./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.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_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/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_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/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_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/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 f60779531d4ef4e8b10b9b9577dc8311e00cfe5c74bee43d157f8b3f754e1462 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:28:54,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:28:54,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:28:54,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:28:54,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:28:54,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:28:54,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:28:54,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:28:54,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:28:54,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:28:54,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:28:54,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:28:54,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:28:54,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:28:54,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:28:54,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:28:54,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:28:54,822 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:28:54,822 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:28:54,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:28:54,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:28:54,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:28:54,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:28:54,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:28:54,823 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:28:54,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:28:54,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:54,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:28:54,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:28:54,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:28:54,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:28:54,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:28:54,823 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_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/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 -> f60779531d4ef4e8b10b9b9577dc8311e00cfe5c74bee43d157f8b3f754e1462 [2024-11-25 02:28:55,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:28:55,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:28:55,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:28:55,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:28:55,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:28:55,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.c [2024-11-25 02:28:58,114 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/data/8347584de/8f9c6f8ca9cf47f88576ef8eec9e9e8e/FLAG0fcd8d3b4 [2024-11-25 02:28:58,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:28:58,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.c [2024-11-25 02:28:58,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/data/8347584de/8f9c6f8ca9cf47f88576ef8eec9e9e8e/FLAG0fcd8d3b4 [2024-11-25 02:28:58,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/data/8347584de/8f9c6f8ca9cf47f88576ef8eec9e9e8e [2024-11-25 02:28:58,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:28:58,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:28:58,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:58,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:28:58,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:28:58,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778562dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58, skipping insertion in model container [2024-11-25 02:28:58,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:28:58,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:58,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:28:58,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:58,615 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:28:58,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58 WrapperNode [2024-11-25 02:28:58,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:58,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:58,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:28:58,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:28:58,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,645 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-25 02:28:58,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:58,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:28:58,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:28:58,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:28:58,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,657 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:28:58,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:28:58,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:28:58,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:28:58,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:58,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:28:58,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:28:58,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:28:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:28:58,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:28:58,823 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:28:58,825 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:28:58,931 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 02:28:58,931 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:28:58,967 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:28:58,971 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:28:58,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:58 BoogieIcfgContainer [2024-11-25 02:28:58,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:28:58,972 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:28:58,972 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:28:58,988 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:28:58,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:58" (1/1) ... [2024-11-25 02:28:58,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:28:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 02:28:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 02:28:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:28:59,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:59,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:59,198 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 02:28:59,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-25 02:28:59,239 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-25 02:28:59,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:28:59,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:59,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:59,247 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:28:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:59,281 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:28:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:59,301 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:28:59,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:28:59 ImpRootNode [2024-11-25 02:28:59,321 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:28:59,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:28:59,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:28:59,322 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:28:59,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:58" (3/4) ... [2024-11-25 02:28:59,324 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:28:59,371 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-25 02:28:59,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:28:59,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:28:59,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:28:59,423 INFO L158 Benchmark]: Toolchain (without parser) took 1037.56ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 56.3MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:28:59,424 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:59,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.53ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:59,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.90ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.0MB in the end (delta: 965.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:59,429 INFO L158 Benchmark]: Boogie Preprocessor took 24.26ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.5MB in the end (delta: 549.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:59,430 INFO L158 Benchmark]: RCFGBuilder took 301.14ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 73.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:59,430 INFO L158 Benchmark]: CodeCheck took 348.80ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 60.2MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:28:59,430 INFO L158 Benchmark]: Witness Printer took 100.60ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 56.3MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:59,432 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, 11 locations, 4 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 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, 18 GetRequests, 16 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int a, b; [L15] a = __VERIFIER_nondet_int() [L16] b = __VERIFIER_nondet_int() [L17] COND TRUE a >= 1 && b >= 1 VAL [a=1073741824, b=1] [L18] 2*a VAL [b=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.53ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.90ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.0MB in the end (delta: 965.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.26ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.5MB in the end (delta: 549.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.14ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 73.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 348.80ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 60.2MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 100.60ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 56.3MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:28:59,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1c96c-6fc1-485e-9fc2-5f8215f572ce/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)