./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/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 9a3696439220bbea1d6ed5ed3b22aa10206af5de ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/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 9a3696439220bbea1d6ed5ed3b22aa10206af5de ............................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:40:16,322 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:40:16,323 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:40:16,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:40:16,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:40:16,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:40:16,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:40:16,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:40:16,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:40:16,335 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:40:16,336 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:40:16,336 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:40:16,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:40:16,337 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:40:16,338 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:40:16,338 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:40:16,339 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:40:16,340 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:40:16,341 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:40:16,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:40:16,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:40:16,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:40:16,345 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:40:16,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:40:16,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:40:16,346 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:40:16,347 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:40:16,347 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:40:16,348 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:40:16,349 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:40:16,349 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:40:16,349 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:40:16,349 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:40:16,350 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:40:16,350 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:40:16,351 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:40:16,351 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:40:16,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:40:16,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:40:16,361 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:40:16,361 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:40:16,362 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:40:16,362 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:40:16,362 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:40:16,362 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:40:16,362 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:40:16,362 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:40:16,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:40:16,363 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:40:16,363 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:40:16,363 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:40:16,363 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:40:16,363 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:40:16,363 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:40:16,363 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:40:16,363 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:40:16,364 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:40:16,364 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:40:16,364 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:40:16,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:40:16,364 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:40:16,364 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:40:16,364 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:40:16,365 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:40:16,365 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:40:16,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:40:16,365 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_72583ffe-593f-41f3-8f7c-3a5a61359a0f/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 -> 9a3696439220bbea1d6ed5ed3b22aa10206af5de [2018-11-23 04:40:16,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:40:16,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:40:16,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:40:16,399 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:40:16,399 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:40:16,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2018-11-23 04:40:16,441 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data/5702e8e50/7f621e72d73f4aaa88dd678fb6a03d85/FLAG96942eb82 [2018-11-23 04:40:16,833 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:40:16,833 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2018-11-23 04:40:16,839 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data/5702e8e50/7f621e72d73f4aaa88dd678fb6a03d85/FLAG96942eb82 [2018-11-23 04:40:16,849 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data/5702e8e50/7f621e72d73f4aaa88dd678fb6a03d85 [2018-11-23 04:40:16,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:40:16,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:40:16,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:40:16,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:40:16,856 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:40:16,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:40:16" (1/1) ... [2018-11-23 04:40:16,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3438b8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:16, skipping insertion in model container [2018-11-23 04:40:16,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:40:16" (1/1) ... [2018-11-23 04:40:16,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:40:16,879 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:40:16,996 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:40:16,998 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:40:17,012 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:40:17,023 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:40:17,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17 WrapperNode [2018-11-23 04:40:17,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:40:17,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:40:17,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:40:17,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:40:17,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:40:17,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:40:17,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:40:17,085 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:40:17,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:40:17,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:40:17,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:40:17,109 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:40:17,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/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 [2018-11-23 04:40:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 04:40:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 04:40:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 04:40:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:40:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:40:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:40:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 04:40:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:40:17,363 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:40:17,363 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 04:40:17,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:17 BoogieIcfgContainer [2018-11-23 04:40:17,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:40:17,364 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:40:17,364 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:40:17,375 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:40:17,375 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:17" (1/1) ... [2018-11-23 04:40:17,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:40:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-23 04:40:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-23 04:40:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 04:40:17,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 04:40:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 04:40:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 04:40:17,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:40:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:40:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:40:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:40:17,610 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0;main_~x~0 := 0.0;round_float_#in~x := main_~x~0;havoc round_float_#res;havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0;round_float_~x := round_float_#in~x;havoc round_float_~w~0;havoc round_float_~exponent_less_127~0; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0] [?] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);round_float_~w~0 := round_float_#t~mem0;call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);havoc round_float_#t~mem0;havoc round_float_#t~union1;call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset);havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0] [?] goto; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0] [?] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0] [?] assume !(round_float_~exponent_less_127~0 < 23);BeginParallelComposition{ParallelCodeBlock0: assume 128 == round_float_~exponent_less_127~0;round_float_#res := ~someBinaryArithmeticFLOAToperation(round_float_~x, round_float_~x);ParallelCodeBlock1: assume !(128 == round_float_~exponent_less_127~0);round_float_#res := round_float_~x;}EndParallelComposition VAL [ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] main_#t~ret6 := round_float_#res;main_~res~0 := main_#t~ret6;havoc main_#t~ret6;main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~short8|=false, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] assume !main_#t~short8; VAL [ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~short8|=false, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] assume !main_#t~short8;havoc main_#t~ret7;havoc main_#t~short8; VAL [ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] assume !false; VAL [ULTIMATE.start_main_~res~0=0.0, ULTIMATE.start_main_~x~0=0.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=3, ULTIMATE.start_round_float_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=0.0, |ULTIMATE.start_round_float_#res|=0.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L75] main_~x~0 := 0.0; [L76] round_float_#in~x := main_~x~0; [L76] havoc round_float_#res; [L76] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L12-L53] round_float_~x := round_float_#in~x; [L13] havoc round_float_~w~0; [L15] havoc round_float_~exponent_less_127~0; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~x=0.0] [L18] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] round_float_~w~0 := round_float_#t~mem0; [L20] call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] havoc round_float_#t~mem0; [L20] havoc round_float_#t~union1; [L18] call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset); [L18] havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~w~0=3, round_float_~x=0.0] [L23] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L25-L46] assume !(round_float_~exponent_less_127~0 < 23); [L41-L45] assume !(128 == round_float_~exponent_less_127~0); [L45] round_float_#res := round_float_~x; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L76] main_#t~ret6 := round_float_#res; [L76] main_~res~0 := main_#t~ret6; [L76] havoc main_#t~ret6; [L79] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] assume !main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79-L82] assume !main_#t~short8; [L79] havoc main_#t~ret7; [L79] havoc main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L80] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L75] main_~x~0 := 0.0; [L76] round_float_#in~x := main_~x~0; [L76] havoc round_float_#res; [L76] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L12-L53] round_float_~x := round_float_#in~x; [L13] havoc round_float_~w~0; [L15] havoc round_float_~exponent_less_127~0; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~x=0.0] [L18] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] round_float_~w~0 := round_float_#t~mem0; [L20] call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L20] havoc round_float_#t~mem0; [L20] havoc round_float_#t~union1; [L18] call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset); [L18] havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~w~0=3, round_float_~x=0.0] [L23] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L25-L46] assume !(round_float_~exponent_less_127~0 < 23); [L41-L45] assume !(128 == round_float_~exponent_less_127~0); [L45] round_float_#res := round_float_~x; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L76] main_#t~ret6 := round_float_#res; [L76] main_~res~0 := main_#t~ret6; [L76] havoc main_#t~ret6; [L79] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] assume !main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79-L82] assume !main_#t~short8; [L79] havoc main_#t~ret7; [L79] havoc main_#t~short8; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L80] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L75] main_~x~0 := 0.0; [L76] round_float_#in~x := main_~x~0; [L76] havoc round_float_#res; [L76] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L12-L53] round_float_~x := round_float_#in~x; [L13] havoc round_float_~w~0; [L15] havoc round_float_~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~x=0.0] [L18] FCALL call round_float_~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(round_float_~x, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] FCALL call round_float_#t~mem0 := read~int({ base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] round_float_~w~0 := round_float_#t~mem0; [L20] FCALL call write~real(round_float_#t~union1, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] havoc round_float_#t~mem0; [L20] havoc round_float_#t~union1; [L18] FCALL call ULTIMATE.dealloc(round_float_~#gf_u~0); [L18] havoc round_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~w~0=3, round_float_~x=0.0] [L23] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L25] COND FALSE !(round_float_~exponent_less_127~0 < 23) [L41] COND FALSE !(128 == round_float_~exponent_less_127~0) [L45] round_float_#res := round_float_~x; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L76] main_#t~ret6 := round_float_#res; [L76] main_~res~0 := main_#t~ret6; [L76] havoc main_#t~ret6; [L79] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] COND FALSE !(main_#t~short8) VAL [#NULL!base=0, #NULL!offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] COND TRUE !main_#t~short8 [L79] havoc main_#t~ret7; [L79] havoc main_#t~short8; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L80] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret6, main_#t~ret7, main_#t~short8, main_~x~0, main_~res~0; [L75] main_~x~0 := 0.0; [L76] round_float_#in~x := main_~x~0; [L76] havoc round_float_#res; [L76] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L12-L53] round_float_~x := round_float_#in~x; [L13] havoc round_float_~w~0; [L15] havoc round_float_~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~x=0.0] [L18] FCALL call round_float_~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(round_float_~x, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] FCALL call round_float_#t~mem0 := read~int({ base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] round_float_~w~0 := round_float_#t~mem0; [L20] FCALL call write~real(round_float_#t~union1, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L20] havoc round_float_#t~mem0; [L20] havoc round_float_#t~union1; [L18] FCALL call ULTIMATE.dealloc(round_float_~#gf_u~0); [L18] havoc round_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~w~0=3, round_float_~x=0.0] [L23] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L25] COND FALSE !(round_float_~exponent_less_127~0 < 23) [L41] COND FALSE !(128 == round_float_~exponent_less_127~0) [L45] round_float_#res := round_float_~x; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L76] main_#t~ret6 := round_float_#res; [L76] main_~res~0 := main_#t~ret6; [L76] havoc main_#t~ret6; [L79] main_#t~short8 := ~someBinaryFLOATComparisonOperation(main_~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] COND FALSE !(main_#t~short8) VAL [#NULL!base=0, #NULL!offset=0, main_#t~short8=false, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L79] COND TRUE !main_#t~short8 [L79] havoc main_#t~ret7; [L79] havoc main_#t~short8; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [L80] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_~res~0=0.0, main_~x~0=0.0, round_float_#in~x=0.0, round_float_#res=0.0, round_float_~exponent_less_127~0=23, round_float_~w~0=3, round_float_~x=0.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L75] ~x~0 := 0.0; [L12-L53] ~x := #in~x; [L13] havoc ~w~0; [L15] havoc ~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~w~0 := #t~mem0; [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L23] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0] [L25] COND FALSE !(~exponent_less_127~0 < 23) [L41] COND FALSE !(128 == ~exponent_less_127~0) [L45] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0] [L76] ~res~0 := #t~ret6; [L76] havoc #t~ret6; [L79] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L79] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0] [L79] COND TRUE !#t~short8 [L79] havoc #t~ret7; [L79] havoc #t~short8; VAL [#NULL!base=0, #NULL!offset=0] [L80] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L75] ~x~0 := 0.0; [L12-L53] ~x := #in~x; [L13] havoc ~w~0; [L15] havoc ~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~w~0 := #t~mem0; [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L23] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0] [L25] COND FALSE !(~exponent_less_127~0 < 23) [L41] COND FALSE !(128 == ~exponent_less_127~0) [L45] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0] [L76] ~res~0 := #t~ret6; [L76] havoc #t~ret6; [L79] #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L79] COND FALSE !(#t~short8) VAL [#NULL!base=0, #NULL!offset=0] [L79] COND TRUE !#t~short8 [L79] havoc #t~ret7; [L79] havoc #t~short8; VAL [#NULL!base=0, #NULL!offset=0] [L80] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L75] float x = 0.0f; [L13] __uint32_t w; [L15] int exponent_less_127; [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L25] COND FALSE !(exponent_less_127 < 23) [L41] COND FALSE !(exponent_less_127 == 128) [L45] return x; [L76] float res = round_float(x); [L79] EXPR res == 0.0f && __signbit_float(res) == 0 [L79] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L80] __VERIFIER_error() ----- [2018-11-23 04:40:17,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:40:17 ImpRootNode [2018-11-23 04:40:17,637 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:40:17,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:40:17,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:40:17,644 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:40:17,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:17" (3/4) ... [2018-11-23 04:40:17,647 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 04:40:17,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:40:17,647 INFO L168 Benchmark]: Toolchain (without parser) took 795.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:17,649 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:40:17,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.85 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:17,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -225.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:17,650 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:17,651 INFO L168 Benchmark]: RCFGBuilder took 255.21 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:17,651 INFO L168 Benchmark]: CodeCheck took 273.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:17,651 INFO L168 Benchmark]: Witness Printer took 9.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:40:17,653 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, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of bitwiseAnd at line 23, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L75] float x = 0.0f; [L13] __uint32_t w; [L15] int exponent_less_127; [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L25] COND FALSE !(exponent_less_127 < 23) [L41] COND FALSE !(exponent_less_127 == 128) [L45] return x; [L76] float res = round_float(x); [L79] EXPR res == 0.0f && __signbit_float(res) == 0 [L79] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L80] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.85 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -225.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 255.21 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * CodeCheck took 273.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Witness Printer took 9.32 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-aa41828 [2018-11-23 04:40:19,030 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:40:19,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:40:19,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-11-23 04:40:19,043 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:40:19,044 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:40:19,044 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:40:19,045 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:40:19,046 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:40:19,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:40:19,047 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:40:19,049 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:40:19,050 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:40:19,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:40:19,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:40:19,053 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:40:19,053 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:40:19,053 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:40:19,054 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:40:19,054 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:40:19,055 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:40:19,056 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:40:19,056 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:40:19,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:40:19,057 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:40:19,057 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:40:19,057 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:40:19,058 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:40:19,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:40:19,059 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 04:40:19,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:40:19,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:40:19,070 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:40:19,070 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:40:19,071 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:40:19,071 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:40:19,071 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:40:19,072 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:40:19,073 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:40:19,073 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:40:19,073 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:40:19,073 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:40:19,073 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:40:19,073 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:40:19,073 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:40:19,073 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:40:19,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:40:19,074 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:40:19,074 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 04:40:19,074 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 04:40:19,074 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:40:19,074 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 04:40:19,074 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 04:40:19,074 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_72583ffe-593f-41f3-8f7c-3a5a61359a0f/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 -> 9a3696439220bbea1d6ed5ed3b22aa10206af5de [2018-11-23 04:40:19,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:40:19,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:40:19,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:40:19,112 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:40:19,112 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:40:19,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2018-11-23 04:40:19,147 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data/db19d676d/45c1c22c758c4913ad538b7ccc1f5609/FLAGfe6833b39 [2018-11-23 04:40:19,538 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:40:19,538 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2018-11-23 04:40:19,543 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data/db19d676d/45c1c22c758c4913ad538b7ccc1f5609/FLAGfe6833b39 [2018-11-23 04:40:19,552 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/data/db19d676d/45c1c22c758c4913ad538b7ccc1f5609 [2018-11-23 04:40:19,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:40:19,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:40:19,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:40:19,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:40:19,558 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:40:19,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2129d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19, skipping insertion in model container [2018-11-23 04:40:19,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:40:19,580 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:40:19,698 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:40:19,701 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:40:19,719 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:40:19,735 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:40:19,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19 WrapperNode [2018-11-23 04:40:19,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:40:19,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:40:19,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:40:19,736 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:40:19,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:40:19,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:40:19,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:40:19,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:40:19,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... [2018-11-23 04:40:19,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:40:19,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:40:19,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:40:19,783 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:40:19,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/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 [2018-11-23 04:40:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 04:40:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:40:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 04:40:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:40:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:40:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 04:40:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 04:40:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:40:20,097 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:40:20,097 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-11-23 04:40:20,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:20 BoogieIcfgContainer [2018-11-23 04:40:20,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:40:20,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:40:20,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:40:20,106 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:40:20,106 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:20" (1/1) ... [2018-11-23 04:40:20,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:40:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-23 04:40:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-23 04:40:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 04:40:20,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:20,174 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 04:40:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:20,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-23 04:40:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-23 04:40:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 04:40:20,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:20,204 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 04:40:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:20,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-11-23 04:40:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-23 04:40:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 04:40:20,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:20,366 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 04:40:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:20,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-11-23 04:40:20,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-23 04:40:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 04:40:20,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:20,720 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 04:40:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:20,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-11-23 04:40:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-23 04:40:20,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 04:40:20,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:20,737 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 04:40:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:20,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2018-11-23 04:40:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-23 04:40:20,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 04:40:20,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:20,753 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 04:40:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:20,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:20,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-11-23 04:40:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-11-23 04:40:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 04:40:21,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:21,277 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 04:40:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:21,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-11-23 04:40:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-11-23 04:40:21,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:40:21,681 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 04:40:21,688 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 04:40:21,729 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 04:40:21,734 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 04:40:21,735 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:40:21,735 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 04:40:21,736 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 04:40:21,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:40:21 ImpRootNode [2018-11-23 04:40:21,736 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:40:21,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:40:21,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:40:21,737 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:40:21,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:20" (3/4) ... [2018-11-23 04:40:21,740 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:40:21,746 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 04:40:21,746 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 04:40:21,746 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:40:21,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~Pluszero~LONGDOUBLE() [2018-11-23 04:40:21,781 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_72583ffe-593f-41f3-8f7c-3a5a61359a0f/bin-2019/ukojak/witness.graphml [2018-11-23 04:40:21,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:40:21,781 INFO L168 Benchmark]: Toolchain (without parser) took 2226.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 950.8 MB in the beginning and 925.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 171.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:21,782 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-23 04:40:21,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:21,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:40:21,783 INFO L168 Benchmark]: Boogie Preprocessor took 20.00 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:40:21,783 INFO L168 Benchmark]: RCFGBuilder took 314.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:21,784 INFO L168 Benchmark]: CodeCheck took 1638.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.3 MB in the end (delta: 183.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:21,784 INFO L168 Benchmark]: Witness Printer took 44.30 ms. Allocated memory is still 1.2 GB. Free memory was 932.3 MB in the beginning and 925.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:40:21,786 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, 1.5s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1340 SDtfs, 450 SDslu, 332 SDs, 0 SdLazy, 1864 SolverSat, 522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 651 GetRequests, 609 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 1 QuantifiedInterpolants, 3419 SizeOfPredicates, 31 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 45 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: 80]: 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: 17]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 179.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.00 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 314.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1638.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.3 MB in the end (delta: 183.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.30 ms. Allocated memory is still 1.2 GB. Free memory was 932.3 MB in the beginning and 925.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...