./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/geo2.c --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_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/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_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/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_dbe4ca58-aa14-49af-b799-099b5a9558af/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 ec09445dab758b179a5d23be5abdbc023986446e9ad1a9749c9da66caba4ff4e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:06:10,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:06:10,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 00:06:10,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:06:10,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:06:10,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:06:10,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:06:10,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:06:10,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:06:10,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:06:10,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:06:10,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:06:10,236 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:06:10,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:06:10,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:06:10,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:06:10,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:06:10,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:06:10,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:06:10,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:10,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:06:10,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:06:10,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:06:10,238 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:06:10,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:06:10,238 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_dbe4ca58-aa14-49af-b799-099b5a9558af/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 -> ec09445dab758b179a5d23be5abdbc023986446e9ad1a9749c9da66caba4ff4e [2024-12-06 00:06:10,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:06:10,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:06:10,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:06:10,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:06:10,491 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:06:10,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/geo2.c [2024-12-06 00:06:13,226 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/data/295110084/0f798573e1c04546bf8a793a36140a91/FLAG183bb858a [2024-12-06 00:06:13,430 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:06:13,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/sv-benchmarks/c/nla-digbench/geo2.c [2024-12-06 00:06:13,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/data/295110084/0f798573e1c04546bf8a793a36140a91/FLAG183bb858a [2024-12-06 00:06:13,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/data/295110084/0f798573e1c04546bf8a793a36140a91 [2024-12-06 00:06:13,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:06:13,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:06:13,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:13,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:06:13,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:06:13,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:13" (1/1) ... [2024-12-06 00:06:13,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41919b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:13, skipping insertion in model container [2024-12-06 00:06:13,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:13" (1/1) ... [2024-12-06 00:06:13,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:06:13,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:13,988 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:06:14,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:14,021 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:06:14,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14 WrapperNode [2024-12-06 00:06:14,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:14,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:14,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:06:14,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:06:14,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,054 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-12-06 00:06:14,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:14,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:06:14,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:06:14,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:06:14,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,069 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:06:14,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:06:14,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:06:14,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:06:14,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:14,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:06:14,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:06:14,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:06:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:06:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:06:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:06:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:06:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:06:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:06:14,216 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:06:14,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:06:14,490 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-12-06 00:06:14,490 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:06:14,521 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:06:14,522 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:06:14,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:14 BoogieIcfgContainer [2024-12-06 00:06:14,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:06:14,523 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:06:14,523 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:06:14,531 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:06:14,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:06:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2024-12-06 00:06:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2024-12-06 00:06:14,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 00:06:14,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:14,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:06:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:14,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:06:14,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:06:14,720 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 00:06:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2024-12-06 00:06:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2024-12-06 00:06:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 00:06:14,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:14,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:06:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:14,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:06:14,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:06:14,805 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 00:06:14,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 67 states and 70 transitions. [2024-12-06 00:06:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-12-06 00:06:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:06:14,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:14,970 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 00:06:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 68 states and 72 transitions. [2024-12-06 00:06:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2024-12-06 00:06:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:06:15,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:15,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:06:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:06:15,075 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:06:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:06:15,089 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 00:06:15,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:06:15 ImpRootNode [2024-12-06 00:06:15,110 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:06:15,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:06:15,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:06:15,111 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:06:15,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:14" (3/4) ... [2024-12-06 00:06:15,113 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:06:15,146 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 1. [2024-12-06 00:06:15,189 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:06:15,189 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:06:15,190 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:06:15,190 INFO L158 Benchmark]: Toolchain (without parser) took 1394.12ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 113.6MB in the end (delta: 3.1MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-12-06 00:06:15,191 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:06:15,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.64ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:06:15,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.08ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:06:15,191 INFO L158 Benchmark]: Boogie Preprocessor took 21.72ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 852.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:06:15,192 INFO L158 Benchmark]: RCFGBuilder took 444.38ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 87.3MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:06:15,192 INFO L158 Benchmark]: CodeCheck took 587.61ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 55.7MB in the end (delta: 31.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:06:15,193 INFO L158 Benchmark]: Witness Printer took 78.64ms. Allocated memory is still 142.6MB. Free memory was 55.7MB in the beginning and 113.6MB in the end (delta: -57.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-12-06 00:06:15,195 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 2 procedures, 64 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 0 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 34]: integer overflow possible integer overflow possible We found a FailurePath: [L24] int z, k; [L25] int x, y, c; [L26] z = __VERIFIER_nondet_int() [L27] k = __VERIFIER_nondet_int() [L29] x = 1 [L30] y = 1 [L31] c = 1 VAL [c=1, k=0, x=1, y=1, z=2147483647] [L34] EXPR x*z VAL [c=1, k=0, x=1, y=1, z=2147483647] [L34] 1 + x*z VAL [c=1, k=0, y=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.64ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.08ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.72ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 852.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 444.38ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 87.3MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 587.61ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 55.7MB in the end (delta: 31.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 78.64ms. Allocated memory is still 142.6MB. Free memory was 55.7MB in the beginning and 113.6MB in the end (delta: -57.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:06:15,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbe4ca58-aa14-49af-b799-099b5a9558af/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)