./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/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 887f0640b1b5afa2d39789f5b16e950cef616033 ....................................................................................................................................................................................................................................... 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_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/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 887f0640b1b5afa2d39789f5b16e950cef616033 ....................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:28:32,754 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:28:32,756 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:28:32,762 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:28:32,762 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:28:32,763 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:28:32,764 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:28:32,765 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:28:32,766 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:28:32,766 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:28:32,767 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:28:32,767 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:28:32,768 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:28:32,768 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:28:32,769 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:28:32,770 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:28:32,770 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:28:32,772 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:28:32,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:28:32,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:28:32,775 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:28:32,776 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:28:32,777 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:28:32,777 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:28:32,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:28:32,778 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:28:32,779 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:28:32,779 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:28:32,780 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:28:32,781 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:28:32,781 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:28:32,781 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:28:32,782 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:28:32,782 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:28:32,782 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:28:32,782 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:28:32,782 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:28:32,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:28:32,791 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:28:32,791 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:28:32,792 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:28:32,792 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:28:32,792 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:28:32,792 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:28:32,792 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:28:32,793 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:28:32,793 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:28:32,793 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:28:32,793 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:28:32,793 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:28:32,793 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:28:32,793 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:28:32,794 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:28:32,794 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:28:32,794 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:28:32,794 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:28:32,794 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:28:32,794 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:28:32,794 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:28:32,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:28:32,795 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:28:32,795 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:28:32,795 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:28:32,795 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:28:32,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:28:32,795 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_a01a33ed-20f0-4956-96d2-73297cd33312/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 -> 887f0640b1b5afa2d39789f5b16e950cef616033 [2018-11-10 04:28:32,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:28:32,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:28:32,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:28:32,829 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:28:32,829 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:28:32,830 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-11-10 04:28:32,866 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data/c76234461/a07e991c6cb1408f9e617f11e2aa1ede/FLAG169134d37 [2018-11-10 04:28:33,252 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:28:33,253 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-11-10 04:28:33,256 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data/c76234461/a07e991c6cb1408f9e617f11e2aa1ede/FLAG169134d37 [2018-11-10 04:28:33,266 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data/c76234461/a07e991c6cb1408f9e617f11e2aa1ede [2018-11-10 04:28:33,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:28:33,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:28:33,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:28:33,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:28:33,272 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:28:33,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b52ffc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33, skipping insertion in model container [2018-11-10 04:28:33,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:28:33,293 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:28:33,388 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:28:33,391 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:28:33,407 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:28:33,420 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:28:33,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33 WrapperNode [2018-11-10 04:28:33,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:28:33,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:28:33,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:28:33,421 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:28:33,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:28:33,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:28:33,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:28:33,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:28:33,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:28:33,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:28:33,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:28:33,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:28:33,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/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 [2018-11-10 04:28:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 04:28:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:28:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 04:28:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:28:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:28:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 04:28:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:28:33,906 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:28:33,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:28:33 BoogieIcfgContainer [2018-11-10 04:28:33,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:28:33,907 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:28:33,907 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:28:33,914 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:28:33,915 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:28:33" (1/1) ... [2018-11-10 04:28:33,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:28:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:28:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-11-10 04:28:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-11-10 04:28:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:28:33,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:28:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:28:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:28:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:28:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-10 04:28:34,020 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-10 04:28:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:28:34,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:28:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:28:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:28:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:28:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:28:34,090 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 04:28:34,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:28:34 ImpRootNode [2018-11-10 04:28:34,110 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:28:34,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:28:34,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:28:34,111 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:28:34,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:28:33" (3/4) ... [2018-11-10 04:28:34,114 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:28:34,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:28:34,115 INFO L168 Benchmark]: Toolchain (without parser) took 846.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:34,116 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:28:34,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.89 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:34,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.65 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:34,118 INFO L168 Benchmark]: Boogie Preprocessor took 18.85 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:28:34,118 INFO L168 Benchmark]: RCFGBuilder took 441.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:34,119 INFO L168 Benchmark]: CodeCheck took 203.16 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:34,119 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:34,122 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, 42 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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: 50]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L45] float x = 0.0f; [L46] CALL, EXPR fabs_float(x) [L13] __uint32_t ix; [L15] FCALL ieee_float_shape_type gf_u; [L16] FCALL gf_u.value = (x) [L17] EXPR, FCALL gf_u.word [L17] (ix) = gf_u.word [L18] COND FALSE !(0) [L20] FCALL ieee_float_shape_type sf_u; [L21] FCALL sf_u.word = (ix & 0x7fffffff) [L22] CALL, EXPR sf_u.value [L22] RET, EXPR sf_u.value [L22] (x) = sf_u.value [L23] COND FALSE !(0) [L24] RET return x; [L46] EXPR fabs_float(x) [L46] float res = fabs_float(x); [L49] EXPR res == 0.0f && __signbit_float(res) == 0 [L49] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L50] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.89 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 24.65 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.85 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 441.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * CodeCheck took 203.16 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:28:35,621 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:28:35,623 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:28:35,631 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:28:35,632 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:28:35,632 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:28:35,633 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:28:35,634 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:28:35,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:28:35,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:28:35,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:28:35,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:28:35,637 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:28:35,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:28:35,639 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:28:35,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:28:35,640 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:28:35,641 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:28:35,642 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:28:35,643 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:28:35,644 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:28:35,645 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:28:35,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:28:35,647 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:28:35,647 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:28:35,647 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:28:35,648 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:28:35,649 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:28:35,649 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:28:35,650 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:28:35,650 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:28:35,650 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:28:35,651 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:28:35,651 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:28:35,651 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:28:35,652 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:28:35,652 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 04:28:35,662 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:28:35,663 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:28:35,663 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:28:35,663 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:28:35,664 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:28:35,664 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:28:35,664 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:28:35,664 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:28:35,665 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:28:35,665 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:28:35,665 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:28:35,665 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:28:35,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:28:35,665 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:28:35,665 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:28:35,665 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:28:35,666 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:28:35,666 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:28:35,666 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:28:35,666 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:28:35,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:28:35,666 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:28:35,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:28:35,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:28:35,667 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:28:35,667 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:28:35,667 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 04:28:35,667 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:28:35,667 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:28:35,667 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:28:35,668 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:28:35,668 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_a01a33ed-20f0-4956-96d2-73297cd33312/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 -> 887f0640b1b5afa2d39789f5b16e950cef616033 [2018-11-10 04:28:35,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:28:35,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:28:35,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:28:35,709 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:28:35,710 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:28:35,710 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-11-10 04:28:35,754 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data/bdef9dbad/39f136456f7645f0837c305fe67f9e9f/FLAG17009bf53 [2018-11-10 04:28:36,079 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:28:36,080 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/sv-benchmarks/c/float-newlib/float_req_bl_1011a_true-unreach-call.c [2018-11-10 04:28:36,085 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data/bdef9dbad/39f136456f7645f0837c305fe67f9e9f/FLAG17009bf53 [2018-11-10 04:28:36,094 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/data/bdef9dbad/39f136456f7645f0837c305fe67f9e9f [2018-11-10 04:28:36,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:28:36,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:28:36,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:28:36,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:28:36,099 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:28:36,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405a00e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36, skipping insertion in model container [2018-11-10 04:28:36,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:28:36,120 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:28:36,237 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:28:36,240 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:28:36,258 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:28:36,278 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:28:36,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36 WrapperNode [2018-11-10 04:28:36,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:28:36,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:28:36,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:28:36,279 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:28:36,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:28:36,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:28:36,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:28:36,311 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:28:36,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:28:36,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:28:36,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:28:36,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:28:36,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:28:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/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 [2018-11-10 04:28:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:28:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 04:28:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:28:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:28:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 04:28:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:28:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 04:28:36,533 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:28:36,539 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:28:36,585 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:28:36,593 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:28:36,811 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:28:36,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:28:36 BoogieIcfgContainer [2018-11-10 04:28:36,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:28:36,812 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:28:36,812 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:28:36,824 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:28:36,824 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:28:36" (1/1) ... [2018-11-10 04:28:36,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:28:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:28:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-11-10 04:28:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-11-10 04:28:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:28:36,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:28:36,903 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:28:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:28:36,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:28:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:28:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:28:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-10 04:28:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-10 04:28:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:28:36,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:28:36,948 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:28:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:28:36,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:28:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:28:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:28:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-10 04:28:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-10 04:28:37,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:28:37,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:28:37,110 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:28:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:28:37,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:28:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:28:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:28:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2018-11-10 04:28:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2018-11-10 04:28:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:28:37,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:28:37,128 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 04:28:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:28:37,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:28:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:28:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:28:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2018-11-10 04:28:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2018-11-10 04:28:37,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:28:37,397 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-10 04:28:37,405 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:28:37,450 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 04:28:37,458 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 04:28:37,459 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 04:28:37,459 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 04:28:37,459 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:28:37,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:28:37 ImpRootNode [2018-11-10 04:28:37,460 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:28:37,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:28:37,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:28:37,461 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:28:37,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:28:36" (3/4) ... [2018-11-10 04:28:37,464 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:28:37,474 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-10 04:28:37,474 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 04:28:37,475 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 04:28:37,475 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:28:37,520 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a01a33ed-20f0-4956-96d2-73297cd33312/bin-2019/ukojak/witness.graphml [2018-11-10 04:28:37,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:28:37,521 INFO L168 Benchmark]: Toolchain (without parser) took 1424.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -76.8 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:37,522 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 04:28:37,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.53 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 938.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:37,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.54 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:37,523 INFO L168 Benchmark]: Boogie Preprocessor took 22.54 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:28:37,523 INFO L168 Benchmark]: RCFGBuilder took 478.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:37,524 INFO L168 Benchmark]: CodeCheck took 648.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:37,524 INFO L168 Benchmark]: Witness Printer took 59.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:28:37,526 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, 42 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 38 SDslu, 36 SDs, 0 SdLazy, 172 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 959 SizeOfPredicates, 21 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 50]: 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: 30]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 * 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.53 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 938.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.54 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.54 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 478.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 648.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. * Witness Printer took 59.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...