./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/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_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/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 32bit --witnessprinter.graph.data.programhash 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:52:41,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:52:41,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:52:41,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:52:41,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:52:41,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:52:41,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:52:41,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:52:41,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:52:41,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:52:41,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:52:41,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:52:41,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:52:41,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:52:41,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:52:41,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:52:41,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:52:41,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:52:41,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:52:41,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:52:41,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:52:41,399 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:52:41,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:52:41,399 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:52:41,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:52:41,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:52:41,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:52:41,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:52:41,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:52:41,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:52:41,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:52:41,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:52:41,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:52:41,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:52:41,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:52:41,400 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_22ae6175-243f-4de6-b75e-69f3fc0b9543/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d [2024-12-06 02:52:41,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:52:41,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:52:41,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:52:41,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:52:41,606 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:52:41,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2024-12-06 02:52:44,205 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/data/97dfcd0b6/17fb305a4f824609807ea81e5fb484f8/FLAG04c243037 [2024-12-06 02:52:44,405 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:52:44,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2024-12-06 02:52:44,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/data/97dfcd0b6/17fb305a4f824609807ea81e5fb484f8/FLAG04c243037 [2024-12-06 02:52:44,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/data/97dfcd0b6/17fb305a4f824609807ea81e5fb484f8 [2024-12-06 02:52:44,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:52:44,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:52:44,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:52:44,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:52:44,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:52:44,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aad8c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44, skipping insertion in model container [2024-12-06 02:52:44,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:52:44,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:52:44,919 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:52:44,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:52:44,939 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:52:44,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44 WrapperNode [2024-12-06 02:52:44,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:52:44,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:52:44,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:52:44,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:52:44,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,959 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2024-12-06 02:52:44,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:52:44,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:52:44,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:52:44,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:52:44,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,967 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:52:44,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:52:44,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:52:44,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:52:44,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:52:44" (1/1) ... [2024-12-06 02:52:44,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:52:44,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:52:44,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:52:45,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:52:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:52:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:52:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:52:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:52:45,067 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:52:45,068 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:52:45,157 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 02:52:45,157 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:52:45,196 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:52:45,196 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:52:45,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:52:45 BoogieIcfgContainer [2024-12-06 02:52:45,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:52:45,197 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:52:45,197 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:52:45,204 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:52:45,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:52:45" (1/1) ... [2024-12-06 02:52:45,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:52:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:45,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-12-06 02:52:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-12-06 02:52:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:52:45,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:45,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:52:45,389 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 02:52:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:52:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 02:52:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 02:52:45,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:52:45,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:52:45,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:52:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:52:45,435 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:52:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:52:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:52:45,470 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:52:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:52:45,482 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:52:45,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:52:45 ImpRootNode [2024-12-06 02:52:45,495 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:52:45,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:52:45,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:52:45,496 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:52:45,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:52:45" (3/4) ... [2024-12-06 02:52:45,497 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:52:45,526 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-06 02:52:45,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:52:45,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:52:45,553 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:52:45,554 INFO L158 Benchmark]: Toolchain (without parser) took 761.21ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 49.6MB in the end (delta: 43.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:52:45,554 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:52:45,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.72ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:52:45,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.53ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:52:45,555 INFO L158 Benchmark]: Boogie Preprocessor took 13.07ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 599.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:52:45,555 INFO L158 Benchmark]: RCFGBuilder took 223.33ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 68.6MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:52:45,556 INFO L158 Benchmark]: CodeCheck took 298.01ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 53.4MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:52:45,556 INFO L158 Benchmark]: Witness Printer took 57.42ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 49.6MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:52:45,558 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, 15 locations, 6 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, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 VAL [i=1, n=-1073741825, sn=0] [L24] COND FALSE !(i<=n) VAL [n=-1073741825, sn=0] [L28] n*(2) VAL [sn=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 146.72ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.53ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.07ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.8MB in the end (delta: 599.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 223.33ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 68.6MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 298.01ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 53.4MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 57.42ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 49.6MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:52:45,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22ae6175-243f-4de6-b75e-69f3fc0b9543/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)