./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3.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_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/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_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/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_5ee3df23-266d-433e-9679-b35e02193c7b/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 9ec0bf4392c8fe4647c82e62efb5bebaadd0d7bdbc2edef80a3ce856001f6a7d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:28:25,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:28:25,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:28:25,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:28:25,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:28:25,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:28:25,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:28:25,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:28:25,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:28:25,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:28:25,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:28:25,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:28:25,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:28:25,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:28:25,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:28:25,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:28:25,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:28:25,629 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:28:25,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:28:25,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:28:25,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:28:25,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:28:25,631 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:28:25,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:28:25,631 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:28:25,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:28:25,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:28:25,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:28:25,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:28:25,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:28:25,632 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:28:25,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:28:25,632 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_5ee3df23-266d-433e-9679-b35e02193c7b/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 -> 9ec0bf4392c8fe4647c82e62efb5bebaadd0d7bdbc2edef80a3ce856001f6a7d [2024-11-25 05:28:25,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:28:26,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:28:26,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:28:26,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:28:26,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:28:26,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3.c [2024-11-25 05:28:29,058 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/data/317fc7fb7/c54804885c5749d588332b258916fc05/FLAGcd8a7928d [2024-11-25 05:28:29,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:28:29,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3.c [2024-11-25 05:28:29,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/data/317fc7fb7/c54804885c5749d588332b258916fc05/FLAGcd8a7928d [2024-11-25 05:28:29,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/data/317fc7fb7/c54804885c5749d588332b258916fc05 [2024-11-25 05:28:29,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:28:29,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:28:29,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:28:29,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:28:29,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:28:29,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b56ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29, skipping insertion in model container [2024-11-25 05:28:29,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:28:29,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:28:29,861 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:28:29,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:28:29,890 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:28:29,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29 WrapperNode [2024-11-25 05:28:29,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:28:29,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:28:29,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:28:29,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:28:29,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,921 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-25 05:28:29,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:28:29,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:28:29,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:28:29,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:28:29,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,933 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:28:29,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:28:29,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:28:29,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:28:29,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:28:29" (1/1) ... [2024-11-25 05:28:29,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:28:29,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:28:29,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:28:30,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:28:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:28:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:28:30,114 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:28:30,117 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:28:30,273 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-25 05:28:30,274 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:28:30,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:28:30,324 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:28:30,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:28:30 BoogieIcfgContainer [2024-11-25 05:28:30,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:28:30,326 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:28:30,326 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:28:30,341 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:28:30,341 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:28:30" (1/1) ... [2024-11-25 05:28:30,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:28:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-25 05:28:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-25 05:28:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:28:30,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:30,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:28:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:28:30,640 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 05:28:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-11-25 05:28:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-25 05:28:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:28:30,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:30,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:28:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:28:30,719 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:28:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:28:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:28:30,761 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:28:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:28:30,776 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 05:28:30,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:28:30 ImpRootNode [2024-11-25 05:28:30,803 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:28:30,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:28:30,804 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:28:30,804 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:28:30,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:28:30" (3/4) ... [2024-11-25 05:28:30,805 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:28:30,856 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-11-25 05:28:30,910 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:28:30,910 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:28:30,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:28:30,911 INFO L158 Benchmark]: Toolchain (without parser) took 1283.91ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 76.8MB in the end (delta: 40.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 05:28:30,912 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:28:30,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.16ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:28:30,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.21ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:28:30,913 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.4MB in the end (delta: 544.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:28:30,913 INFO L158 Benchmark]: RCFGBuilder took 376.74ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.9MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:28:30,914 INFO L158 Benchmark]: CodeCheck took 476.46ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 80.8MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:28:30,914 INFO L158 Benchmark]: Witness Printer took 106.90ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 76.8MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:28:30,916 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 27 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x, y, z; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L20] COND TRUE x > 0 && y > 0 && z > 0 VAL [x=1, y=2, z=1] [L21] COND TRUE y > x [L22] y = z [L23] x = __VERIFIER_nondet_int() [L24] x - 1 VAL [y=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.16ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 107.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.21ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.4MB in the end (delta: 544.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.74ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.9MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 476.46ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 80.8MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 106.90ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 76.8MB 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 05:28:30,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee3df23-266d-433e-9679-b35e02193c7b/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)