./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_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_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/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 f441bd4a1f5705911b7315c074b39e665542818e ......................................................................................................................................................................................................................................... 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_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/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 f441bd4a1f5705911b7315c074b39e665542818e ............................................................................................................................................................................................................................................................................... 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 10:41:37,844 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:41:37,845 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:41:37,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:41:37,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:41:37,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:41:37,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:41:37,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:41:37,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:41:37,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:41:37,859 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:41:37,859 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:41:37,860 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:41:37,861 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:41:37,861 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:41:37,862 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:41:37,862 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:41:37,864 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:41:37,865 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:41:37,866 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:41:37,867 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:41:37,868 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:41:37,869 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:41:37,870 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:41:37,870 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:41:37,871 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:41:37,871 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:41:37,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:41:37,872 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:41:37,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:41:37,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:41:37,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:41:37,874 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:41:37,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:41:37,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:41:37,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:41:37,876 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:41:37,886 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:41:37,886 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:41:37,886 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:41:37,887 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:41:37,887 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:41:37,887 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:41:37,887 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:41:37,887 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:41:37,888 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:41:37,888 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:41:37,888 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:41:37,888 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:41:37,888 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:41:37,888 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:41:37,888 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:41:37,889 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:41:37,889 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:41:37,889 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:41:37,889 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:41:37,889 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:41:37,889 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:41:37,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:41:37,890 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:41:37,890 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:41:37,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:41:37,890 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:41:37,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:41:37,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:41:37,891 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_17da5da9-71ff-4c66-8e84-f2a665e29e1f/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 -> f441bd4a1f5705911b7315c074b39e665542818e [2018-11-10 10:41:37,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:41:37,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:41:37,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:41:37,922 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:41:37,922 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:41:37,923 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-10 10:41:37,958 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data/6c338fd9d/013315a896344711b20b29e3541b29ce/FLAGd95fc4888 [2018-11-10 10:41:38,366 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:41:38,366 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-10 10:41:38,370 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data/6c338fd9d/013315a896344711b20b29e3541b29ce/FLAGd95fc4888 [2018-11-10 10:41:38,379 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data/6c338fd9d/013315a896344711b20b29e3541b29ce [2018-11-10 10:41:38,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:41:38,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:41:38,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:41:38,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:41:38,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:41:38,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1183f8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38, skipping insertion in model container [2018-11-10 10:41:38,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:41:38,406 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:41:38,503 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:41:38,505 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:41:38,521 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:41:38,534 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:41:38,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38 WrapperNode [2018-11-10 10:41:38,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:41:38,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:41:38,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:41:38,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:41:38,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:41:38,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:41:38,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:41:38,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:41:38,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... [2018-11-10 10:41:38,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:41:38,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:41:38,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:41:38,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:41:38,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/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 10:41:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-10 10:41:38,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-10 10:41:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:41:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 10:41:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:41:38,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:41:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 10:41:38,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 10:41:39,026 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:41:39,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:41:39 BoogieIcfgContainer [2018-11-10 10:41:39,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:41:39,026 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:41:39,027 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:41:39,033 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:41:39,033 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:41:39" (1/1) ... [2018-11-10 10:41:39,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:41:39,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:41:39,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-10 10:41:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-10 10:41:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:41:39,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:41:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:41:39,142 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 10:41:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:41:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-10 10:41:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-10 10:41:39,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 10:41:39,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:41:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:41:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:41:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:41:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:41:39,251 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 10:41:39,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:41:39 ImpRootNode [2018-11-10 10:41:39,275 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:41:39,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:41:39,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:41:39,276 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:41:39,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:41:39" (3/4) ... [2018-11-10 10:41:39,279 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:41:39,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:41:39,279 INFO L168 Benchmark]: Toolchain (without parser) took 898.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -107.0 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:39,281 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:41:39,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.72 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:39,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.08 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:39,282 INFO L168 Benchmark]: Boogie Preprocessor took 14.90 ms. Allocated memory is still 1.0 GB. Free memory was 944.5 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:39,283 INFO L168 Benchmark]: RCFGBuilder took 449.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:39,283 INFO L168 Benchmark]: CodeCheck took 248.69 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: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:39,284 INFO L168 Benchmark]: Witness Printer took 3.52 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. [2018-11-10 10:41:39,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 47 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 79]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someUnaryFLOAToperation at line 72. Possible FailurePath: [L72] float x = -0.0f; [L73] float y = 0.0f; [L75] CALL, EXPR fmax_float(x, y) [L43] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=1] [L20] __uint32_t w; VAL [\old(x)=1, x=1] [L23] FCALL ieee_float_shape_type gf_u; [L24] FCALL gf_u.value = (x) [L25] EXPR, FCALL gf_u.word [L25] (w) = gf_u.word [L26] COND FALSE !(0) VAL [\old(x)=1, w=4286578689, x=1] [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] RET return 0; [L43] EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] RET return y; [L75] EXPR fmax_float(x, y) [L75] float res = fmax_float(x, y); [L78] EXPR res == 0.0f && __signbit_float(res) == 0 [L78] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L79] __VERIFIER_error() * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.72 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.08 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.90 ms. Allocated memory is still 1.0 GB. Free memory was 944.5 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 449.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * CodeCheck took 248.69 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: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.52 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 0.1.23-1dbac8b [2018-11-10 10:41:40,727 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:41:40,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:41:40,737 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:41:40,737 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:41:40,738 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:41:40,739 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:41:40,740 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:41:40,741 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:41:40,742 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:41:40,742 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:41:40,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:41:40,743 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:41:40,744 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:41:40,745 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:41:40,745 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:41:40,746 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:41:40,747 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:41:40,749 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:41:40,750 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:41:40,751 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:41:40,752 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:41:40,753 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:41:40,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:41:40,754 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:41:40,754 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:41:40,755 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:41:40,756 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:41:40,756 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:41:40,757 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:41:40,757 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:41:40,758 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:41:40,758 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:41:40,758 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:41:40,759 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:41:40,759 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:41:40,760 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 10:41:40,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:41:40,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:41:40,771 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:41:40,771 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:41:40,772 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:41:40,772 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:41:40,772 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:41:40,772 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:41:40,772 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:41:40,773 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:41:40,773 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:41:40,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:41:40,773 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:41:40,773 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:41:40,773 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:41:40,773 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:41:40,774 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:41:40,774 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:41:40,774 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:41:40,774 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:41:40,774 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:41:40,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:41:40,775 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:41:40,775 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:41:40,775 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:41:40,775 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:41:40,775 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 10:41:40,775 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 10:41:40,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:41:40,776 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:41:40,776 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:41:40,776 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_17da5da9-71ff-4c66-8e84-f2a665e29e1f/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 -> f441bd4a1f5705911b7315c074b39e665542818e [2018-11-10 10:41:40,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:41:40,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:41:40,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:41:40,818 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:41:40,819 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:41:40,819 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-10 10:41:40,869 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data/789da25ff/2e4c9abcbfe94187ae502cf9a9afa4f5/FLAG9963c6360 [2018-11-10 10:41:41,189 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:41:41,189 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/sv-benchmarks/c/float-newlib/float_req_bl_1252a_true-unreach-call.c [2018-11-10 10:41:41,193 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data/789da25ff/2e4c9abcbfe94187ae502cf9a9afa4f5/FLAG9963c6360 [2018-11-10 10:41:41,201 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/data/789da25ff/2e4c9abcbfe94187ae502cf9a9afa4f5 [2018-11-10 10:41:41,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:41:41,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:41:41,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:41:41,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:41:41,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:41:41,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526b064b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41, skipping insertion in model container [2018-11-10 10:41:41,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:41:41,230 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:41:41,350 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:41:41,354 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:41:41,374 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:41:41,394 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:41:41,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41 WrapperNode [2018-11-10 10:41:41,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:41:41,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:41:41,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:41:41,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:41:41,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:41:41,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:41:41,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:41:41,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:41:41,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:41,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:41:41,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:41:41,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:41:41,450 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:41:41,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:41:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/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 10:41:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2018-11-10 10:41:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2018-11-10 10:41:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:41:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 10:41:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:41:41,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:41:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 10:41:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 10:41:41,684 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:41:41,698 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:41:41,733 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:41:41,738 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:41:41,988 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:41:41,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:41:41 BoogieIcfgContainer [2018-11-10 10:41:41,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:41:41,989 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:41:41,989 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:41:41,997 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:41:41,997 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:41:41" (1/1) ... [2018-11-10 10:41:42,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:41:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:41:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-11-10 10:41:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-11-10 10:41:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:41:42,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:41:42,077 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:41:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:41:42,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:41:42,104 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 10:41:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:41:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-10 10:41:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-10 10:41:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:41:42,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:41:42,115 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:41:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:41:42,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:41:42,162 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 10:41:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:41:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-11-10 10:41:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-10 10:41:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 10:41:42,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:41:42,219 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:41:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:41:42,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:41:42,235 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 10:41:42,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:41:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-11-10 10:41:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-10 10:41:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 10:41:42,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:41:42,242 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:41:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:41:42,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:41:42,325 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 10:41:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:41:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 30 transitions. [2018-11-10 10:41:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-10 10:41:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 10:41:42,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:41:42,525 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 10:41:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:41:42,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:41:43,731 WARN L179 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 143 [2018-11-10 10:41:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:41:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:41:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 18 transitions. [2018-11-10 10:41:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-10 10:41:45,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:41:45,647 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-10 10:41:45,653 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:41:45,781 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-11-10 10:41:45,783 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 10:41:45,789 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:41:45,789 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:41:45,789 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:41:45,789 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:41:45,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:41:45 ImpRootNode [2018-11-10 10:41:45,790 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:41:45,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:41:45,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:41:45,790 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:41:45,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:41:41" (3/4) ... [2018-11-10 10:41:45,793 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:41:45,798 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2018-11-10 10:41:45,802 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-10 10:41:45,802 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 10:41:45,802 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 10:41:45,802 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:41:45,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-10 10:41:45,843 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_17da5da9-71ff-4c66-8e84-f2a665e29e1f/bin-2019/ukojak/witness.graphml [2018-11-10 10:41:45,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:41:45,844 INFO L168 Benchmark]: Toolchain (without parser) took 4640.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -116.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:45,844 INFO L168 Benchmark]: CDTParser took 0.17 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 10:41:45,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.46 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:45,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.58 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:41:45,845 INFO L168 Benchmark]: Boogie Preprocessor took 22.99 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:41:45,845 INFO L168 Benchmark]: RCFGBuilder took 538.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:45,846 INFO L168 Benchmark]: CodeCheck took 3801.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 65.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:45,846 INFO L168 Benchmark]: Witness Printer took 53.01 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:41:45,848 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 45 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 18 SDslu, 14 SDs, 0 SdLazy, 412 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 501 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 2 QuantifiedInterpolants, 11690 SizeOfPredicates, 27 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 79]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 190.46 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.58 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.99 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 538.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 3801.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 65.0 MB. Max. memory is 11.5 GB. * Witness Printer took 53.01 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...