./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/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 1ddf57665a2dc09f80314050c3325075c7d61dd7 ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:43:14,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:43:14,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:43:14,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:43:14,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:43:14,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:43:14,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:43:14,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:43:14,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:43:14,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:43:14,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:43:14,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:43:14,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:43:14,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:43:14,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:43:14,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:43:14,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:43:14,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:43:14,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:43:14,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:43:14,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:43:14,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:43:14,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:43:14,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:43:14,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:43:14,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:43:14,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:43:14,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:43:14,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:43:14,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:43:14,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:43:14,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:43:14,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:43:14,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:43:14,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:43:14,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:43:14,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:43:14,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:43:14,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:43:14,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:43:14,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:43:14,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 01:43:14,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:43:14,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:43:14,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:43:14,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:43:14,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:43:14,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:43:14,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:43:14,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:43:14,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:43:14,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:43:14,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:43:14,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:43:14,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:43:14,261 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 01:43:14,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:43:14,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:43:14,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:43:14,262 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:43:14,262 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:43:14,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:43:14,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:43:14,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:43:14,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:43:14,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:43:14,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:43:14,264 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:43:14,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:43:14,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:43:14,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/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 -> 1ddf57665a2dc09f80314050c3325075c7d61dd7 [2019-11-20 01:43:14,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:43:14,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:43:14,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:43:14,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:43:14,465 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:43:14,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c [2019-11-20 01:43:14,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/data/c1ea956d4/807b5937becd419bb7e8ac64bf2e9918/FLAG181b06056 [2019-11-20 01:43:14,882 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:43:14,883 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c [2019-11-20 01:43:14,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/data/c1ea956d4/807b5937becd419bb7e8ac64bf2e9918/FLAG181b06056 [2019-11-20 01:43:15,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/data/c1ea956d4/807b5937becd419bb7e8ac64bf2e9918 [2019-11-20 01:43:15,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:43:15,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:43:15,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:43:15,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:43:15,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:43:15,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62978216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15, skipping insertion in model container [2019-11-20 01:43:15,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,303 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:43:15,317 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:43:15,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:43:15,513 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:43:15,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:43:15,610 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:43:15,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15 WrapperNode [2019-11-20 01:43:15,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:43:15,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:43:15,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:43:15,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:43:15,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:43:15,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:43:15,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:43:15,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:43:15,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... [2019-11-20 01:43:15,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:43:15,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:43:15,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:43:15,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:43:15,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:43:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/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 [2019-11-20 01:43:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-20 01:43:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-20 01:43:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-20 01:43:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-20 01:43:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:43:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:43:16,072 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:43:16,073 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 01:43:16,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:43:16 BoogieIcfgContainer [2019-11-20 01:43:16,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:43:16,074 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:43:16,075 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:43:16,084 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:43:16,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:43:16" (1/1) ... [2019-11-20 01:43:16,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:43:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:43:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2019-11-20 01:43:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2019-11-20 01:43:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 01:43:16,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:43:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:43:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:43:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:43:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:43:16,291 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-20 01:43:16,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:43:16 ImpRootNode [2019-11-20 01:43:16,317 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:43:16,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:43:16,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:43:16,318 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:43:16,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:43:16" (3/4) ... [2019-11-20 01:43:16,320 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 01:43:16,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_54dbea21-25ec-47a6-bf39-bf8c25faece9/bin/ukojak/witness.graphml [2019-11-20 01:43:16,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:43:16,355 INFO L168 Benchmark]: Toolchain (without parser) took 1068.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:43:16,356 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:43:16,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -212.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:43:16,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:43:16,358 INFO L168 Benchmark]: Boogie Preprocessor took 16.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:43:16,359 INFO L168 Benchmark]: RCFGBuilder took 420.99 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:43:16,359 INFO L168 Benchmark]: CodeCheck took 242.89 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:43:16,360 INFO L168 Benchmark]: Witness Printer took 35.74 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:43:16,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 36 locations, 8 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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, 6 NumberOfCodeBlocks, 6 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L34] int a = __VERIFIER_nondet_int(); [L35] int b = __VERIFIER_nondet_int(); [L36] COND TRUE a >= 0 && b >= 0 [L37] CALL f(a, b) VAL [\old(a)=2147483647, \old(b)=1] [L18] COND FALSE !(b == 0) VAL [\old(a)=2147483647, \old(b)=1, a=2147483647, b=1] [L21] 1+a VAL [\old(a)=2147483647, \old(b)=1, a=2147483647, b=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -212.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 420.99 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 242.89 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 35.74 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...