) (= main_~res~0 (let ((.cse0 (bvand fabs_float_~ix~0 (_ bv2147483647 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))))) [2018-11-10 13:31:04,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:31:04 BoogieIcfgContainer [2018-11-10 13:31:04,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:31:04,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:31:04,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:31:04,728 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:31:04,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:31:03" (3/4) ... [2018-11-10 13:31:04,731 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:31:04,735 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 13:31:04,735 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-10 13:31:04,735 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-10 13:31:04,736 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 13:31:04,739 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2018-11-10 13:31:04,740 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2018-11-10 13:31:04,740 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 13:31:04,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-10 13:31:04,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 13:31:04,776 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e75be041-7c28-4af0-9df1-127da842aad4/bin-2019/utaipan/witness.graphml [2018-11-10 13:31:04,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:31:04,777 INFO L168 Benchmark]: Toolchain (without parser) took 1839.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 949.8 MB in the beginning and 985.0 MB in the end (delta: -35.2 MB). Peak memory consumption was 102.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:04,778 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:31:04,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.81 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:04,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.57 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:04,779 INFO L168 Benchmark]: Boogie Preprocessor took 18.14 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:31:04,779 INFO L168 Benchmark]: RCFGBuilder took 257.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:04,779 INFO L168 Benchmark]: TraceAbstraction took 1301.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.7 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:04,780 INFO L168 Benchmark]: Witness Printer took 48.35 ms. Allocated memory is still 1.2 GB. Free memory was 991.7 MB in the beginning and 985.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:31:04,782 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.81 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.57 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.14 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 257.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1301.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.7 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Witness Printer took 48.35 ms. Allocated memory is still 1.2 GB. Free memory was 991.7 MB in the beginning and 985.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: 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: 13]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 10 SDslu, 139 SDs, 0 SdLazy, 90 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 60 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 8 QuantifiedInterpolants, 8097 SizeOfPredicates, 24 NumberOfNonLiveVariables, 172 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...