./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTermination3_true-no-overflow_false-termination.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTermination3_true-no-overflow_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b10c0555613e3e1e99ee574b69e31152fe0aa7f9 ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:42:00,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:42:00,157 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:42:00,165 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:42:00,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:42:00,165 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:42:00,166 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:42:00,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:42:00,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:42:00,169 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:42:00,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:42:00,170 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:42:00,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:42:00,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:42:00,172 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:42:00,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:42:00,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:42:00,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:42:00,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:42:00,176 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:42:00,177 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:42:00,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:42:00,179 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:42:00,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:42:00,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:42:00,180 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:42:00,181 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:42:00,182 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:42:00,182 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:42:00,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:42:00,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:42:00,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:42:00,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:42:00,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:42:00,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:42:00,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:42:00,185 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-08 17:42:00,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:42:00,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:42:00,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:42:00,196 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:42:00,197 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:42:00,197 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:42:00,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:42:00,197 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 17:42:00,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:42:00,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:42:00,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:42:00,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:42:00,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:42:00,198 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-08 17:42:00,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:42:00,198 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:42:00,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:42:00,198 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:42:00,198 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:42:00,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:42:00,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:42:00,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:42:00,199 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:42:00,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:42:00,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:42:00,199 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:42:00,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:42:00,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:42:00,199 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_840992ab-5c7b-4d5f-a27f-9976b09b83fb/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b10c0555613e3e1e99ee574b69e31152fe0aa7f9 [2018-12-08 17:42:00,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:42:00,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:42:00,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:42:00,234 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:42:00,235 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:42:00,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/NonTermination3_true-no-overflow_false-termination.c [2018-12-08 17:42:00,277 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/data/10c1dc97f/ea9cbaf805754500a335f5cf5aa35858/FLAG185c8ee38 [2018-12-08 17:42:00,692 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:42:00,692 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/sv-benchmarks/c/termination-crafted/NonTermination3_true-no-overflow_false-termination.c [2018-12-08 17:42:00,695 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/data/10c1dc97f/ea9cbaf805754500a335f5cf5aa35858/FLAG185c8ee38 [2018-12-08 17:42:00,703 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/data/10c1dc97f/ea9cbaf805754500a335f5cf5aa35858 [2018-12-08 17:42:00,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:42:00,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:42:00,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:42:00,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:42:00,708 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:42:00,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409ee820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00, skipping insertion in model container [2018-12-08 17:42:00,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:42:00,722 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:42:00,807 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:42:00,809 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:42:00,819 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:42:00,830 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:42:00,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00 WrapperNode [2018-12-08 17:42:00,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:42:00,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:42:00,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:42:00,831 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:42:00,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:42:00,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:42:00,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:42:00,860 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:42:00,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... [2018-12-08 17:42:00,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:42:00,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:42:00,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:42:00,903 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:42:00,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:42:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/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 [2018-12-08 17:42:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 17:42:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:42:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:42:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:42:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 17:42:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 17:42:01,072 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:42:01,072 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-08 17:42:01,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:42:01 BoogieIcfgContainer [2018-12-08 17:42:01,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:42:01,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:42:01,073 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:42:01,079 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:42:01,080 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:42:01" (1/1) ... [2018-12-08 17:42:01,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:42:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:01,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-12-08 17:42:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-12-08 17:42:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 17:42:01,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:01,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 17:42:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 17:42:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 17:42:01,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-08 17:42:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-08 17:42:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 17:42:01,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-12-08 17:42:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-12-08 17:42:01,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:42:01,377 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-08 17:42:01,383 INFO L779 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-12-08 17:42:01,403 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 17:42:01,405 INFO L583 CodeCheckObserver]: Invariant with dag size 5 [2018-12-08 17:42:01,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:42:01 ImpRootNode [2018-12-08 17:42:01,410 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:42:01,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:42:01,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:42:01,410 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:42:01,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:42:01" (3/4) ... [2018-12-08 17:42:01,413 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:42:01,419 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 17:42:01,420 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 17:42:01,420 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 17:42:01,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_840992ab-5c7b-4d5f-a27f-9976b09b83fb/bin-2019/ukojak/witness.graphml [2018-12-08 17:42:01,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:42:01,450 INFO L168 Benchmark]: Toolchain (without parser) took 745.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -96.3 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:01,452 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:42:01,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.51 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:01,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.50 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:42:01,453 INFO L168 Benchmark]: Boogie Preprocessor took 43.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:01,453 INFO L168 Benchmark]: RCFGBuilder took 169.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:01,453 INFO L168 Benchmark]: CodeCheck took 337.30 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: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:01,454 INFO L168 Benchmark]: Witness Printer took 39.83 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. [2018-12-08 17:42:01,456 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, 14 locations, 2 error locations. SAFE Result, 0.2s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 30 SDslu, 0 SDs, 0 SdLazy, 116 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= n + 2147483648 * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.51 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 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 28.50 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 169.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * CodeCheck took 337.30 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: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. * Witness Printer took 39.83 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...