./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.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_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ........................................................................................................................................................................................................... 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_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/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 e96842f9a03cb3c7d57e4720c2380ee270a08502 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:42:08,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:42:08,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:42:08,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:42:08,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:42:08,125 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:42:08,126 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:42:08,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:42:08,129 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:42:08,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:42:08,130 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:42:08,130 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:42:08,131 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:42:08,132 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:42:08,133 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:42:08,134 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:42:08,134 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:42:08,135 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:42:08,137 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:42:08,138 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:42:08,139 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:42:08,140 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:42:08,142 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:42:08,142 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:42:08,142 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:42:08,143 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:42:08,144 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:42:08,144 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:42:08,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:42:08,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:42:08,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:42:08,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:42:08,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:42:08,147 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:42:08,147 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:42:08,148 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:42:08,148 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:42:08,160 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:42:08,160 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:42:08,161 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:42:08,161 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:42:08,161 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:42:08,162 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:42:08,162 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:42:08,162 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:42:08,162 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:42:08,162 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:42:08,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:42:08,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:42:08,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:42:08,163 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:42:08,163 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:42:08,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:42:08,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:42:08,163 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:42:08,163 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:42:08,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:42:08,164 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:42:08,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:42:08,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:42:08,164 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:42:08,166 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:42:08,166 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:42:08,167 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:42:08,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:42:08,167 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_0492216a-a490-4441-96e3-7b0bf52578e9/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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-10-26 22:42:08,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:42:08,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:42:08,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:42:08,206 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:42:08,207 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:42:08,207 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-10-26 22:42:08,251 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data/ad267abef/b95790500ef74979a6ac098a04b3f77d/FLAG656f3aff0 [2018-10-26 22:42:08,628 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:42:08,629 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-10-26 22:42:08,635 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data/ad267abef/b95790500ef74979a6ac098a04b3f77d/FLAG656f3aff0 [2018-10-26 22:42:08,649 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data/ad267abef/b95790500ef74979a6ac098a04b3f77d [2018-10-26 22:42:08,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:42:08,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:42:08,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:42:08,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:42:08,660 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:42:08,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f0132f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08, skipping insertion in model container [2018-10-26 22:42:08,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:42:08,688 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:42:08,803 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:42:08,806 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:42:08,819 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:42:08,830 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:42:08,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08 WrapperNode [2018-10-26 22:42:08,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:42:08,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:42:08,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:42:08,832 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:42:08,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:42:08,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:42:08,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:42:08,859 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:42:08,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... [2018-10-26 22:42:08,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:42:08,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:42:08,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:42:08,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:42:08,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:42:08,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:42:08,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:42:09,204 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:42:09,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:09 BoogieIcfgContainer [2018-10-26 22:42:09,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:42:09,205 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:42:09,205 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:42:09,215 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:42:09,215 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:09" (1/1) ... [2018-10-26 22:42:09,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:42:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:42:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 22:42:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 22:42:09,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 22:42:09,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:42:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:42:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:42:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:42:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:42:09,428 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 22:42:09,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:42:09 ImpRootNode [2018-10-26 22:42:09,451 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:42:09,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:42:09,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:42:09,452 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:42:09,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:09" (3/4) ... [2018-10-26 22:42:09,455 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:42:09,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:42:09,456 INFO L168 Benchmark]: Toolchain (without parser) took 801.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:42:09,458 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. [2018-10-26 22:42:09,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:09,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.49 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:42:09,459 INFO L168 Benchmark]: Boogie Preprocessor took 14.59 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:09,460 INFO L168 Benchmark]: RCFGBuilder took 331.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:09,461 INFO L168 Benchmark]: CodeCheck took 246.36 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:09,462 INFO L168 Benchmark]: Witness Printer took 3.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:42:09,465 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, 9 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e7f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 2.f) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 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 26.49 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.59 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 331.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 246.36 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:42:11,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:42:11,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:42:11,325 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:42:11,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:42:11,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:42:11,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:42:11,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:42:11,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:42:11,331 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:42:11,332 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:42:11,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:42:11,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:42:11,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:42:11,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:42:11,337 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:42:11,338 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:42:11,339 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:42:11,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:42:11,341 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:42:11,342 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:42:11,343 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:42:11,345 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:42:11,345 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:42:11,345 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:42:11,346 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:42:11,347 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:42:11,347 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:42:11,348 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:42:11,349 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:42:11,349 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:42:11,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:42:11,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:42:11,350 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:42:11,351 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:42:11,351 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:42:11,352 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 22:42:11,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:42:11,363 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:42:11,364 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:42:11,364 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:42:11,365 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:42:11,365 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:42:11,365 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:42:11,365 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:42:11,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:42:11,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:42:11,366 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:42:11,366 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:42:11,366 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:42:11,366 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:42:11,366 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:42:11,366 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:42:11,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:42:11,367 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:42:11,367 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:42:11,367 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:42:11,367 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:42:11,367 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:42:11,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:42:11,367 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:42:11,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:42:11,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:42:11,368 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 22:42:11,368 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:42:11,368 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:42:11,368 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:42:11,368 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:42:11,369 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_0492216a-a490-4441-96e3-7b0bf52578e9/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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2018-10-26 22:42:11,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:42:11,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:42:11,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:42:11,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:42:11,422 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:42:11,423 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-10-26 22:42:11,468 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data/66cb10247/c1efb63176dc41f8b5d70f13026d71ec/FLAG24b6520b8 [2018-10-26 22:42:11,812 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:42:11,812 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/sv-benchmarks/c/float-benchs/addsub_float_exact_true-unreach-call_true-termination.c [2018-10-26 22:42:11,818 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data/66cb10247/c1efb63176dc41f8b5d70f13026d71ec/FLAG24b6520b8 [2018-10-26 22:42:11,828 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/data/66cb10247/c1efb63176dc41f8b5d70f13026d71ec [2018-10-26 22:42:11,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:42:11,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:42:11,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:42:11,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:42:11,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:42:11,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:42:11" (1/1) ... [2018-10-26 22:42:11,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448e6dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:11, skipping insertion in model container [2018-10-26 22:42:11,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:42:11" (1/1) ... [2018-10-26 22:42:11,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:42:11,866 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:42:11,996 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:42:12,003 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:42:12,015 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:42:12,028 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:42:12,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12 WrapperNode [2018-10-26 22:42:12,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:42:12,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:42:12,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:42:12,029 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:42:12,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:42:12,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:42:12,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:42:12,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:42:12,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:42:12,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:42:12,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:42:12,076 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:42:12,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:42:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:42:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:42:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:42:12,422 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:42:12,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:12 BoogieIcfgContainer [2018-10-26 22:42:12,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:42:12,423 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:42:12,423 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:42:12,433 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:42:12,434 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:12" (1/1) ... [2018-10-26 22:42:12,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:42:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:42:12,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 22:42:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 22:42:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 22:42:12,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:42:12,554 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 22:42:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:42:12,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:42:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:42:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:42:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-10-26 22:42:13,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-10-26 22:42:13,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:42:13,560 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-10-26 22:42:13,570 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:42:13,585 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:42:13,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:42:13 ImpRootNode [2018-10-26 22:42:13,588 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:42:13,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:42:13,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:42:13,588 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:42:13,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:42:12" (3/4) ... [2018-10-26 22:42:13,592 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:42:13,601 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 22:42:13,602 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 22:42:13,602 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:42:13,637 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0492216a-a490-4441-96e3-7b0bf52578e9/bin-2019/ukojak/witness.graphml [2018-10-26 22:42:13,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:42:13,638 INFO L168 Benchmark]: Toolchain (without parser) took 1807.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:42:13,639 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. [2018-10-26 22:42:13,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.33 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:13,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.73 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:42:13,641 INFO L168 Benchmark]: Boogie Preprocessor took 17.33 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:13,641 INFO L168 Benchmark]: RCFGBuilder took 346.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 934.5 MB in the beginning and 1.2 GB in the end (delta: -221.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:13,642 INFO L168 Benchmark]: CodeCheck took 1164.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:13,642 INFO L168 Benchmark]: Witness Printer took 49.65 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:42:13,649 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, 9 locations, 1 error locations. SAFE Result, 1.1s 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, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 7 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: 4]: 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: 4]: 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 192.33 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.8 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 28.73 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.33 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 346.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 934.5 MB in the beginning and 1.2 GB in the end (delta: -221.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1164.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.65 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...