./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/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_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/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_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/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_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/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 0.1.23-635dfa2 [2018-12-01 16:41:45,510 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:41:45,511 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:41:45,517 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:41:45,518 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:41:45,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:41:45,519 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:41:45,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:41:45,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:41:45,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:41:45,523 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:41:45,523 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:41:45,523 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:41:45,524 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:41:45,524 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:41:45,525 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:41:45,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:41:45,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:41:45,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:41:45,528 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:41:45,529 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:41:45,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:41:45,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:41:45,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:41:45,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:41:45,531 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:41:45,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:41:45,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:41:45,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:41:45,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:41:45,534 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:41:45,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:41:45,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:41:45,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:41:45,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:41:45,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:41:45,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 16:41:45,543 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:41:45,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:41:45,543 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:41:45,544 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:41:45,544 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:41:45,544 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:41:45,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:41:45,545 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:41:45,545 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:41:45,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:41:45,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:41:45,545 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:41:45,545 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:41:45,545 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:41:45,546 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:41:45,546 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:41:45,546 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:41:45,546 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:41:45,546 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:41:45,546 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:41:45,547 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:41:45,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:41:45,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:41:45,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:41:45,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:41:45,547 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:41:45,548 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:41:45,548 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:41:45,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:41:45,548 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_c0846862-58a9-4f4d-b785-3381c257f162/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 [2018-12-01 16:41:45,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:41:45,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:41:45,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:41:45,575 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:41:45,575 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:41:45,575 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2018-12-01 16:41:45,610 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data/b4dc570f5/f9da58a30ad04407b246bd4a9e955c84/FLAG2973ede27 [2018-12-01 16:41:46,009 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:41:46,009 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2018-12-01 16:41:46,013 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data/b4dc570f5/f9da58a30ad04407b246bd4a9e955c84/FLAG2973ede27 [2018-12-01 16:41:46,021 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data/b4dc570f5/f9da58a30ad04407b246bd4a9e955c84 [2018-12-01 16:41:46,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:41:46,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:41:46,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:41:46,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:41:46,028 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:41:46,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12aaf70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46, skipping insertion in model container [2018-12-01 16:41:46,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:41:46,045 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:41:46,147 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:41:46,149 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:41:46,164 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:41:46,176 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:41:46,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46 WrapperNode [2018-12-01 16:41:46,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:41:46,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:41:46,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:41:46,177 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:41:46,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:41:46,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:41:46,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:41:46,229 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:41:46,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:41:46,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:41:46,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:41:46,246 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:41:46,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/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 16:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-01 16:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 16:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-01 16:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:41:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:41:46,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:41:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 16:41:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 16:41:46,423 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:41:46,423 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-01 16:41:46,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:46 BoogieIcfgContainer [2018-12-01 16:41:46,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:41:46,423 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:41:46,424 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:41:46,430 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:41:46,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:46" (1/1) ... [2018-12-01 16:41:46,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:41:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-12-01 16:41:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-12-01 16:41:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 16:41:46,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:46,519 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 16:41:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-01 16:41:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-01 16:41:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 16:41:46,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:41:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:41:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:41:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:41:46,602 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 16:41:46,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:41:46 ImpRootNode [2018-12-01 16:41:46,617 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:41:46,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:41:46,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:41:46,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:41:46,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:46" (3/4) ... [2018-12-01 16:41:46,620 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 16:41:46,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:41:46,621 INFO L168 Benchmark]: Toolchain (without parser) took 596.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -96.6 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:46,622 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:41:46,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.16 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:46,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:46,623 INFO L168 Benchmark]: Boogie Preprocessor took 15.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:41:46,623 INFO L168 Benchmark]: RCFGBuilder took 177.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:46,624 INFO L168 Benchmark]: CodeCheck took 193.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:46,624 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:46,626 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: 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.16 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 177.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 193.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. 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 16:41:47,931 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:41:47,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:41:47,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:41:47,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:41:47,940 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:41:47,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:41:47,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:41:47,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:41:47,942 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:41:47,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:41:47,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:41:47,943 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:41:47,944 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:41:47,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:41:47,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:41:47,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:41:47,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:41:47,948 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:41:47,948 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:41:47,949 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:41:47,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:41:47,952 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:41:47,952 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:41:47,952 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:41:47,953 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:41:47,953 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:41:47,954 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:41:47,955 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:41:47,955 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:41:47,955 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:41:47,956 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:41:47,956 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:41:47,956 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:41:47,957 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:41:47,957 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:41:47,958 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-01 16:41:47,968 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:41:47,968 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:41:47,969 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:41:47,969 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:41:47,969 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:41:47,970 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:41:47,970 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:41:47,970 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:41:47,970 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:41:47,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:41:47,970 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:41:47,970 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:41:47,971 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:41:47,971 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 16:41:47,971 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 16:41:47,971 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:41:47,971 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:41:47,971 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:41:47,971 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:41:47,972 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:41:47,972 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:41:47,972 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:41:47,972 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:41:47,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:41:47,973 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:41:47,973 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:41:47,973 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:41:47,973 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 16:41:47,973 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 16:41:47,973 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:41:47,973 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 16:41:47,974 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 16:41:47,974 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_c0846862-58a9-4f4d-b785-3381c257f162/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 [2018-12-01 16:41:47,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:41:48,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:41:48,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:41:48,008 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:41:48,009 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:41:48,009 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2018-12-01 16:41:48,044 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data/58d49db23/85c4e35568034d4884b4ec3ca1915b34/FLAG05650b8fd [2018-12-01 16:41:48,377 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:41:48,377 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/sv-benchmarks/c/float-newlib/float_req_bl_1032a_true-unreach-call.c [2018-12-01 16:41:48,381 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data/58d49db23/85c4e35568034d4884b4ec3ca1915b34/FLAG05650b8fd [2018-12-01 16:41:48,779 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/data/58d49db23/85c4e35568034d4884b4ec3ca1915b34 [2018-12-01 16:41:48,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:41:48,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:41:48,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:41:48,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:41:48,785 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:41:48,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48, skipping insertion in model container [2018-12-01 16:41:48,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:41:48,806 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:41:48,899 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:41:48,902 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:41:48,919 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:41:48,933 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:41:48,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48 WrapperNode [2018-12-01 16:41:48,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:41:48,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:41:48,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:41:48,934 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:41:48,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:41:48,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:41:48,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:41:48,957 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:41:48,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... [2018-12-01 16:41:48,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:41:48,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:41:48,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:41:48,976 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:41:48,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:41:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/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 16:41:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-01 16:41:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:41:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 16:41:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:41:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:41:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-01 16:41:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 16:41:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 16:41:49,121 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 16:41:49,135 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-01 16:41:49,220 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:41:49,221 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-01 16:41:49,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:49 BoogieIcfgContainer [2018-12-01 16:41:49,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:41:49,221 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:41:49,221 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:41:49,227 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:41:49,227 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:49" (1/1) ... [2018-12-01 16:41:49,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:41:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-12-01 16:41:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-12-01 16:41:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 16:41:49,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:49,289 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:41:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:49,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:41:49,310 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 16:41:49,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-01 16:41:49,316 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-01 16:41:49,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 16:41:49,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:49,317 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:41:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:49,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:41:49,368 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 16:41:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-12-01 16:41:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-12-01 16:41:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 16:41:49,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:49,451 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:41:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:49,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:41:49,493 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 16:41:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-12-01 16:41:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-12-01 16:41:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 16:41:49,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:49,834 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:41:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:49,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:41:49,844 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 16:41:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-12-01 16:41:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-01 16:41:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 16:41:49,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:49,847 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:41:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:49,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:41:49,857 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 16:41:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2018-12-01 16:41:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-01 16:41:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 16:41:49,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:49,861 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:41:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:49,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:41:49,945 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 16:41:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-12-01 16:41:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-12-01 16:41:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 16:41:50,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:41:50,354 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-01 16:41:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:41:50,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:41:50,526 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 16:41:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:41:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-12-01 16:41:50,834 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-12-01 16:41:50,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:41:50,834 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-01 16:41:50,840 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 16:41:50,883 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 16:41:50,889 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 16:41:50,889 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:41:50,889 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-01 16:41:50,890 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 16:41:50,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:41:50 ImpRootNode [2018-12-01 16:41:50,890 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:41:50,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:41:50,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:41:50,891 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:41:50,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:41:49" (3/4) ... [2018-12-01 16:41:50,893 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:41:50,899 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-01 16:41:50,899 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 16:41:50,899 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 16:41:50,915 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~Pluszero~LONGDOUBLE() [2018-12-01 16:41:50,931 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c0846862-58a9-4f4d-b785-3381c257f162/bin-2019/ukojak/witness.graphml [2018-12-01 16:41:50,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:41:50,932 INFO L168 Benchmark]: Toolchain (without parser) took 2150.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 943.4 MB in the beginning and 907.0 MB in the end (delta: 36.4 MB). Peak memory consumption was 170.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:50,933 INFO L168 Benchmark]: CDTParser took 0.13 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 16:41:50,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.16 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 16:41:50,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.13 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 16:41:50,934 INFO L168 Benchmark]: Boogie Preprocessor took 18.68 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:41:50,934 INFO L168 Benchmark]: RCFGBuilder took 245.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:50,934 INFO L168 Benchmark]: CodeCheck took 1669.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.6 MB in the end (delta: 185.0 MB). Peak memory consumption was 185.0 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:50,934 INFO L168 Benchmark]: Witness Printer took 41.03 ms. Allocated memory is still 1.2 GB. Free memory was 913.6 MB in the beginning and 907.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:41:50,936 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, 0.6s 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, 221 ConjunctsInSsa, 53 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 0.13 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 150.16 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 23.13 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 18.68 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 245.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1669.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.6 MB in the end (delta: 185.0 MB). Peak memory consumption was 185.0 MB. Max. memory is 11.5 GB. * Witness Printer took 41.03 ms. Allocated memory is still 1.2 GB. Free memory was 913.6 MB in the beginning and 907.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...