./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/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 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 .................................................................................................................................................................................................................................................. 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_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/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 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:53:43,235 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:53:43,236 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:53:43,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:53:43,245 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:53:43,246 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:53:43,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:53:43,249 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:53:43,250 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:53:43,251 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:53:43,252 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:53:43,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:53:43,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:53:43,254 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:53:43,255 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:53:43,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:53:43,257 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:53:43,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:53:43,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:53:43,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:53:43,263 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:53:43,264 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:53:43,266 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:53:43,266 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:53:43,267 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:53:43,267 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:53:43,269 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:53:43,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:53:43,270 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:53:43,271 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:53:43,271 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:53:43,272 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:53:43,272 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:53:43,272 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:53:43,273 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:53:43,274 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:53:43,275 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:53:43,287 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:53:43,287 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:53:43,288 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:53:43,288 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:53:43,289 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:53:43,289 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:53:43,289 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:53:43,290 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:53:43,290 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:53:43,290 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:53:43,290 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:53:43,290 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:53:43,290 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:53:43,291 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:53:43,291 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:53:43,291 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:53:43,291 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:53:43,291 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:53:43,291 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:53:43,292 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:53:43,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:53:43,294 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:53:43,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:53:43,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:53:43,294 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:53:43,294 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:53:43,294 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:53:43,295 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:53:43,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:53:43,295 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_72b5ba00-8dea-4ba9-8a8e-329929da2461/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 -> 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 [2018-11-18 18:53:43,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:53:43,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:53:43,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:53:43,336 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:53:43,337 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:53:43,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-11-18 18:53:43,391 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data/69529103f/83d5bd94ef8641cbb527485d87aefcc5/FLAGbbfa8de5f [2018-11-18 18:53:43,760 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:53:43,761 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-11-18 18:53:43,767 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data/69529103f/83d5bd94ef8641cbb527485d87aefcc5/FLAGbbfa8de5f [2018-11-18 18:53:44,124 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data/69529103f/83d5bd94ef8641cbb527485d87aefcc5 [2018-11-18 18:53:44,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:53:44,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:53:44,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:53:44,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:53:44,133 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:53:44,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f34336b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44, skipping insertion in model container [2018-11-18 18:53:44,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:53:44,169 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:53:44,336 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:53:44,339 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:53:44,359 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:53:44,376 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:53:44,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44 WrapperNode [2018-11-18 18:53:44,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:53:44,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:53:44,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:53:44,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:53:44,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:53:44,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:53:44,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:53:44,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:53:44,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... [2018-11-18 18:53:44,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:53:44,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:53:44,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:53:44,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:53:44,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/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 [2018-11-18 18:53:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-18 18:53:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-18 18:53:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 18:53:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:53:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:53:44,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:53:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 18:53:44,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:53:45,542 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:53:45,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:53:45 BoogieIcfgContainer [2018-11-18 18:53:45,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:53:45,543 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:53:45,543 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:53:45,554 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:53:45,556 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:53:45" (1/1) ... [2018-11-18 18:53:45,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:53:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:53:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-18 18:53:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-18 18:53:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:53:45,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:53:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:53:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:53:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:53:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-18 18:53:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-18 18:53:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:53:45,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:53:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:53:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:53:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:53:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:53:45,914 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 18:53:45,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:53:45 ImpRootNode [2018-11-18 18:53:45,971 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:53:45,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:53:45,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:53:45,973 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:53:45,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:53:45" (3/4) ... [2018-11-18 18:53:45,978 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 18:53:45,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:53:45,979 INFO L168 Benchmark]: Toolchain (without parser) took 1851.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 959.6 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:45,994 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:53:45,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.97 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 946.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:45,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.67 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:53:45,998 INFO L168 Benchmark]: Boogie Preprocessor took 52.78 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:45,999 INFO L168 Benchmark]: RCFGBuilder took 1068.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:46,001 INFO L168 Benchmark]: CodeCheck took 428.73 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:46,002 INFO L168 Benchmark]: Witness Printer took 6.07 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. [2018-11-18 18:53:46,005 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 2 procedures, 27 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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: 65]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L60] float x = 0.0f / 0.0f; [L61] float y = 0.0f / 0.0f; [L62] CALL, EXPR fmax_float(x, y) [L43] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L20] __uint32_t w; VAL [\old(x)=1, x=1] [L23] FCALL ieee_float_shape_type gf_u; [L24] FCALL gf_u.value = (x) [L25] EXPR, FCALL gf_u.word [L25] (w) = gf_u.word [L26] COND FALSE !(0) VAL [\old(x)=1, w=2139095041, x=1] [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] RET return 0; [L43] EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] RET return y; [L62] EXPR fmax_float(x, y) [L62] float res = fmax_float(x, y); [L64] CALL, EXPR isnan_float(res) [L54] RET return x != x; [L64] EXPR isnan_float(res) [L64] COND TRUE !isnan_float(res) [L65] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.97 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 946.2 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 42.67 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.78 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1068.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * CodeCheck took 428.73 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.07 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 0.1.23-5842f4b [2018-11-18 18:53:48,486 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:53:48,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:53:48,500 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:53:48,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:53:48,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:53:48,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:53:48,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:53:48,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:53:48,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:53:48,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:53:48,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:53:48,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:53:48,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:53:48,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:53:48,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:53:48,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:53:48,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:53:48,521 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:53:48,522 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:53:48,523 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:53:48,536 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:53:48,538 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:53:48,539 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:53:48,539 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:53:48,539 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:53:48,544 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:53:48,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:53:48,549 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:53:48,550 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:53:48,550 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:53:48,551 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:53:48,551 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:53:48,551 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:53:48,555 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:53:48,556 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:53:48,556 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 18:53:48,573 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:53:48,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:53:48,579 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:53:48,579 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:53:48,580 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:53:48,580 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:53:48,580 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:53:48,580 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:53:48,580 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:53:48,580 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:53:48,580 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:53:48,580 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:53:48,581 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:53:48,581 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 18:53:48,581 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 18:53:48,581 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:53:48,581 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:53:48,581 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:53:48,581 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:53:48,581 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:53:48,582 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:53:48,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:53:48,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:53:48,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:53:48,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:53:48,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:53:48,582 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:53:48,582 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 18:53:48,583 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 18:53:48,583 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:53:48,583 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 18:53:48,583 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 18:53:48,583 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_72b5ba00-8dea-4ba9-8a8e-329929da2461/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 -> 7aa9ac80ed7bb9ce6b78459a496e265402ed9cc3 [2018-11-18 18:53:48,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:53:48,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:53:48,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:53:48,655 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:53:48,655 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:53:48,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-11-18 18:53:48,711 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data/6640c830f/cb5613d929604b0eb0039a6b5e4f9fb3/FLAGcd54cde25 [2018-11-18 18:53:49,125 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:53:49,125 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/sv-benchmarks/c/float-newlib/float_req_bl_1250_true-unreach-call.c [2018-11-18 18:53:49,132 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data/6640c830f/cb5613d929604b0eb0039a6b5e4f9fb3/FLAGcd54cde25 [2018-11-18 18:53:49,528 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/data/6640c830f/cb5613d929604b0eb0039a6b5e4f9fb3 [2018-11-18 18:53:49,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:53:49,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:53:49,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:53:49,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:53:49,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:53:49,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba063e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49, skipping insertion in model container [2018-11-18 18:53:49,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:53:49,571 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:53:49,795 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:53:49,809 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:53:49,842 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:53:49,874 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:53:49,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49 WrapperNode [2018-11-18 18:53:49,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:53:49,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:53:49,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:53:49,875 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:53:49,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:53:49,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:53:49,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:53:49,922 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:53:49,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... [2018-11-18 18:53:49,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:53:49,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:53:49,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:53:49,968 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:53:49,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:53:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/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 [2018-11-18 18:53:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-18 18:53:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-18 18:53:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:53:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 18:53:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:53:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:53:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 18:53:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 18:53:50,871 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:53:50,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:53:50 BoogieIcfgContainer [2018-11-18 18:53:50,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:53:50,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:53:50,872 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:53:50,881 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:53:50,882 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:53:50" (1/1) ... [2018-11-18 18:53:50,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:53:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:53:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-18 18:53:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-18 18:53:50,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:53:50,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:53:50,988 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:53:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:53:51,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:53:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:53:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:53:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-11-18 18:53:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 18:53:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:53:51,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:53:51,075 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:53:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:53:51,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:53:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:53:51,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:53:51,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2018-11-18 18:53:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-18 18:53:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 18:53:51,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:53:51,655 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:53:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:53:51,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:53:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:53:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:53:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2018-11-18 18:53:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-18 18:53:52,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:53:52,099 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-18 18:53:52,108 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:53:52,172 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:53:52,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:53:52,175 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:53:52,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:53:52 ImpRootNode [2018-11-18 18:53:52,176 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:53:52,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:53:52,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:53:52,176 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:53:52,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:53:50" (3/4) ... [2018-11-18 18:53:52,180 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:53:52,186 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-11-18 18:53:52,191 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-18 18:53:52,191 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 18:53:52,191 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:53:52,191 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 18:53:52,251 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_72b5ba00-8dea-4ba9-8a8e-329929da2461/bin-2019/ukojak/witness.graphml [2018-11-18 18:53:52,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:53:52,253 INFO L168 Benchmark]: Toolchain (without parser) took 2720.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -104.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:52,255 INFO L168 Benchmark]: CDTParser took 0.53 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. [2018-11-18 18:53:52,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:52,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.88 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:53:52,256 INFO L168 Benchmark]: Boogie Preprocessor took 45.67 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:53:52,256 INFO L168 Benchmark]: RCFGBuilder took 903.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:52,256 INFO L168 Benchmark]: CodeCheck took 1303.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:52,257 INFO L168 Benchmark]: Witness Printer took 75.79 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:53:52,260 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 2 procedures, 25 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 88 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575 SizeOfPredicates, 19 NumberOfNonLiveVariables, 125 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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: 65]: 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: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 341.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 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 46.88 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.67 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 903.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1303.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * Witness Printer took 75.79 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...