./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c9432e09ab34163f77fe447dc3730a7acfb00e3 .................................................................................................................................................................................................................................. 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_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c9432e09ab34163f77fe447dc3730a7acfb00e3 .................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:36:41,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:36:41,196 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:36:41,204 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:36:41,204 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:36:41,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:36:41,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:36:41,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:36:41,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:36:41,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:36:41,209 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:36:41,209 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:36:41,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:36:41,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:36:41,212 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:36:41,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:36:41,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:36:41,214 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:36:41,216 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:36:41,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:36:41,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:36:41,218 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:36:41,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:36:41,220 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:36:41,220 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:36:41,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:36:41,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:36:41,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:36:41,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:36:41,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:36:41,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:36:41,224 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:36:41,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:36:41,225 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:36:41,225 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:36:41,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:36:41,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 16:36:41,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:36:41,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:36:41,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:36:41,238 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:36:41,238 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:36:41,238 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:36:41,239 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:36:41,239 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:36:41,239 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:36:41,239 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:36:41,239 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:36:41,239 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:36:41,239 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:36:41,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:36:41,240 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:36:41,240 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:36:41,240 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:36:41,240 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:36:41,240 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:36:41,240 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:36:41,241 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:36:41,241 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:36:41,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:36:41,241 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:36:41,241 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:36:41,241 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:36:41,241 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:36:41,242 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:36:41,242 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:36:41,242 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_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak 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 -> Kojak 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 -> 8c9432e09ab34163f77fe447dc3730a7acfb00e3 [2018-12-01 16:36:41,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:36:41,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:36:41,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:36:41,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:36:41,276 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:36:41,277 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-12-01 16:36:41,314 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data/dd42f5935/8fc75367b60d4b169f9bfde61f711c5f/FLAGe8bea2094 [2018-12-01 16:36:41,772 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:36:41,773 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-12-01 16:36:41,777 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data/dd42f5935/8fc75367b60d4b169f9bfde61f711c5f/FLAGe8bea2094 [2018-12-01 16:36:41,785 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data/dd42f5935/8fc75367b60d4b169f9bfde61f711c5f [2018-12-01 16:36:41,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:36:41,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:36:41,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:36:41,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:36:41,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:36:41,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484c0a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41, skipping insertion in model container [2018-12-01 16:36:41,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:36:41,806 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:36:41,896 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:36:41,898 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:36:41,912 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:36:41,924 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:36:41,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41 WrapperNode [2018-12-01 16:36:41,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:36:41,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:36:41,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:36:41,925 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:36:41,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:36:41,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:36:41,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:36:41,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:36:41,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... [2018-12-01 16:36:41,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:36:41,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:36:41,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:36:41,991 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:36:41,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-01 16:36:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 16:36:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 16:36:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 16:36:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:36:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:36:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:36:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 16:36:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 16:36:42,165 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:36:42,165 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-01 16:36:42,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:42 BoogieIcfgContainer [2018-12-01 16:36:42,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:36:42,166 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:36:42,166 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:36:42,173 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:36:42,173 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:42" (1/1) ... [2018-12-01 16:36:42,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:36:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-01 16:36:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-01 16:36:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 16:36:42,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-01 16:36:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-01 16:36:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 16:36:42,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:36:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:36:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:36:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:36:42,340 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 16:36:42,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:36:42 ImpRootNode [2018-12-01 16:36:42,356 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:36:42,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:36:42,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:36:42,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:36:42,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:42" (3/4) ... [2018-12-01 16:36:42,359 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 16:36:42,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:36:42,360 INFO L168 Benchmark]: Toolchain (without parser) took 572.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:42,361 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:36:42,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.09 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:42,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -206.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:42,362 INFO L168 Benchmark]: Boogie Preprocessor took 16.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:36:42,362 INFO L168 Benchmark]: RCFGBuilder took 175.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:42,363 INFO L168 Benchmark]: CodeCheck took 189.81 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:42,363 INFO L168 Benchmark]: Witness Printer took 3.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:36:42,365 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 25 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = 0.0f; [L13] __int32_t signbit, w, exponent_less_127; [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L21] COND FALSE !(exponent_less_127 < 23) [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; [L63] float res = trunc_float(x); [L66] EXPR res == 0.0f && __signbit_float(res) == 0 [L66] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L67] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.09 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 49.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -206.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 175.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * CodeCheck took 189.81 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:36:43,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:36:43,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:36:43,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:36:43,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:36:43,756 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:36:43,757 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:36:43,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:36:43,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:36:43,760 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:36:43,761 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:36:43,761 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:36:43,762 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:36:43,762 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:36:43,763 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:36:43,763 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:36:43,764 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:36:43,765 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:36:43,767 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:36:43,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:36:43,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:36:43,769 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:36:43,771 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:36:43,771 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:36:43,771 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:36:43,772 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:36:43,773 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:36:43,773 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:36:43,774 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:36:43,774 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:36:43,775 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:36:43,775 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:36:43,775 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:36:43,775 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:36:43,776 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:36:43,776 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:36:43,776 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 16:36:43,786 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:36:43,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:36:43,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:36:43,787 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:36:43,788 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:36:43,788 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:36:43,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:36:43,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:36:43,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:36:43,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:36:43,788 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:36:43,789 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:36:43,789 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:36:43,789 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 16:36:43,789 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 16:36:43,789 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:36:43,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:36:43,789 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:36:43,789 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:36:43,790 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:36:43,790 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:36:43,790 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:36:43,790 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:36:43,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:36:43,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:36:43,790 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:36:43,791 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:36:43,791 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 16:36:43,791 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 16:36:43,791 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:36:43,791 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 16:36:43,791 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 16:36:43,791 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_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak 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 -> Kojak 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 -> 8c9432e09ab34163f77fe447dc3730a7acfb00e3 [2018-12-01 16:36:43,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:36:43,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:36:43,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:36:43,829 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:36:43,829 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:36:43,830 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-12-01 16:36:43,865 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data/ee70516cc/ad42b5f3a586440db659e08d0cb5557e/FLAGe58b31470 [2018-12-01 16:36:44,193 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:36:44,194 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/sv-benchmarks/c/float-newlib/float_req_bl_1072c_true-unreach-call.c [2018-12-01 16:36:44,197 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data/ee70516cc/ad42b5f3a586440db659e08d0cb5557e/FLAGe58b31470 [2018-12-01 16:36:44,602 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/data/ee70516cc/ad42b5f3a586440db659e08d0cb5557e [2018-12-01 16:36:44,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:36:44,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:36:44,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:36:44,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:36:44,608 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:36:44,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e2f300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44, skipping insertion in model container [2018-12-01 16:36:44,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:36:44,626 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:36:44,718 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:36:44,721 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:36:44,737 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:36:44,752 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:36:44,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44 WrapperNode [2018-12-01 16:36:44,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:36:44,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:36:44,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:36:44,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:36:44,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:36:44,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:36:44,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:36:44,777 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:36:44,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... [2018-12-01 16:36:44,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:36:44,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:36:44,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:36:44,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:36:44,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-01 16:36:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:36:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 16:36:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:36:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:36:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-01 16:36:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-01 16:36:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 16:36:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 16:36:44,951 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 16:36:44,964 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 16:36:45,031 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:36:45,031 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-01 16:36:45,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:45 BoogieIcfgContainer [2018-12-01 16:36:45,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:36:45,032 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:36:45,032 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:36:45,038 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:36:45,038 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:45" (1/1) ... [2018-12-01 16:36:45,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:36:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-12-01 16:36:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-12-01 16:36:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 16:36:45,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,100 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:36:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:45,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:36:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-01 16:36:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-01 16:36:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 16:36:45,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,131 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:36:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:45,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:36:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-01 16:36:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-01 16:36:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 16:36:45,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,392 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:36:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:45,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:36:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-12-01 16:36:45,902 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-12-01 16:36:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 16:36:45,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,904 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:36:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:45,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:36:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-12-01 16:36:45,915 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-12-01 16:36:45,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 16:36:45,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:45,916 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:36:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:45,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:36:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-12-01 16:36:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-01 16:36:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 16:36:46,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:46,582 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:36:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:46,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:36:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:48,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:48,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-12-01 16:36:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-12-01 16:36:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 16:36:48,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:36:48,289 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:36:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:36:48,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:36:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:36:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:36:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-12-01 16:36:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-12-01 16:36:50,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:36:50,723 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-01 16:36:50,728 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 16:36:50,767 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:36:50,769 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 16:36:50,773 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-01 16:36:50,773 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-01 16:36:50,774 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,774 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,776 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,776 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,776 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 16:36:50,776 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 16:36:50,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:36:50 ImpRootNode [2018-12-01 16:36:50,777 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:36:50,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:36:50,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:36:50,777 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:36:50,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:45" (3/4) ... [2018-12-01 16:36:50,780 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:36:50,785 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-01 16:36:50,786 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 16:36:50,786 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 16:36:50,801 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: signbit == ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) [2018-12-01 16:36:50,802 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~Pluszero~LONGDOUBLE() [2018-12-01 16:36:50,814 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d92d3441-d8c6-4178-a8a1-ef665e2deac1/bin-2019/ukojak/witness.graphml [2018-12-01 16:36:50,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:36:50,815 INFO L168 Benchmark]: Toolchain (without parser) took 6211.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -105.2 MB). Peak memory consumption was 89.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:50,816 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:36:50,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.15 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:50,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.05 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:50,817 INFO L168 Benchmark]: Boogie Preprocessor took 53.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:50,817 INFO L168 Benchmark]: RCFGBuilder took 200.93 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:50,817 INFO L168 Benchmark]: CodeCheck took 5744.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:50,818 INFO L168 Benchmark]: Witness Printer took 37.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-01 16:36:50,819 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 25 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1132 SDtfs, 478 SDslu, 260 SDs, 0 SdLazy, 2058 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 687 GetRequests, 615 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 78 ConstructedInterpolants, 13 QuantifiedInterpolants, 3976 SizeOfPredicates, 30 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 67]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 24]: Loop Invariant [2018-12-01 16:36:50,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,821 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2018-12-01 16:36:50,822 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: signbit == ~bvand32(2147483648bv32, ULTIMATE.start_trunc_float_~w~0) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0])) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.15 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 24.05 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 200.93 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * CodeCheck took 5744.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] RESULT: Ultimate proved your program to be correct! Received shutdown request...