./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_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_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ......................................................................................................................................................................................................................................... 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_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:20:11,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:20:11,275 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:20:11,284 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:20:11,287 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:20:11,288 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:20:11,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:20:11,292 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:20:11,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:20:11,298 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:20:11,299 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:20:11,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:20:11,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:20:11,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:20:11,309 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:20:11,310 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:20:11,311 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:20:11,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:20:11,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:20:11,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:20:11,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:20:11,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:20:11,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:20:11,325 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:20:11,326 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:20:11,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:20:11,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:20:11,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:20:11,328 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:20:11,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:20:11,329 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:20:11,329 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:20:11,330 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:20:11,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:20:11,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:20:11,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:20:11,335 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:20:11,349 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:20:11,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:20:11,351 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:20:11,351 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:20:11,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:20:11,353 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:20:11,353 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:20:11,353 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:20:11,353 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:20:11,354 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:20:11,354 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:20:11,354 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:20:11,354 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:20:11,354 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:20:11,354 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:20:11,354 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:20:11,355 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:20:11,355 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:20:11,355 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:20:11,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:20:11,355 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:20:11,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:20:11,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:20:11,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:20:11,356 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:20:11,356 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:20:11,356 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:20:11,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:20:11,356 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_54d3c35a-cd0b-45cc-913f-876431a6ce86/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-10-27 00:20:11,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:20:11,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:20:11,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:20:11,415 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:20:11,415 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:20:11,416 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-10-27 00:20:11,462 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data/f41249a91/37bfc9596b17486fbd5524bd42022104/FLAGd57fd6eca [2018-10-27 00:20:11,838 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:20:11,839 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-10-27 00:20:11,845 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data/f41249a91/37bfc9596b17486fbd5524bd42022104/FLAGd57fd6eca [2018-10-27 00:20:11,857 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data/f41249a91/37bfc9596b17486fbd5524bd42022104 [2018-10-27 00:20:11,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:20:11,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:20:11,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:20:11,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:20:11,867 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:20:11,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:20:11" (1/1) ... [2018-10-27 00:20:11,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549f6ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:11, skipping insertion in model container [2018-10-27 00:20:11,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:20:11" (1/1) ... [2018-10-27 00:20:11,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:20:11,896 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:20:12,028 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:20:12,030 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:20:12,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:20:12,073 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:20:12,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12 WrapperNode [2018-10-27 00:20:12,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:20:12,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:20:12,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:20:12,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:20:12,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:20:12,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:20:12,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:20:12,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:20:12,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... [2018-10-27 00:20:12,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:20:12,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:20:12,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:20:12,143 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:20:12,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/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 [2018-10-27 00:20:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 00:20:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:20:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-27 00:20:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:20:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:20:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 00:20:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:20:13,331 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:20:13,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:20:13 BoogieIcfgContainer [2018-10-27 00:20:13,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:20:13,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:20:13,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:20:13,339 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:20:13,339 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:20:13" (1/1) ... [2018-10-27 00:20:13,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:20:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-10-27 00:20:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-10-27 00:20:13,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 00:20:13,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-10-27 00:20:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-10-27 00:20:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 00:20:13,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:20:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:20:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:20:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:20:13,599 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-27 00:20:13,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:20:13 ImpRootNode [2018-10-27 00:20:13,633 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:20:13,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:20:13,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:20:13,635 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:20:13,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:20:13" (3/4) ... [2018-10-27 00:20:13,639 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:20:13,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:20:13,640 INFO L168 Benchmark]: Toolchain (without parser) took 1777.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:13,641 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. [2018-10-27 00:20:13,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.92 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 946.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:13,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.96 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:20:13,644 INFO L168 Benchmark]: Boogie Preprocessor took 31.31 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:13,644 INFO L168 Benchmark]: RCFGBuilder took 1189.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:13,645 INFO L168 Benchmark]: CodeCheck took 301.37 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:13,647 INFO L168 Benchmark]: Witness Printer took 4.99 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. [2018-10-27 00:20:13,650 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, 62 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 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: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of bitwiseAnd at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L101] float x = 0.0f; [L102] CALL, EXPR __ieee754_sqrtf(x) [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L20] FCALL ieee_float_shape_type gf_u; [L21] FCALL gf_u.value = (x) [L22] EXPR, FCALL gf_u.word [L22] (ix) = gf_u.word [L23] COND FALSE !(0) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L24] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] RET return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L102] EXPR __ieee754_sqrtf(x) [L102] float res = __ieee754_sqrtf(x); [L105] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L105] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L106] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] * 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 209.92 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 946.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.96 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.31 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1189.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * CodeCheck took 301.37 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.99 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 [2018-10-27 00:20:15,562 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:20:15,563 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:20:15,576 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:20:15,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:20:15,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:20:15,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:20:15,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:20:15,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:20:15,587 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:20:15,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:20:15,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:20:15,590 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:20:15,591 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:20:15,592 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:20:15,592 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:20:15,593 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:20:15,597 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:20:15,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:20:15,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:20:15,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:20:15,610 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:20:15,612 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:20:15,612 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:20:15,612 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:20:15,613 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:20:15,615 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:20:15,615 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:20:15,616 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:20:15,617 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:20:15,617 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:20:15,617 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:20:15,617 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:20:15,618 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:20:15,619 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:20:15,620 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:20:15,620 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-27 00:20:15,632 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:20:15,633 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:20:15,633 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:20:15,634 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:20:15,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:20:15,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:20:15,635 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:20:15,635 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:20:15,635 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:20:15,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:20:15,636 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:20:15,636 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:20:15,636 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:20:15,636 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:20:15,636 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:20:15,636 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:20:15,637 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:20:15,637 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:20:15,637 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:20:15,637 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:20:15,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:20:15,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:20:15,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:20:15,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:20:15,640 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:20:15,640 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:20:15,640 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-27 00:20:15,640 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 00:20:15,641 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:20:15,641 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:20:15,641 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:20:15,641 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_54d3c35a-cd0b-45cc-913f-876431a6ce86/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-10-27 00:20:15,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:20:15,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:20:15,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:20:15,700 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:20:15,700 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:20:15,701 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-10-27 00:20:15,750 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data/6e3fe5ce4/07c24e9d9f2249afa40783c8937a71a5/FLAG6ee7afba0 [2018-10-27 00:20:16,156 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:20:16,157 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-10-27 00:20:16,166 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data/6e3fe5ce4/07c24e9d9f2249afa40783c8937a71a5/FLAG6ee7afba0 [2018-10-27 00:20:16,182 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/data/6e3fe5ce4/07c24e9d9f2249afa40783c8937a71a5 [2018-10-27 00:20:16,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:20:16,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:20:16,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:20:16,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:20:16,195 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:20:16,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205a6579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16, skipping insertion in model container [2018-10-27 00:20:16,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:20:16,240 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:20:16,398 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:20:16,403 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:20:16,433 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:20:16,458 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:20:16,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16 WrapperNode [2018-10-27 00:20:16,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:20:16,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:20:16,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:20:16,459 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:20:16,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:20:16,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:20:16,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:20:16,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:20:16,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... [2018-10-27 00:20:16,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:20:16,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:20:16,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:20:16,535 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:20:16,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:20:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/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 [2018-10-27 00:20:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:20:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-27 00:20:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:20:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:20:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-27 00:20:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:20:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-27 00:20:16,874 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:20:16,938 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:20:16,946 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:20:16,966 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:20:18,844 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:20:18,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:20:18 BoogieIcfgContainer [2018-10-27 00:20:18,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:20:18,845 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:20:18,845 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:20:18,855 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:20:18,855 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:20:18" (1/1) ... [2018-10-27 00:20:18,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:20:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-10-27 00:20:18,900 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-10-27 00:20:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 00:20:18,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:18,955 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:18,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-10-27 00:20:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-10-27 00:20:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 00:20:19,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:19,007 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:19,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:19,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-10-27 00:20:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-10-27 00:20:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 00:20:19,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:19,779 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:19,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:19,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:21,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-10-27 00:20:21,771 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-10-27 00:20:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 00:20:21,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:21,773 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:21,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2018-10-27 00:20:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2018-10-27 00:20:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 00:20:22,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:22,956 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:22,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-10-27 00:20:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-10-27 00:20:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 00:20:22,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:22,979 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:23,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2018-10-27 00:20:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2018-10-27 00:20:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 00:20:23,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:23,573 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:23,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2018-10-27 00:20:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2018-10-27 00:20:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 00:20:23,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:23,605 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:23,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2018-10-27 00:20:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-10-27 00:20:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:20:23,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:23,863 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:23,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-10-27 00:20:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-10-27 00:20:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:20:24,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:24,136 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:24,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2018-10-27 00:20:24,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-10-27 00:20:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 00:20:24,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:24,372 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:24,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2018-10-27 00:20:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-10-27 00:20:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 00:20:24,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:24,679 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:24,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2018-10-27 00:20:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-10-27 00:20:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 00:20:25,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:25,153 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:25,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:25,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2018-10-27 00:20:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2018-10-27 00:20:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:20:25,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:25,571 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:25,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2018-10-27 00:20:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2018-10-27 00:20:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-27 00:20:25,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:25,982 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:26,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-10-27 00:20:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-10-27 00:20:26,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 00:20:26,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:26,418 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:26,482 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-10-27 00:20:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-10-27 00:20:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 00:20:26,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:26,985 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:27,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:27,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2018-10-27 00:20:27,568 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2018-10-27 00:20:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-27 00:20:27,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:27,569 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:27,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2018-10-27 00:20:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2018-10-27 00:20:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 00:20:28,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:28,083 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:28,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2018-10-27 00:20:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2018-10-27 00:20:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:20:28,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:28,538 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:28,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-10-27 00:20:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-10-27 00:20:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:20:29,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:29,023 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:29,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:29,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2018-10-27 00:20:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2018-10-27 00:20:29,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:20:29,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:29,713 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:29,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 65 states and 86 transitions. [2018-10-27 00:20:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2018-10-27 00:20:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 00:20:30,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:30,295 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:30,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:31,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2018-10-27 00:20:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2018-10-27 00:20:31,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:20:31,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:31,013 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:31,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:31,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:31,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2018-10-27 00:20:31,801 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-10-27 00:20:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 00:20:31,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:31,803 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:31,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2018-10-27 00:20:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2018-10-27 00:20:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-27 00:20:32,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:32,436 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:32,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2018-10-27 00:20:33,164 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2018-10-27 00:20:33,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-27 00:20:33,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:33,166 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:33,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2018-10-27 00:20:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2018-10-27 00:20:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-27 00:20:33,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:33,914 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:33,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:34,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 77 states and 104 transitions. [2018-10-27 00:20:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2018-10-27 00:20:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-27 00:20:34,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:34,644 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:34,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:34,849 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:35,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2018-10-27 00:20:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2018-10-27 00:20:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 00:20:35,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:35,841 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:35,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:36,160 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2018-10-27 00:20:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2018-10-27 00:20:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-27 00:20:36,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:36,990 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:37,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 83 states and 113 transitions. [2018-10-27 00:20:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2018-10-27 00:20:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-27 00:20:37,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:37,952 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:38,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 85 states and 116 transitions. [2018-10-27 00:20:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2018-10-27 00:20:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-27 00:20:38,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:20:38,986 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-27 00:20:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:39,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2018-10-27 00:20:39,520 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-27 00:20:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:20:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2018-10-27 00:20:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-10-27 00:20:39,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:20:39,857 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-10-27 00:20:39,868 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:20:39,926 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-27 00:20:39,936 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-27 00:20:39,937 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-27 00:20:39,937 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-27 00:20:39,937 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:20:39,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:20:39 ImpRootNode [2018-10-27 00:20:39,939 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:20:39,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:20:39,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:20:39,939 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:20:39,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:20:18" (3/4) ... [2018-10-27 00:20:39,944 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:20:39,956 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-10-27 00:20:39,956 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-27 00:20:39,957 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-27 00:20:39,957 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:20:39,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == \result [2018-10-27 00:20:40,019 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54d3c35a-cd0b-45cc-913f-876431a6ce86/bin-2019/ukojak/witness.graphml [2018-10-27 00:20:40,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:20:40,020 INFO L168 Benchmark]: Toolchain (without parser) took 23832.37 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 349.7 MB). Free memory was 953.2 MB in the beginning and 942.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 360.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:40,021 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-27 00:20:40,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.03 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:40,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.56 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:20:40,021 INFO L168 Benchmark]: Boogie Preprocessor took 33.00 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:20:40,022 INFO L168 Benchmark]: RCFGBuilder took 2309.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:40,024 INFO L168 Benchmark]: CodeCheck took 21093.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 173.0 MB). Free memory was 1.1 GB in the beginning and 942.3 MB in the end (delta: 176.5 MB). Peak memory consumption was 349.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:40,024 INFO L168 Benchmark]: Witness Printer took 80.30 ms. Allocated memory is still 1.4 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:20:40,026 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, 62 locations, 1 error locations. SAFE Result, 20.9s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 939524096 SDtfs, 1073741820 SDslu, 939524080 SDs, 0 SdLazy, 536870788 SolverSat, -268435568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 79.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10120 GetRequests, 9985 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3901 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1224 NumberOfCodeBlocks, 1224 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1191 ConstructedInterpolants, 3 QuantifiedInterpolants, 166363 SizeOfPredicates, 54 NumberOfNonLiveVariables, 3463 ConjunctsInSsa, 390 ConjunctsInUnsatCore, 33 InterpolantComputations, 9 PerfectInterpolantSequences, 650/5850 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: 106]: 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: 19]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == \result - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 269.03 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 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 42.56 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.00 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2309.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * CodeCheck took 21093.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 173.0 MB). Free memory was 1.1 GB in the beginning and 942.3 MB in the end (delta: 176.5 MB). Peak memory consumption was 349.6 MB. Max. memory is 11.5 GB. * Witness Printer took 80.30 ms. Allocated memory is still 1.4 GB. Free memory is still 942.3 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...