./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/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_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09fd8ad5e54d1afc3814e92f6e6cffe14c4c03bf07046bb5361cfba68e0dc394 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:43:22,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:43:22,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:43:22,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:43:22,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:43:22,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:43:22,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:43:22,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:43:22,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:43:22,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:43:22,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:43:22,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:43:22,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:43:22,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:43:22,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:43:22,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:43:22,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:43:22,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:43:22,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:43:22,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:43:22,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:43:22,653 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:43:22,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:43:22,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:43:22,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:43:22,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:43:22,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:43:22,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:43:22,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:43:22,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:43:22,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:43:22,655 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:43:22,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:43:22,655 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_129aa853-5ef3-4767-9c04-c1de43df6d21/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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09fd8ad5e54d1afc3814e92f6e6cffe14c4c03bf07046bb5361cfba68e0dc394 [2024-11-25 04:43:23,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:43:23,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:43:23,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:43:23,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:43:23,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:43:23,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c [2024-11-25 04:43:26,109 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/data/4d618c3fa/d8cc756c3d124fd098820fa239bd5a4b/FLAGf1c6bad09 [2024-11-25 04:43:26,392 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:43:26,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c [2024-11-25 04:43:26,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/data/4d618c3fa/d8cc756c3d124fd098820fa239bd5a4b/FLAGf1c6bad09 [2024-11-25 04:43:26,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/data/4d618c3fa/d8cc756c3d124fd098820fa239bd5a4b [2024-11-25 04:43:26,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:43:26,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:43:26,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:43:26,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:43:26,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:43:26,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142e0502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26, skipping insertion in model container [2024-11-25 04:43:26,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:43:26,677 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c[739,752] [2024-11-25 04:43:26,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:43:26,706 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:43:26,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/sv-benchmarks/c/loop-acceleration/const_1-2_abstracted.c[739,752] [2024-11-25 04:43:26,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:43:26,745 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:43:26,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26 WrapperNode [2024-11-25 04:43:26,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:43:26,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:43:26,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:43:26,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:43:26,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,781 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-25 04:43:26,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:43:26,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:43:26,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:43:26,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:43:26,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,794 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:43:26,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:43:26,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:43:26,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:43:26,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:43:26" (1/1) ... [2024-11-25 04:43:26,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:43:26,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:43:26,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:43:26,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:43:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:43:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:43:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:43:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:43:26,935 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:43:26,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:43:27,023 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 04:43:27,023 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:43:27,067 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:43:27,067 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:43:27,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:27 BoogieIcfgContainer [2024-11-25 04:43:27,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:43:27,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:43:27,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:43:27,082 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:43:27,082 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:27" (1/1) ... [2024-11-25 04:43:27,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:43:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:43:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 04:43:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 04:43:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:43:27,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:43:27,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:43:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:43:27,249 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:43:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:43:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:43:27,326 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:43:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:43:27,345 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:43:27,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:43:27 ImpRootNode [2024-11-25 04:43:27,365 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:43:27,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:43:27,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:43:27,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:43:27,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:43:27" (3/4) ... [2024-11-25 04:43:27,371 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:43:27,410 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-11-25 04:43:27,458 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:43:27,460 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:43:27,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:43:27,463 INFO L158 Benchmark]: Toolchain (without parser) took 1017.11ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 81.1MB in the end (delta: 38.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:43:27,464 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:43:27,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.54ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:43:27,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.60ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 975.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:43:27,465 INFO L158 Benchmark]: Boogie Preprocessor took 22.79ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 780.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:43:27,466 INFO L158 Benchmark]: RCFGBuilder took 263.07ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 95.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:43:27,467 INFO L158 Benchmark]: CodeCheck took 296.39ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 85.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:43:27,467 INFO L158 Benchmark]: Witness Printer took 94.62ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 81.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:43:27,469 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int x = 1; [L24] unsigned int y = 0; [L27] COND TRUE y < (1024) [L28] long long int y__VERIFIER_LA_tmp0; [L29] y__VERIFIER_LA_tmp0 = y [L30] long long int __VERIFIER_LA_iterations0; [L31] __VERIFIER_LA_iterations0 = (1024 - y__VERIFIER_LA_tmp0) / 1L [L32] unsigned int x__VERIFIER_LA_old_tmp0; [L33] x__VERIFIER_LA_old_tmp0 = x [L34] x = (__VERIFIER_LA_iterations0 * 0L) + (x__VERIFIER_LA_old_tmp0 * 0) + 0 [L35] unsigned int y__VERIFIER_LA_old_tmp0; [L36] y__VERIFIER_LA_old_tmp0 = y [L37] y = (__VERIFIER_LA_iterations0 * 1L) + y__VERIFIER_LA_old_tmp0 [L41] CALL __VERIFIER_assert(x == 1) [L16] COND TRUE !(cond) [L17] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.54ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.60ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 975.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.79ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 780.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.07ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 95.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 296.39ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 85.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 94.62ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 81.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:43:27,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129aa853-5ef3-4767-9c04-c1de43df6d21/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