./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/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_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/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_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/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_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/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 0.1.23-5842f4b [2018-11-18 14:04:27,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:04:27,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:04:27,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:04:27,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:04:27,562 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:04:27,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:04:27,564 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:04:27,565 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:04:27,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:04:27,566 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:04:27,566 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:04:27,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:04:27,567 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:04:27,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:04:27,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:04:27,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:04:27,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:04:27,572 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:04:27,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:04:27,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:04:27,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:04:27,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:04:27,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:04:27,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:04:27,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:04:27,578 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:04:27,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:04:27,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:04:27,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:04:27,580 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:04:27,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:04:27,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:04:27,581 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:04:27,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:04:27,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:04:27,581 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:04:27,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:04:27,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:04:27,592 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:04:27,592 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:04:27,593 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:04:27,593 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:04:27,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:04:27,593 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:04:27,594 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:04:27,594 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:04:27,594 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:04:27,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:04:27,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:04:27,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:04:27,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:04:27,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:04:27,595 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:04:27,595 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:04:27,595 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:04:27,595 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:04:27,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:04:27,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:04:27,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:04:27,596 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:04:27,596 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:04:27,596 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:04:27,596 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:04:27,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:04:27,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:04:27,596 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_b364c5d2-894c-4fad-9aad-ae6ad6638d58/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 [2018-11-18 14:04:27,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:04:27,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:04:27,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:04:27,633 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:04:27,633 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:04:27,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-18 14:04:27,674 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data/fcf19128e/5435581cd8f44623a22f05890e963745/FLAG789b0aec8 [2018-11-18 14:04:27,978 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:04:27,978 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-18 14:04:27,982 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data/fcf19128e/5435581cd8f44623a22f05890e963745/FLAG789b0aec8 [2018-11-18 14:04:27,995 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data/fcf19128e/5435581cd8f44623a22f05890e963745 [2018-11-18 14:04:27,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:04:27,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:04:28,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:04:28,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:04:28,003 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:04:28,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:04:27" (1/1) ... [2018-11-18 14:04:28,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af2b395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28, skipping insertion in model container [2018-11-18 14:04:28,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:04:27" (1/1) ... [2018-11-18 14:04:28,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:04:28,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:04:28,141 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:04:28,142 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:04:28,153 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:04:28,165 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:04:28,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28 WrapperNode [2018-11-18 14:04:28,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:04:28,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:04:28,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:04:28,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:04:28,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:04:28,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:04:28,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:04:28,188 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:04:28,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:04:28,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:04:28,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:04:28,238 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:04:28,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/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 14:04:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 14:04:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 14:04:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 14:04:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:04:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:04:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:04:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 14:04:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:04:28,401 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:04:28,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:04:28 BoogieIcfgContainer [2018-11-18 14:04:28,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:04:28,401 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:04:28,402 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:04:28,410 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:04:28,410 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:04:28" (1/1) ... [2018-11-18 14:04:28,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:04:28,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:04:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-18 14:04:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-18 14:04:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 14:04:28,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:04:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:04:28,506 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 14:04:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:04:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-18 14:04:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-18 14:04:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 14:04:28,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:04:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:04:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:04:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:04:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:04:28,610 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 14:04:28,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:04:28 ImpRootNode [2018-11-18 14:04:28,626 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:04:28,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:04:28,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:04:28,626 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:04:28,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:04:28" (3/4) ... [2018-11-18 14:04:28,629 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:04:28,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:04:28,630 INFO L168 Benchmark]: Toolchain (without parser) took 631.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:04:28,631 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:04:28,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.81 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 943.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:28,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.24 ms. Allocated memory is still 1.0 GB. Free memory was 943.1 MB in the beginning and 940.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:28,632 INFO L168 Benchmark]: Boogie Preprocessor took 49.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -208.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:28,633 INFO L168 Benchmark]: RCFGBuilder took 163.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:28,633 INFO L168 Benchmark]: CodeCheck took 224.31 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:28,633 INFO L168 Benchmark]: Witness Printer took 3.18 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 14:04:28,636 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; [L36] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; [L17] FCALL ieee_float_shape_type gf_u; [L18] FCALL gf_u.value = (x) [L19] EXPR, FCALL gf_u.word [L19] (ix) = gf_u.word [L20] COND FALSE !(0) [L22] FCALL ieee_float_shape_type sf_u; [L23] FCALL sf_u.word = (ix & 0x7fffffff) [L24] EXPR, FCALL sf_u.value [L24] (x) = sf_u.value [L25] COND FALSE !(0) [L26] RET return x; [L36] EXPR fabs_float(x) [L36] float res = fabs_float(x); [L39] CALL, EXPR isnan_float(res) [L12] RET return x != x; [L39] EXPR isnan_float(res) [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 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.81 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 943.1 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 22.24 ms. Allocated memory is still 1.0 GB. Free memory was 943.1 MB in the beginning and 940.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -208.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 163.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * CodeCheck took 224.31 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.18 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 14:04:30,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:04:30,030 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:04:30,036 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:04:30,037 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:04:30,037 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:04:30,038 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:04:30,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:04:30,039 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:04:30,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:04:30,040 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:04:30,040 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:04:30,041 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:04:30,041 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:04:30,042 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:04:30,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:04:30,043 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:04:30,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:04:30,045 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:04:30,046 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:04:30,047 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:04:30,048 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:04:30,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:04:30,050 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:04:30,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:04:30,051 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:04:30,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:04:30,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:04:30,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:04:30,054 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:04:30,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:04:30,055 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:04:30,055 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:04:30,055 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:04:30,056 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:04:30,056 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:04:30,057 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 14:04:30,067 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:04:30,067 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:04:30,068 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:04:30,068 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:04:30,069 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:04:30,069 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:04:30,069 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:04:30,070 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:04:30,070 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:04:30,070 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:04:30,070 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:04:30,070 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:04:30,070 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:04:30,071 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 14:04:30,071 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 14:04:30,071 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:04:30,071 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:04:30,071 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:04:30,071 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:04:30,071 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:04:30,072 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:04:30,072 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:04:30,072 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:04:30,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:04:30,072 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:04:30,072 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:04:30,073 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:04:30,073 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 14:04:30,073 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 14:04:30,073 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:04:30,073 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 14:04:30,073 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 14:04:30,073 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_b364c5d2-894c-4fad-9aad-ae6ad6638d58/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 [2018-11-18 14:04:30,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:04:30,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:04:30,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:04:30,116 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:04:30,116 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:04:30,117 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-18 14:04:30,161 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data/85550434f/0454131e010a4e93baf5bda45dcbca8c/FLAG867d8cadc [2018-11-18 14:04:30,479 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:04:30,479 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/sv-benchmarks/c/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-11-18 14:04:30,483 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data/85550434f/0454131e010a4e93baf5bda45dcbca8c/FLAG867d8cadc [2018-11-18 14:04:30,491 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/data/85550434f/0454131e010a4e93baf5bda45dcbca8c [2018-11-18 14:04:30,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:04:30,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:04:30,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:04:30,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:04:30,499 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:04:30,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5b7b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30, skipping insertion in model container [2018-11-18 14:04:30,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:04:30,520 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:04:30,637 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:04:30,641 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:04:30,654 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:04:30,671 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:04:30,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30 WrapperNode [2018-11-18 14:04:30,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:04:30,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:04:30,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:04:30,673 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:04:30,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:04:30,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:04:30,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:04:30,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:04:30,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:04:30,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:04:30,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:04:30,720 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:04:30,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:04:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/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 14:04:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 14:04:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:04:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 14:04:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:04:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:04:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 14:04:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 14:04:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:04:30,908 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 14:04:30,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:04:30,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:04:30 BoogieIcfgContainer [2018-11-18 14:04:30,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:04:30,976 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:04:30,976 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:04:30,984 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:04:30,984 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:04:30" (1/1) ... [2018-11-18 14:04:30,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:04:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:04:31,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-18 14:04:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-18 14:04:31,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 14:04:31,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:04:31,060 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 14:04:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:04:31,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:04:31,088 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 14:04:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:04:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2018-11-18 14:04:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-11-18 14:04:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 14:04:31,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:04:31,097 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 14:04:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:04:31,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:04:31,196 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 14:04:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:04:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-18 14:04:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-18 14:04:31,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:04:31,289 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-18 14:04:31,300 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:04:31,315 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:04:31,317 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-18 14:04:31,320 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 14:04:31,321 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 14:04:31,322 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-18 14:04:31,322 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 14:04:31,322 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 14:04:31,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:04:31 ImpRootNode [2018-11-18 14:04:31,323 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:04:31,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:04:31,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:04:31,323 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:04:31,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:04:30" (3/4) ... [2018-11-18 14:04:31,326 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:04:31,332 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 14:04:31,332 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:04:31,333 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:04:31,333 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 14:04:31,363 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b364c5d2-894c-4fad-9aad-ae6ad6638d58/bin-2019/ukojak/witness.graphml [2018-11-18 14:04:31,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:04:31,364 INFO L168 Benchmark]: Toolchain (without parser) took 869.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:31,365 INFO L168 Benchmark]: CDTParser took 0.15 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 14:04:31,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.72 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 931.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:31,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.68 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:04:31,366 INFO L168 Benchmark]: Boogie Preprocessor took 22.47 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:04:31,366 INFO L168 Benchmark]: RCFGBuilder took 255.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:31,367 INFO L168 Benchmark]: CodeCheck took 346.46 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: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:04:31,367 INFO L168 Benchmark]: Witness Printer took 40.24 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 14:04:31,369 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, 0.1s 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, 49 ConjunctsInSsa, 13 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 [2018-11-18 14:04:31,370 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 14:04:31,370 WARN L387 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 [2018-11-18 14:04:31,370 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 14:04:31,371 WARN L387 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 0.15 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 176.72 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 931.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.68 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.47 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 255.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * CodeCheck took 346.46 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: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * Witness Printer took 40.24 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...