./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/multivar_1-2.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_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b --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 cba7dca6ff66778f2b0713799020489351e0894eee3f1f22efefe84bd1d673ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:05:44,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:05:44,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:05:44,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:05:44,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:05:44,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:05:44,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:05:44,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:05:44,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:05:44,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:05:44,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:05:44,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:05:44,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:05:44,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:05:44,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:05:44,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:05:44,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:05:44,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:05:44,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:05:44,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:05:44,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:05:44,965 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:05:44,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:05:44,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:05:44,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:05:44,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:05:44,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:05:44,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:05:44,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:05:44,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:05:44,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:05:44,966 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:05:44,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:05:44,967 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_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b 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 -> cba7dca6ff66778f2b0713799020489351e0894eee3f1f22efefe84bd1d673ea [2024-12-06 03:05:45,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:05:45,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:05:45,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:05:45,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:05:45,172 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:05:45,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c [2024-12-06 03:05:47,810 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/data/555c71149/8d2667be65a3443782139bfcd415e836/FLAG1147e2b47 [2024-12-06 03:05:47,975 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:05:47,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/sv-benchmarks/c/loop-acceleration/multivar_1-2.c [2024-12-06 03:05:47,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/data/555c71149/8d2667be65a3443782139bfcd415e836/FLAG1147e2b47 [2024-12-06 03:05:48,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/data/555c71149/8d2667be65a3443782139bfcd415e836 [2024-12-06 03:05:48,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:05:48,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:05:48,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:05:48,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:05:48,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:05:48,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41773a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48, skipping insertion in model container [2024-12-06 03:05:48,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:05:48,464 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_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/sv-benchmarks/c/loop-acceleration/multivar_1-2.c[374,387] [2024-12-06 03:05:48,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:05:48,478 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:05:48,485 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_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/sv-benchmarks/c/loop-acceleration/multivar_1-2.c[374,387] [2024-12-06 03:05:48,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:05:48,496 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:05:48,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48 WrapperNode [2024-12-06 03:05:48,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:05:48,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:05:48,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:05:48,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:05:48,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,523 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-06 03:05:48,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:05:48,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:05:48,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:05:48,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:05:48,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:05:48,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:05:48,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:05:48,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:05:48,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:05:48,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:05:48,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:05:48,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:05:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:05:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:05:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:05:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:05:48,632 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:05:48,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:05:48,703 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:05:48,703 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:05:48,726 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:05:48,726 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:05:48,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:48 BoogieIcfgContainer [2024-12-06 03:05:48,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:05:48,728 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:05:48,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:05:48,736 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:05:48,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:48" (1/1) ... [2024-12-06 03:05:48,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:05:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:05:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:05:48,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:05:48,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:48,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:05:48,860 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:05:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:05:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:05:48,903 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:05:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:05:48,917 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:05:48,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:05:48 ImpRootNode [2024-12-06 03:05:48,933 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:05:48,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:05:48,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:05:48,934 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:05:48,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:05:48" (3/4) ... [2024-12-06 03:05:48,935 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:05:48,959 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-12-06 03:05:48,993 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:05:48,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:05:48,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:05:48,995 INFO L158 Benchmark]: Toolchain (without parser) took 633.26ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 79.8MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:05:48,995 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:05:48,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 134.62ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:05:48,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.83ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:05:48,996 INFO L158 Benchmark]: Boogie Preprocessor took 13.80ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.7MB in the end (delta: 680.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:05:48,997 INFO L158 Benchmark]: RCFGBuilder took 188.71ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 94.5MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:05:48,997 INFO L158 Benchmark]: CodeCheck took 205.25ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 83.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:05:48,998 INFO L158 Benchmark]: Witness Printer took 60.67ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 79.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:05:49,000 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, 7 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, 4 NumberOfCodeBlocks, 4 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: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] unsigned int x = __VERIFIER_nondet_uint(); [L15] unsigned int y = x + 1; VAL [x=-4294966272, y=-4294966271] [L17] COND FALSE !(x < 1024) [L22] CALL __VERIFIER_assert(x == y) [L7] COND TRUE !(cond) [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 134.62ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.83ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.80ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.7MB in the end (delta: 680.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 188.71ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 94.5MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 205.25ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 83.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 60.67ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 79.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:05:49,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4a659-7b20-416f-b5cd-5655ccd24dbc/bin/ukojak-verify-CZk0znPC7b/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