./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_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_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa ................................................................................................................................................................................................................................. 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_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/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 70ee165c745ab937eeca69bc762f66bcb3efe6fa .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:38:39,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:38:39,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:38:39,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:38:39,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:38:39,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:38:39,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:38:39,580 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:38:39,581 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:38:39,581 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:38:39,581 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:38:39,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:38:39,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:38:39,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:38:39,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:38:39,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:38:39,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:38:39,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:38:39,586 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:38:39,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:38:39,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:38:39,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:38:39,589 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:38:39,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:38:39,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:38:39,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:38:39,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:38:39,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:38:39,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:38:39,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:38:39,591 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:38:39,591 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:38:39,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:38:39,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:38:39,592 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:38:39,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:38:39,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 18:38:39,600 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:38:39,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:38:39,601 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:38:39,601 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 18:38:39,601 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 18:38:39,601 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 18:38:39,601 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:38:39,601 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:38:39,601 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:38:39,602 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 18:38:39,602 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 18:38:39,602 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:38:39,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:38:39,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 18:38:39,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:38:39,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:38:39,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:38:39,603 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 18:38:39,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:38:39,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:38:39,603 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_334f3502-40e6-42d9-ba6b-1e878f7e5303/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-12-09 18:38:39,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:38:39,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:38:39,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:38:39,634 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:38:39,634 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:38:39,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-12-09 18:38:39,668 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data/3df174314/b3472b4dce8d4fb1abba49ad5193e265/FLAG1d666289d [2018-12-09 18:38:40,072 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:38:40,073 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-12-09 18:38:40,076 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data/3df174314/b3472b4dce8d4fb1abba49ad5193e265/FLAG1d666289d [2018-12-09 18:38:40,084 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data/3df174314/b3472b4dce8d4fb1abba49ad5193e265 [2018-12-09 18:38:40,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:38:40,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:38:40,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:40,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:38:40,089 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:38:40,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf82b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40, skipping insertion in model container [2018-12-09 18:38:40,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:38:40,105 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:38:40,192 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:40,194 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:38:40,206 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:40,218 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:38:40,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40 WrapperNode [2018-12-09 18:38:40,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:40,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:40,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:38:40,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:38:40,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:40,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:38:40,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:38:40,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:38:40,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:38:40,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:38:40,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:38:40,296 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:38:40,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/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 [2018-12-09 18:38:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 18:38:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 18:38:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 18:38:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:38:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:38:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:38:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 18:38:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:38:40,447 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:38:40,447 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 18:38:40,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:40 BoogieIcfgContainer [2018-12-09 18:38:40,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:38:40,447 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 18:38:40,448 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 18:38:40,455 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 18:38:40,455 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:40" (1/1) ... [2018-12-09 18:38:40,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-12-09 18:38:40,484 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-12-09 18:38:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 18:38:40,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-12-09 18:38:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-12-09 18:38:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 18:38:40,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:38:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:38:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:38:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:38:40,624 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-09 18:38:40,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 06:38:40 ImpRootNode [2018-12-09 18:38:40,639 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 18:38:40,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:38:40,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:38:40,640 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:38:40,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:40" (3/4) ... [2018-12-09 18:38:40,642 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 18:38:40,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:38:40,643 INFO L168 Benchmark]: Toolchain (without parser) took 556.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -106.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:40,644 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:38:40,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.32 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:40,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.81 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:40,645 INFO L168 Benchmark]: Boogie Preprocessor took 48.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:40,646 INFO L168 Benchmark]: RCFGBuilder took 151.06 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:40,646 INFO L168 Benchmark]: CodeCheck took 191.79 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:40,646 INFO L168 Benchmark]: Witness Printer took 3.00 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. [2018-12-09 18:38:40,648 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, 15 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 39 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L35] float x = 0.0f / 0.0f; [L15] __uint32_t ix; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L22] ieee_float_shape_type sf_u; [L23] sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] (x) = sf_u.value [L26] return x; [L36] float res = fabs_float(x); [L12] return x != x; [L39] COND TRUE !isnan_float(res) [L40] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.32 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.81 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 151.06 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * CodeCheck took 191.79 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.00 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. 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 [2018-12-09 18:38:41,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:38:41,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:38:41,956 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:38:41,956 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:38:41,957 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:38:41,957 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:38:41,958 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:38:41,959 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:38:41,959 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:38:41,960 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:38:41,960 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:38:41,960 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:38:41,961 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:38:41,961 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:38:41,962 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:38:41,962 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:38:41,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:38:41,964 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:38:41,964 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:38:41,965 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:38:41,965 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:38:41,966 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:38:41,967 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:38:41,967 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:38:41,967 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:38:41,968 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:38:41,968 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:38:41,968 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:38:41,969 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:38:41,969 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:38:41,969 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:38:41,969 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:38:41,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:38:41,970 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:38:41,970 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:38:41,970 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 18:38:41,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:38:41,978 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:38:41,978 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:38:41,978 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 18:38:41,979 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 18:38:41,979 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 18:38:41,979 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:38:41,979 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:38:41,979 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:38:41,979 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:38:41,979 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:38:41,979 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:38:41,979 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:38:41,979 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 18:38:41,980 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 18:38:41,980 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:38:41,980 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:38:41,980 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:38:41,980 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:38:41,980 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 18:38:41,980 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 18:38:41,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:38:41,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:38:41,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 18:38:41,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:38:41,981 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:38:41,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:38:41,981 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 18:38:41,981 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 18:38:41,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:38:41,981 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 18:38:41,981 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 18:38:41,981 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_334f3502-40e6-42d9-ba6b-1e878f7e5303/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 -> 70ee165c745ab937eeca69bc762f66bcb3efe6fa [2018-12-09 18:38:41,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:38:42,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:38:42,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:38:42,010 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:38:42,010 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:38:42,011 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-12-09 18:38:42,045 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data/216f8bd3f/6fe408a5cbde4cd38b09740158cfc695/FLAGc1b02032d [2018-12-09 18:38:42,444 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:38:42,445 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-12-09 18:38:42,448 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data/216f8bd3f/6fe408a5cbde4cd38b09740158cfc695/FLAGc1b02032d [2018-12-09 18:38:42,457 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/data/216f8bd3f/6fe408a5cbde4cd38b09740158cfc695 [2018-12-09 18:38:42,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:38:42,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:38:42,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:42,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:38:42,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:38:42,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1e8136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42, skipping insertion in model container [2018-12-09 18:38:42,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:38:42,477 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:38:42,567 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:42,570 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:38:42,583 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:42,597 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:38:42,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42 WrapperNode [2018-12-09 18:38:42,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:42,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:42,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:38:42,598 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:38:42,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:42,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:38:42,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:38:42,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:38:42,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:38:42,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:38:42,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:38:42,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:38:42,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/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 [2018-12-09 18:38:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 18:38:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:38:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 18:38:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:38:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:38:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 18:38:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 18:38:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:38:42,790 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 18:38:42,826 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:38:42,826 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 18:38:42,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:42 BoogieIcfgContainer [2018-12-09 18:38:42,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:38:42,827 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 18:38:42,827 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 18:38:42,834 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 18:38:42,834 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:42" (1/1) ... [2018-12-09 18:38:42,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-12-09 18:38:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-12-09 18:38:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 18:38:42,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:42,904 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 18:38:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:42,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:42,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-12-09 18:38:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-12-09 18:38:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 18:38:42,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:42,935 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 18:38:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:42,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:38:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-12-09 18:38:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-12-09 18:38:43,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:38:43,114 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-12-09 18:38:43,120 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 18:38:43,135 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 18:38:43,137 INFO L583 CodeCheckObserver]: Invariant with dag size 5 [2018-12-09 18:38:43,140 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:38:43,141 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:38:43,142 INFO L583 CodeCheckObserver]: Invariant with dag size 5 [2018-12-09 18:38:43,142 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:38:43,142 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:38:43,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 06:38:43 ImpRootNode [2018-12-09 18:38:43,143 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 18:38:43,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:38:43,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:38:43,143 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:38:43,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:42" (3/4) ... [2018-12-09 18:38:43,145 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:38:43,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 18:38:43,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 18:38:43,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:38:43,175 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_334f3502-40e6-42d9-ba6b-1e878f7e5303/bin-2019/ukojak/witness.graphml [2018-12-09 18:38:43,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:38:43,175 INFO L168 Benchmark]: Toolchain (without parser) took 716.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -125.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:43,176 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 18:38:43,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.99 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. [2018-12-09 18:38:43,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.91 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. [2018-12-09 18:38:43,177 INFO L168 Benchmark]: Boogie Preprocessor took 17.11 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. [2018-12-09 18:38:43,177 INFO L168 Benchmark]: RCFGBuilder took 188.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:43,178 INFO L168 Benchmark]: CodeCheck took 315.50 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: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:38:43,178 INFO L168 Benchmark]: Witness Printer took 32.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:38:43,180 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, 15 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 8 SDslu, 8 SDs, 0 SdLazy, 32 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 6 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 10 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 40]: 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: 29]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant [2018-12-09 18:38:43,180 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:38:43,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant [2018-12-09 18:38:43,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 18:38:43,181 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.99 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 22.91 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 17.11 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 188.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 315.50 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: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. * Witness Printer took 32.11 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! Received shutdown request...