./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --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 5744db56abf24224cf1693e3e46d5bede5dd8c74199d1ade21d96d1156922237 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:45:02,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:45:02,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:45:02,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:45:02,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:45:02,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:45:02,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:45:02,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:45:02,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:45:02,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:45:02,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:45:02,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:45:02,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:45:02,408 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:45:02,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:45:02,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:45:02,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:45:02,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:45:02,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:45:02,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:45:02,409 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:45:02,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:45:02,409 INFO L153 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_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 5744db56abf24224cf1693e3e46d5bede5dd8c74199d1ade21d96d1156922237 [2024-12-06 02:45:02,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:45:02,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:45:02,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:45:02,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:45:02,657 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:45:02,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i [2024-12-06 02:45:05,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/data/e4e9936c5/4e0675572d394208a0d29b86290e48f5/FLAGa4bad5a7a [2024-12-06 02:45:05,461 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:45:05,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i [2024-12-06 02:45:05,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/data/e4e9936c5/4e0675572d394208a0d29b86290e48f5/FLAGa4bad5a7a [2024-12-06 02:45:05,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/data/e4e9936c5/4e0675572d394208a0d29b86290e48f5 [2024-12-06 02:45:05,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:45:05,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:45:05,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:45:05,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:45:05,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:45:05,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:45:05" (1/1) ... [2024-12-06 02:45:05,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f31e425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:05, skipping insertion in model container [2024-12-06 02:45:05,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:45:05" (1/1) ... [2024-12-06 02:45:05,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:45:06,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:45:06,076 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:45:06,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:45:06,128 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:45:06,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06 WrapperNode [2024-12-06 02:45:06,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:45:06,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:45:06,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:45:06,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:45:06,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,160 INFO L138 Inliner]: procedures = 110, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2024-12-06 02:45:06,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:45:06,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:45:06,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:45:06,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:45:06,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,174 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:45:06,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:45:06,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:45:06,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:45:06,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:45:06,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:45:06,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:45:06,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:45:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:45:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:45:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:45:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:45:06,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:45:06,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:45:06,310 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:45:06,312 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:45:06,425 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 02:45:06,425 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:45:06,469 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:45:06,469 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:45:06,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:06 BoogieIcfgContainer [2024-12-06 02:45:06,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:45:06,470 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:45:06,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:45:06,479 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:45:06,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:06" (1/1) ... [2024-12-06 02:45:06,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:45:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-12-06 02:45:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-12-06 02:45:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:45:06,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:06,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:45:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:06,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:45:06,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:45:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:06,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-12-06 02:45:06,722 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-06 02:45:06,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:45:06,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:06,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:45:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:45:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:06,752 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:45:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:45:06,767 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:45:06,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:45:06 ImpRootNode [2024-12-06 02:45:06,782 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:45:06,782 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:45:06,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:45:06,782 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:45:06,783 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:45:06" (3/4) ... [2024-12-06 02:45:06,783 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:45:06,805 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-06 02:45:06,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:45:06,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:45:06,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:45:06,844 INFO L158 Benchmark]: Toolchain (without parser) took 1017.73ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 62.7MB in the end (delta: 55.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 02:45:06,844 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:06,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.79ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:45:06,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.26ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:06,845 INFO L158 Benchmark]: Boogie Preprocessor took 19.55ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 99.1MB in the end (delta: 854.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:06,846 INFO L158 Benchmark]: RCFGBuilder took 288.13ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 83.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:45:06,846 INFO L158 Benchmark]: CodeCheck took 311.55ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 66.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:45:06,846 INFO L158 Benchmark]: Witness Printer took 61.48ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 62.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:45:06,848 INFO L338 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 554]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int i, j; [L549] int length = __VERIFIER_nondet_int(); [L550] COND FALSE !(length < 1) [L551] int fac = __VERIFIER_nondet_int(); [L552] COND FALSE !(fac < 1) [L553] int *arr = __builtin_alloca (length*sizeof(int)); VAL [arr={2:0}, fac=1073741824, length=2] [L554] fac*length VAL [arr={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.79ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.26ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.55ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 99.1MB in the end (delta: 854.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.13ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 83.8MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 311.55ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 66.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 61.48ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 62.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:45:06,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbf032ac-4b6a-4df8-ab2b-a4608e6fe756/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)