./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple8.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_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/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_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/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_bdc8b488-2891-49bf-aa02-b50e8e891613/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 75c77784640a1236b85c33567209079138fc6d25915cbea50e6b8364ebae6f68 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:13:11,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:13:11,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:13:11,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:13:11,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:13:11,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:13:11,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:13:11,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:13:11,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:13:11,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:13:11,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:13:11,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:13:11,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:13:11,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:13:11,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:13:11,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:13:11,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:13:11,482 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:13:11,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:13:11,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:13:11,482 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:13:11,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:13:11,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:13:11,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:13:11,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:13:11,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:13:11,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:11,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:13:11,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:13:11,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:13:11,484 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:13:11,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:13:11,484 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_bdc8b488-2891-49bf-aa02-b50e8e891613/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 -> 75c77784640a1236b85c33567209079138fc6d25915cbea50e6b8364ebae6f68 [2024-11-25 05:13:11,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:13:11,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:13:11,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:13:11,824 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:13:11,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:13:11,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple8.c [2024-11-25 05:13:14,776 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/data/32d97b250/4a1a71d0253f4709bc1dd6a61720eec0/FLAG81f5a1d33 [2024-11-25 05:13:15,069 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:13:15,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/sv-benchmarks/c/termination-crafted/NonTerminationSimple8.c [2024-11-25 05:13:15,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/data/32d97b250/4a1a71d0253f4709bc1dd6a61720eec0/FLAG81f5a1d33 [2024-11-25 05:13:15,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/data/32d97b250/4a1a71d0253f4709bc1dd6a61720eec0 [2024-11-25 05:13:15,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:13:15,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:13:15,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:15,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:13:15,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:13:15,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2255b0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15, skipping insertion in model container [2024-11-25 05:13:15,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:13:15,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:15,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:13:15,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:13:15,379 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:13:15,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15 WrapperNode [2024-11-25 05:13:15,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:13:15,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:15,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:13:15,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:13:15,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,410 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-25 05:13:15,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:13:15,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:13:15,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:13:15,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:13:15,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,423 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:13:15,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:13:15,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:13:15,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:13:15,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:13:15,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:13:15,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:13:15,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:13:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:13:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:13:15,582 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:13:15,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:13:15,721 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-25 05:13:15,722 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:13:15,764 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:13:15,764 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:13:15,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:15 BoogieIcfgContainer [2024-11-25 05:13:15,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:13:15,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:13:15,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:13:15,780 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:13:15,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:15" (1/1) ... [2024-11-25 05:13:15,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:13:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-25 05:13:15,852 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-25 05:13:15,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:13:15,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:15,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:16,006 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 05:13:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 05:13:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 05:13:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:13:16,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:16,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:13:16,121 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 05:13:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:13:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 05:13:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 05:13:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:13:16,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:13:16,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:13:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:16,155 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:13:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:16,183 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:13:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:13:16,194 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 05:13:16,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:13:16 ImpRootNode [2024-11-25 05:13:16,212 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:13:16,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:13:16,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:13:16,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:13:16,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:13:15" (3/4) ... [2024-11-25 05:13:16,215 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:13:16,256 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-11-25 05:13:16,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:13:16,311 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:13:16,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:13:16,312 INFO L158 Benchmark]: Toolchain (without parser) took 1164.37ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 75.1MB in the end (delta: 43.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:13:16,312 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:16,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.43ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 108.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:16,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.95ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:16,314 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.9MB in the end (delta: 539.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:16,314 INFO L158 Benchmark]: RCFGBuilder took 328.13ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 96.1MB in the end (delta: 10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:13:16,315 INFO L158 Benchmark]: CodeCheck took 443.76ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 79.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:13:16,315 INFO L158 Benchmark]: Witness Printer took 98.36ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 75.1MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:13:16,319 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: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 12 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 2 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 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: 16]: 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 TRUE __VERIFIER_nondet_int() != 0 [L16] x + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.43ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 108.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.95ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.72ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.9MB in the end (delta: 539.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.13ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 96.1MB in the end (delta: 10.7MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 443.76ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 79.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 98.36ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 75.1MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 05:13:16,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc8b488-2891-49bf-aa02-b50e8e891613/bin/ukojak-verify-ENZ3QT5qd3/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)