./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5.c --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_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3 --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 ae520021b7ae33e1c39ebc88a3bd4b6d0faa8047482c705045c462b6123d7d46 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:20:19,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:20:19,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:20:19,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:20:19,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:20:19,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:20:19,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:20:19,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:20:19,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:20:19,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:20:19,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:20:19,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:20:19,752 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:20:19,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:20:19,752 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:20:19,752 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:20:19,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:20:19,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:20:19,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:20:19,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:20:19,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:20:19,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:20:19,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:20:19,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:20:19,755 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_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3 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 -> ae520021b7ae33e1c39ebc88a3bd4b6d0faa8047482c705045c462b6123d7d46 [2024-11-25 04:20:20,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:20:20,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:20:20,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:20:20,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:20:20,182 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:20:20,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5.c [2024-11-25 04:20:23,798 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/data/93472cbd7/df87684a0bcf45deb11f88f9842771b6/FLAG1ce0e84b2 [2024-11-25 04:20:24,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:20:24,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/sv-benchmarks/c/termination-crafted/NonTerminationSimple5.c [2024-11-25 04:20:24,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/data/93472cbd7/df87684a0bcf45deb11f88f9842771b6/FLAG1ce0e84b2 [2024-11-25 04:20:24,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/data/93472cbd7/df87684a0bcf45deb11f88f9842771b6 [2024-11-25 04:20:24,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:20:24,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:20:24,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:20:24,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:20:24,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:20:24,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e3bf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24, skipping insertion in model container [2024-11-25 04:20:24,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:20:24,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:20:24,657 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:20:24,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:20:24,686 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:20:24,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24 WrapperNode [2024-11-25 04:20:24,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:20:24,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:20:24,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:20:24,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:20:24,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,728 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-25 04:20:24,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:20:24,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:20:24,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:20:24,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:20:24,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,743 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:20:24,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:20:24,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:20:24,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:20:24,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:20:24" (1/1) ... [2024-11-25 04:20:24,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:20:24,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:20:24,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:20:24,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:20:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:20:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:20:24,942 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:20:24,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:20:25,071 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 04:20:25,071 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:20:25,101 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:20:25,101 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:20:25,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:20:25 BoogieIcfgContainer [2024-11-25 04:20:25,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:20:25,102 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:20:25,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:20:25,115 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:20:25,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:20:25" (1/1) ... [2024-11-25 04:20:25,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:20:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-25 04:20:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-25 04:20:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:20:25,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:25,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:20:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:20:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 04:20:25,537 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 04:20:25,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:20:25,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:25,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:20:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:20:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-25 04:20:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-25 04:20:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:20:25,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:25,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:20:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:20:25,676 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:20:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:20:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:20:25,709 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:20:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:20:25,721 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 04:20:25,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:20:25 ImpRootNode [2024-11-25 04:20:25,743 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:20:25,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:20:25,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:20:25,745 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:20:25,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:20:25" (3/4) ... [2024-11-25 04:20:25,747 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:20:25,802 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-11-25 04:20:25,868 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:20:25,869 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:20:25,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:20:25,870 INFO L158 Benchmark]: Toolchain (without parser) took 1459.98ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 51.1MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:20:25,871 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:20:25,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.57ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:20:25,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.07ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:20:25,873 INFO L158 Benchmark]: Boogie Preprocessor took 31.24ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.9MB in the end (delta: 712.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:20:25,874 INFO L158 Benchmark]: RCFGBuilder took 339.68ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 72.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:20:25,874 INFO L158 Benchmark]: CodeCheck took 641.58ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 55.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:20:25,874 INFO L158 Benchmark]: Witness Printer took 124.16ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 51.1MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:20:25,879 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 10 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x; [L13] x = __VERIFIER_nondet_int() [L14] COND TRUE x >= 0 [L15] COND FALSE !(__VERIFIER_nondet_int() != 0) [L18] x + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.57ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.07ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.24ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.9MB in the end (delta: 712.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.68ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 72.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 641.58ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 55.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 124.16ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 51.1MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:20:25,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5526e57b-2a59-415a-83e0-d1a8692e5794/bin/ukojak-verify-ENZ3QT5qd3/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)