./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c_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_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/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 93969ab48cbc6136b5ad0701aa11c46dc35b2390 ........................................................................................................................................................................................................................................... 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_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052c_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/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 93969ab48cbc6136b5ad0701aa11c46dc35b2390 ............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:53:58,182 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:53:58,184 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:53:58,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:53:58,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:53:58,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:53:58,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:53:58,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:53:58,221 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:53:58,226 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:53:58,227 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:53:58,227 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:53:58,228 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:53:58,229 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:53:58,230 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:53:58,231 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:53:58,232 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:53:58,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:53:58,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:53:58,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:53:58,245 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:53:58,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:53:58,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:53:58,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:53:58,249 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:53:58,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:53:58,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:53:58,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:53:58,253 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:53:58,254 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:53:58,254 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:53:58,255 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:53:58,255 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:53:58,255 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:53:58,256 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:53:58,257 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:53:58,257 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:53:58,282 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:53:58,282 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:53:58,283 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:53:58,284 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:53:58,284 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:53:58,285 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:53:58,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:53:58,285 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:53:58,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:53:58,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:53:58,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:53:58,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:53:58,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:53:58,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:53:58,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:53:58,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:53:58,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:53:58,287 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:53:58,287 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:53:58,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:53:58,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:53:58,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:53:58,288 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:53:58,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:53:58,288 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:53:58,288 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:53:58,288 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:53:58,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:53:58,289 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_3c8708ef-f7d3-4677-9046-3570f8e13ee4/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 -> 93969ab48cbc6136b5ad0701aa11c46dc35b2390 [2018-10-26 22:53:58,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:53:58,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:53:58,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:53:58,341 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:53:58,341 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:53:58,343 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1052c_true-unreach-call.c [2018-10-26 22:53:58,395 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data/13c75582d/513ee89c99144f5bac4def7c5928f445/FLAG2d6c806b1 [2018-10-26 22:53:58,787 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:53:58,788 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/sv-benchmarks/c/float-newlib/float_req_bl_1052c_true-unreach-call.c [2018-10-26 22:53:58,793 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data/13c75582d/513ee89c99144f5bac4def7c5928f445/FLAG2d6c806b1 [2018-10-26 22:53:58,811 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data/13c75582d/513ee89c99144f5bac4def7c5928f445 [2018-10-26 22:53:58,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:53:58,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:53:58,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:53:58,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:53:58,828 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:53:58,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:53:58" (1/1) ... [2018-10-26 22:53:58,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbe7040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:58, skipping insertion in model container [2018-10-26 22:53:58,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:53:58" (1/1) ... [2018-10-26 22:53:58,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:53:58,866 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:53:59,029 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:53:59,032 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:53:59,057 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:53:59,077 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:53:59,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59 WrapperNode [2018-10-26 22:53:59,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:53:59,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:53:59,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:53:59,079 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:53:59,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:53:59,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:53:59,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:53:59,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:53:59,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... [2018-10-26 22:53:59,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:53:59,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:53:59,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:53:59,153 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:53:59,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/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 [2018-10-26 22:53:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 22:53:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:53:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 22:53:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:53:59,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:53:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 22:53:59,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:54:00,703 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:54:00,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:00 BoogieIcfgContainer [2018-10-26 22:54:00,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:54:00,704 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:54:00,705 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:54:00,713 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:54:00,713 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:00" (1/1) ... [2018-10-26 22:54:00,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-10-26 22:54:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-10-26 22:54:00,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 22:54:00,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:00,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-26 22:54:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-26 22:54:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 22:54:00,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:54:01,030 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 22:54:01,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:54:01 ImpRootNode [2018-10-26 22:54:01,082 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:54:01,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:54:01,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:54:01,082 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:54:01,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:00" (3/4) ... [2018-10-26 22:54:01,089 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:54:01,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:54:01,090 INFO L168 Benchmark]: Toolchain (without parser) took 2268.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -127.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:01,092 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:01,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.20 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:01,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.54 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:01,096 INFO L168 Benchmark]: Boogie Preprocessor took 29.31 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:01,097 INFO L168 Benchmark]: RCFGBuilder took 1551.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:01,098 INFO L168 Benchmark]: CodeCheck took 377.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:01,099 INFO L168 Benchmark]: Witness Printer took 7.41 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. [2018-10-26 22:54:01,102 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, 53 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of bitwiseAnd at line 21, overapproximation of someUnaryFLOAToperation at line 75, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L11] static const float huge_floor = 1.0e30; [L75] float x = -0.0f; [L76] CALL, EXPR floor_float(x) [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L17] FCALL ieee_float_shape_type gf_u; [L18] FCALL gf_u.value = (x) [L19] EXPR, FCALL gf_u.word [L19] (i0) = gf_u.word [L20] COND FALSE !(0) VAL [huge_floor=1000000000000000000000000000000] [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] RET return x; VAL [huge_floor=1000000000000000000000000000000] [L76] EXPR floor_float(x) [L76] float res = floor_float(x); [L79] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_floor=1000000000000000000000000000000] [L79] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L80] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.20 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 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 44.54 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.31 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1551.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * CodeCheck took 377.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 7.41 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 [2018-10-26 22:54:03,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:54:03,332 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:54:03,347 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:54:03,347 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:54:03,349 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:54:03,352 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:54:03,354 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:54:03,357 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:54:03,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:54:03,361 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:54:03,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:54:03,362 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:54:03,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:54:03,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:54:03,365 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:54:03,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:54:03,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:54:03,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:54:03,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:54:03,381 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:54:03,382 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:54:03,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:54:03,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:54:03,384 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:54:03,385 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:54:03,390 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:54:03,391 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:54:03,392 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:54:03,392 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:54:03,393 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:54:03,393 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:54:03,393 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:54:03,393 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:54:03,398 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:54:03,399 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:54:03,401 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 22:54:03,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:54:03,425 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:54:03,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:54:03,427 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:54:03,428 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:54:03,429 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:54:03,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:54:03,430 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:54:03,430 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:54:03,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:54:03,430 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:54:03,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:54:03,430 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:54:03,431 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:54:03,431 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:54:03,432 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:54:03,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:54:03,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:54:03,432 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:54:03,432 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:54:03,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:54:03,433 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:54:03,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:54:03,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:54:03,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:54:03,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:54:03,434 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 22:54:03,434 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:54:03,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:54:03,434 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:54:03,434 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:54:03,434 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_3c8708ef-f7d3-4677-9046-3570f8e13ee4/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 -> 93969ab48cbc6136b5ad0701aa11c46dc35b2390 [2018-10-26 22:54:03,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:54:03,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:54:03,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:54:03,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:54:03,516 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:54:03,516 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1052c_true-unreach-call.c [2018-10-26 22:54:03,571 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data/3b3a4b95e/7280cf9881a34bf5a60b4bf1e48d5f20/FLAG771b9fff4 [2018-10-26 22:54:04,009 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:54:04,009 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/sv-benchmarks/c/float-newlib/float_req_bl_1052c_true-unreach-call.c [2018-10-26 22:54:04,015 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data/3b3a4b95e/7280cf9881a34bf5a60b4bf1e48d5f20/FLAG771b9fff4 [2018-10-26 22:54:04,027 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/data/3b3a4b95e/7280cf9881a34bf5a60b4bf1e48d5f20 [2018-10-26 22:54:04,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:54:04,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:54:04,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:04,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:54:04,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:54:04,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a18aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04, skipping insertion in model container [2018-10-26 22:54:04,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:54:04,075 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:54:04,262 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:04,268 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:54:04,297 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:54:04,322 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:54:04,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04 WrapperNode [2018-10-26 22:54:04,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:54:04,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:04,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:54:04,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:54:04,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:54:04,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:54:04,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:54:04,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:54:04,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... [2018-10-26 22:54:04,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:54:04,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:54:04,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:54:04,422 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:54:04,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:54:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/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 [2018-10-26 22:54:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:54:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 22:54:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:54:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:54:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 22:54:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:54:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 22:54:04,843 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:54:04,912 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:54:05,461 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:54:05,469 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:54:07,717 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:54:07,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:07 BoogieIcfgContainer [2018-10-26 22:54:07,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:54:07,718 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:54:07,718 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:54:07,733 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:54:07,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:07" (1/1) ... [2018-10-26 22:54:07,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-10-26 22:54:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-10-26 22:54:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 22:54:07,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:07,857 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:07,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-26 22:54:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-26 22:54:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 22:54:07,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:07,921 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:07,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-10-26 22:54:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-10-26 22:54:08,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 22:54:08,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:08,288 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:08,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2018-10-26 22:54:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-10-26 22:54:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 22:54:09,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:09,618 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:09,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-10-26 22:54:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-10-26 22:54:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 22:54:09,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:09,664 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:09,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2018-10-26 22:54:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-10-26 22:54:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 22:54:09,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:09,689 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:09,719 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-10-26 22:54:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-10-26 22:54:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:54:10,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:54:10,760 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 22:54:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:10,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:54:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:54:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:54:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2018-10-26 22:54:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-10-26 22:54:11,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:54:11,441 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-10-26 22:54:11,450 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:54:11,518 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:54:11,521 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-10-26 22:54:11,528 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-10-26 22:54:11,529 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-10-26 22:54:11,529 INFO L582 CodeCheckObserver]: Invariant with dag size 4 [2018-10-26 22:54:11,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:54:11 ImpRootNode [2018-10-26 22:54:11,531 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:54:11,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:54:11,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:54:11,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:54:11,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:54:07" (3/4) ... [2018-10-26 22:54:11,537 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:54:11,550 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-10-26 22:54:11,550 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-10-26 22:54:11,551 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 22:54:11,551 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:54:11,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-10-26 22:54:11,613 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3c8708ef-f7d3-4677-9046-3570f8e13ee4/bin-2019/ukojak/witness.graphml [2018-10-26 22:54:11,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:54:11,615 INFO L168 Benchmark]: Toolchain (without parser) took 7583.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.9 MB in the beginning and 887.2 MB in the end (delta: 64.7 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:11,616 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-10-26 22:54:11,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.76 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:11,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.41 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:11,618 INFO L168 Benchmark]: Boogie Preprocessor took 33.28 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:54:11,619 INFO L168 Benchmark]: RCFGBuilder took 3296.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:11,620 INFO L168 Benchmark]: CodeCheck took 3812.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.0 MB in the end (delta: 178.0 MB). Peak memory consumption was 178.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:11,620 INFO L168 Benchmark]: Witness Printer took 82.68 ms. Allocated memory is still 1.2 GB. Free memory was 894.0 MB in the beginning and 887.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:54:11,623 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, 53 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1212 SDtfs, 446 SDslu, 332 SDs, 0 SdLazy, 1992 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 649 GetRequests, 603 SyntacticMatches, 12 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 1 QuantifiedInterpolants, 4472 SizeOfPredicates, 38 NumberOfNonLiveVariables, 227 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 80]: 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: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 289.76 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 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 64.41 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.28 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3296.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * CodeCheck took 3812.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.0 MB in the end (delta: 178.0 MB). Peak memory consumption was 178.0 MB. Max. memory is 11.5 GB. * Witness Printer took 82.68 ms. Allocated memory is still 1.2 GB. Free memory was 894.0 MB in the beginning and 887.2 MB 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...