./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI --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 20745b6559a0027241fed3a5cbed63a985f3358ae9d5e4871ad5e64eb23bcb25 ............................................................................................................................................................................................................................................................................................. 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 0.2.1-dev-b2eff8b [2021-10-29 03:58:57,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:58:57,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:58:57,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:58:57,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:58:57,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:58:57,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:58:57,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:58:57,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:58:57,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:58:57,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:58:57,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:58:57,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:58:57,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:58:57,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:58:57,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:58:57,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:58:57,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:58:57,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:58:57,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:58:57,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:58:57,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:58:57,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:58:57,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:58:57,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:58:57,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:58:57,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:58:57,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:58:57,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:58:57,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:58:57,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:58:57,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:58:57,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:58:57,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:58:57,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:58:57,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:58:57,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:58:57,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:58:57,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:58:57,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:58:57,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:58:57,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 03:58:57,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:58:57,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:58:57,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:58:57,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:58:57,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:58:57,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:58:57,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:58:57,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:58:57,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:58:57,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:58:57,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:58:57,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:58:57,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:58:57,414 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:58:57,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:58:57,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:58:57,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:58:57,416 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:58:57,416 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:58:57,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:58:57,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:58:57,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:58:57,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:58:57,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:58:57,418 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:58:57,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:58:57,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:58:57,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20745b6559a0027241fed3a5cbed63a985f3358ae9d5e4871ad5e64eb23bcb25 [2021-10-29 03:58:57,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:58:57,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:58:57,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:58:57,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:58:57,776 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:58:57,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2021-10-29 03:58:57,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/data/d0900e4c1/ef5394d6272448a18ba559411ab041e0/FLAG1db9159b7 [2021-10-29 03:58:58,426 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:58:58,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2021-10-29 03:58:58,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/data/d0900e4c1/ef5394d6272448a18ba559411ab041e0/FLAG1db9159b7 [2021-10-29 03:58:58,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/data/d0900e4c1/ef5394d6272448a18ba559411ab041e0 [2021-10-29 03:58:58,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:58:58,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:58:58,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:58:58,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:58:58,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:58:58,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:58:58" (1/1) ... [2021-10-29 03:58:58,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7322a5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:58, skipping insertion in model container [2021-10-29 03:58:58,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:58:58" (1/1) ... [2021-10-29 03:58:58,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:58:58,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:58:59,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:58:59,044 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:58:59,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:58:59,105 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:58:59,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59 WrapperNode [2021-10-29 03:58:59,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:58:59,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:58:59,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:58:59,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:58:59,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:58:59,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:58:59,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:58:59,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:58:59,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:58:59,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:58:59,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:58:59,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:58:59,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:58:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:58:59,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:58:59,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:58:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:58:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:58:59,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:58:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:58:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:58:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:58:59,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:58:59,625 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 03:58:59,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:59 BoogieIcfgContainer [2021-10-29 03:58:59,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:58:59,630 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:58:59,630 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:58:59,643 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:58:59,644 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:59" (1/1) ... [2021-10-29 03:58:59,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:58:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-10-29 03:58:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-10-29 03:58:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:58:59,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:59,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:58:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-10-29 03:58:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-10-29 03:58:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:58:59,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:59,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:59:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:00,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-10-29 03:59:00,079 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-29 03:59:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:59:00,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:00,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:59:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2021-10-29 03:59:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-10-29 03:59:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:59:00,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:00,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:59:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-10-29 03:59:00,610 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-10-29 03:59:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:59:00,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:00,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:59:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2021-10-29 03:59:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-10-29 03:59:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:59:01,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:01,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:59:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2021-10-29 03:59:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-10-29 03:59:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:59:01,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:01,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:59:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2021-10-29 03:59:01,583 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2021-10-29 03:59:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:59:01,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:01,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:59:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:59:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:59:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2021-10-29 03:59:01,654 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2021-10-29 03:59:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:59:01,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:59:01,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:59:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:59:01,686 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:59:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:59:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:59:01,755 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:59:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:59:01,791 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2021-10-29 03:59:01,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:59:01 ImpRootNode [2021-10-29 03:59:01,829 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:59:01,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:59:01,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:59:01,830 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:59:01,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:59" (3/4) ... [2021-10-29 03:59:01,832 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:59:01,909 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:59:01,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:59:01,912 INFO L168 Benchmark]: Toolchain (without parser) took 3134.46 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.2 MB in the beginning and 71.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:59:01,912 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:59:01,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.11 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.0 MB in the beginning and 99.4 MB in the end (delta: -39.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:59:01,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.75 ms. Allocated memory is still 123.7 MB. Free memory was 99.4 MB in the beginning and 97.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:59:01,915 INFO L168 Benchmark]: Boogie Preprocessor took 57.13 ms. Allocated memory is still 123.7 MB. Free memory was 97.9 MB in the beginning and 96.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:59:01,916 INFO L168 Benchmark]: RCFGBuilder took 411.02 ms. Allocated memory is still 123.7 MB. Free memory was 96.9 MB in the beginning and 86.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:59:01,917 INFO L168 Benchmark]: CodeCheck took 2199.27 ms. Allocated memory is still 123.7 MB. Free memory was 86.4 MB in the beginning and 73.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:59:01,918 INFO L168 Benchmark]: Witness Printer took 80.10 ms. Allocated memory is still 123.7 MB. Free memory was 73.3 MB in the beginning and 71.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:59:01,923 INFO L339 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, 20 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 864 SDtfs, 348 SDslu, 16 SDs, 0 SdLazy, 3486 SolverSat, 1294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 405 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 2/14 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) [L16] int a[a_length]; [L17] int j = 0; [L17] COND TRUE j < a_length [L18] a[j] = __VERIFIER_nondet_int() [L17] j++ [L17] COND FALSE !(j < a_length) [L20] int offset = 1; [L21] int i = 0; [L22] COND TRUE i < a_length [L23] EXPR a[i] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset [L26] EXPR a[i] [L26] i + offset + a[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 330.11 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.0 MB in the beginning and 99.4 MB in the end (delta: -39.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.75 ms. Allocated memory is still 123.7 MB. Free memory was 99.4 MB in the beginning and 97.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.13 ms. Allocated memory is still 123.7 MB. Free memory was 97.9 MB in the beginning and 96.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 411.02 ms. Allocated memory is still 123.7 MB. Free memory was 96.9 MB in the beginning and 86.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 2199.27 ms. Allocated memory is still 123.7 MB. Free memory was 86.4 MB in the beginning and 73.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Witness Printer took 80.10 ms. Allocated memory is still 123.7 MB. Free memory was 73.3 MB in the beginning and 71.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:59:02,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_773be3cb-a291-4444-b76d-00104a410ba7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...