./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/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 af383046837f49b57572febe7198ecca5fffa750 ...................................................................................................................................................................................................... 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_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/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 af383046837f49b57572febe7198ecca5fffa750 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:40:45,957 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:40:45,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:40:45,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:40:45,967 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:40:45,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:40:45,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:40:45,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:40:45,972 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:40:45,973 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:40:45,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:40:45,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:40:45,974 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:40:45,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:40:45,976 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:40:45,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:40:45,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:40:45,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:40:45,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:40:45,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:40:45,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:40:45,983 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:40:45,985 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:40:45,985 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:40:45,985 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:40:45,986 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:40:45,987 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:40:45,988 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:40:45,989 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:40:45,989 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:40:45,990 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:40:45,990 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:40:45,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:40:45,991 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:40:45,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:40:45,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:40:45,992 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:40:46,002 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:40:46,002 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:40:46,003 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:40:46,003 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:40:46,004 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:40:46,004 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:40:46,004 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:40:46,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:40:46,006 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:40:46,007 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:40:46,007 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:40:46,007 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:40:46,007 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:40:46,007 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:40:46,007 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:40:46,007 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:40:46,008 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:40:46,008 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:40:46,009 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:40:46,009 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:40:46,009 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:40:46,009 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:40:46,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:40:46,009 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:40:46,010 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:40:46,010 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:40:46,010 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:40:46,010 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:40:46,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:40:46,010 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_ec814402-8f23-4657-ba3f-d30addf4d0c5/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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-11-18 09:40:46,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:40:46,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:40:46,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:40:46,045 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:40:46,046 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:40:46,046 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-11-18 09:40:46,086 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data/e45759248/6afd054f5d444e96b3a189996668c4ab/FLAG1dd79977a [2018-11-18 09:40:46,459 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:40:46,459 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-11-18 09:40:46,465 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data/e45759248/6afd054f5d444e96b3a189996668c4ab/FLAG1dd79977a [2018-11-18 09:40:46,871 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data/e45759248/6afd054f5d444e96b3a189996668c4ab [2018-11-18 09:40:46,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:40:46,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:40:46,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:46,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:40:46,878 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:40:46,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:46" (1/1) ... [2018-11-18 09:40:46,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bda7805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:46, skipping insertion in model container [2018-11-18 09:40:46,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:46" (1/1) ... [2018-11-18 09:40:46,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:40:46,907 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:40:47,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:47,051 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:40:47,068 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:47,084 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:40:47,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47 WrapperNode [2018-11-18 09:40:47,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:47,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:47,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:40:47,086 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:40:47,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:47,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:40:47,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:40:47,116 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:40:47,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:40:47,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:40:47,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:40:47,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:40:47,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:40:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 09:40:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:40:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:40:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:40:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:40:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:40:47,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:40:47,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:47 BoogieIcfgContainer [2018-11-18 09:40:47,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:40:47,349 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:40:47,349 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:40:47,358 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:40:47,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:47" (1/1) ... [2018-11-18 09:40:47,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:47,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 09:40:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 09:40:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 09:40:47,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:40:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:40:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:40:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:40:47,546 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 09:40:47,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:40:47 ImpRootNode [2018-11-18 09:40:47,564 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:40:47,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:40:47,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:40:47,565 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:40:47,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:47" (3/4) ... [2018-11-18 09:40:47,568 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:40:47,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:40:47,569 INFO L168 Benchmark]: Toolchain (without parser) took 695.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 962.5 MB in the beginning and 1.0 GB in the end (delta: -84.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:47,570 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:47,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.87 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:47,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.59 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:47,572 INFO L168 Benchmark]: Boogie Preprocessor took 64.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:47,572 INFO L168 Benchmark]: RCFGBuilder took 168.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:47,573 INFO L168 Benchmark]: CodeCheck took 215.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:47,573 INFO L168 Benchmark]: Witness Printer took 3.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:47,576 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, 10 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someUnaryDOUBLEoperation at line 111. Possible FailurePath: [L111] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) [L100] float sum = a + b; [L101] FCALL union mix m; [L102] FCALL m.f = sum [L103] EXPR, FCALL m.i [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.87 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 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 29.59 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 168.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * CodeCheck took 215.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 09:40:49,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:40:49,281 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:40:49,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:40:49,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:40:49,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:40:49,292 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:40:49,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:40:49,294 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:40:49,295 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:40:49,296 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:40:49,296 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:40:49,296 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:40:49,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:40:49,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:40:49,299 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:40:49,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:40:49,301 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:40:49,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:40:49,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:40:49,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:40:49,305 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:40:49,307 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:40:49,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:40:49,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:40:49,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:40:49,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:40:49,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:40:49,310 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:40:49,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:40:49,311 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:40:49,311 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:40:49,311 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:40:49,312 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:40:49,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:40:49,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:40:49,313 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 09:40:49,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:40:49,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:40:49,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:40:49,327 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:40:49,329 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:40:49,329 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:40:49,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:40:49,330 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:40:49,330 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:40:49,330 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:40:49,330 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:40:49,330 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:40:49,330 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:40:49,331 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:40:49,331 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:40:49,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:40:49,331 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:40:49,331 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:40:49,331 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:40:49,331 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:40:49,331 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:40:49,332 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:40:49,332 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:40:49,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:40:49,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:40:49,332 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:40:49,332 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:40:49,332 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 09:40:49,333 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 09:40:49,333 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:40:49,333 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:40:49,333 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:40:49,333 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_ec814402-8f23-4657-ba3f-d30addf4d0c5/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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-11-18 09:40:49,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:40:49,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:40:49,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:40:49,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:40:49,378 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:40:49,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-11-18 09:40:49,427 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data/204d43418/ee31f79d597b4348b5a6034932f54260/FLAG82cfa7143 [2018-11-18 09:40:49,781 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:40:49,781 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-11-18 09:40:49,785 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data/204d43418/ee31f79d597b4348b5a6034932f54260/FLAG82cfa7143 [2018-11-18 09:40:49,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/data/204d43418/ee31f79d597b4348b5a6034932f54260 [2018-11-18 09:40:49,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:40:49,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:40:49,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:49,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:40:49,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:40:49,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:49" (1/1) ... [2018-11-18 09:40:49,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19aaeb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:49, skipping insertion in model container [2018-11-18 09:40:49,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:49" (1/1) ... [2018-11-18 09:40:49,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:40:49,832 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:40:49,977 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:49,981 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:40:50,000 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:50,020 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:40:50,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50 WrapperNode [2018-11-18 09:40:50,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:50,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:50,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:40:50,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:40:50,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:50,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:40:50,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:40:50,051 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:40:50,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:40:50,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:40:50,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:40:50,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:40:50,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:40:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:40:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 09:40:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:40:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:40:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 09:40:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:40:50,292 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:40:50,350 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:40:50,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:50 BoogieIcfgContainer [2018-11-18 09:40:50,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:40:50,351 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:40:50,351 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:40:50,361 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:40:50,361 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:50" (1/1) ... [2018-11-18 09:40:50,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 09:40:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 09:40:50,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 09:40:50,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:40:50,448 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 09:40:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:50,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:40:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:40:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-18 09:40:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-18 09:40:50,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:40:50,634 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-18 09:40:50,641 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:40:50,649 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:40:50,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:40:50 ImpRootNode [2018-11-18 09:40:50,651 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:40:50,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:40:50,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:40:50,651 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:40:50,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:50" (3/4) ... [2018-11-18 09:40:50,654 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:40:50,663 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 09:40:50,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 09:40:50,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 09:40:50,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:40:50,697 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ec814402-8f23-4657-ba3f-d30addf4d0c5/bin-2019/ukojak/witness.graphml [2018-11-18 09:40:50,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:40:50,698 INFO L168 Benchmark]: Toolchain (without parser) took 897.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:50,699 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:50,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.07 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. [2018-11-18 09:40:50,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.62 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. [2018-11-18 09:40:50,700 INFO L168 Benchmark]: Boogie Preprocessor took 20.21 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. [2018-11-18 09:40:50,700 INFO L168 Benchmark]: RCFGBuilder took 279.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:50,701 INFO L168 Benchmark]: CodeCheck took 299.43 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:50,701 INFO L168 Benchmark]: Witness Printer took 46.60 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:50,704 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, 10 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 8 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 9 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 - PositiveResult [Line: 103]: 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: 103]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 219.07 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 29.62 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 20.21 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 279.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * CodeCheck took 299.43 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.60 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...