./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test29-1.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_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/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_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test29-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/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_0cf20da7-1758-49ad-b387-a32c390d5794/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 787d3b2fa11dec769df3d46659aa468e143e27411fdb13355e30ec6b3ce36b2e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:30:01,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:30:02,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:30:02,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:30:02,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:30:02,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:30:02,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:30:02,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:30:02,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:30:02,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:30:02,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:30:02,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:30:02,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:30:02,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:30:02,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:30:02,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:30:02,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:30:02,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:30:02,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:30:02,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:30:02,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:30:02,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:30:02,065 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:30:02,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:30:02,065 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_0cf20da7-1758-49ad-b387-a32c390d5794/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 -> 787d3b2fa11dec769df3d46659aa468e143e27411fdb13355e30ec6b3ce36b2e [2024-12-05 22:30:02,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:30:02,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:30:02,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:30:02,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:30:02,297 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:30:02,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test29-1.c [2024-12-05 22:30:04,929 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/data/ead3632dd/5d402cefff16415993ad6763867c82de/FLAGb81c48100 [2024-12-05 22:30:05,084 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:30:05,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/sv-benchmarks/c/ldv-regression/test29-1.c [2024-12-05 22:30:05,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/data/ead3632dd/5d402cefff16415993ad6763867c82de/FLAGb81c48100 [2024-12-05 22:30:05,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/data/ead3632dd/5d402cefff16415993ad6763867c82de [2024-12-05 22:30:05,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:30:05,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:30:05,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:30:05,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:30:05,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:30:05,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfc1889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05, skipping insertion in model container [2024-12-05 22:30:05,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:30:05,228 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_0cf20da7-1758-49ad-b387-a32c390d5794/sv-benchmarks/c/ldv-regression/test29-1.c[614,627] [2024-12-05 22:30:05,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:30:05,238 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:30:05,249 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_0cf20da7-1758-49ad-b387-a32c390d5794/sv-benchmarks/c/ldv-regression/test29-1.c[614,627] [2024-12-05 22:30:05,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:30:05,259 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:30:05,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05 WrapperNode [2024-12-05 22:30:05,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:30:05,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:30:05,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:30:05,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:30:05,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,282 INFO L138 Inliner]: procedures = 13, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-05 22:30:05,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:30:05,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:30:05,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:30:05,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:30:05,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,294 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:30:05,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:30:05,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:30:05,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:30:05,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:30:05,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:30:05,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:30:05,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:30:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:30:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:30:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:30:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:30:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:30:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:30:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:30:05,398 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:30:05,400 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:30:05,496 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 22:30:05,496 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:30:05,564 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:30:05,564 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:30:05,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:30:05 BoogieIcfgContainer [2024-12-05 22:30:05,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:30:05,565 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:30:05,565 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:30:05,574 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:30:05,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:30:05" (1/1) ... [2024-12-05 22:30:05,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:30:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 22:30:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 22:30:05,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:30:05,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:05,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:30:05,730 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:30:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:30:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:30:05,797 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:30:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:30:05,815 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:30:05,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:30:05 ImpRootNode [2024-12-05 22:30:05,831 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:30:05,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:30:05,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:30:05,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:30:05,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:30:05" (3/4) ... [2024-12-05 22:30:05,834 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:30:05,861 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-05 22:30:05,890 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:30:05,891 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:30:05,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:30:05,891 INFO L158 Benchmark]: Toolchain (without parser) took 785.43ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 48.5MB in the end (delta: 44.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 22:30:05,892 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:30:05,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.56ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:30:05,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.83ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:30:05,893 INFO L158 Benchmark]: Boogie Preprocessor took 16.01ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 749.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:30:05,893 INFO L158 Benchmark]: RCFGBuilder took 264.66ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 65.7MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:30:05,893 INFO L158 Benchmark]: CodeCheck took 266.27ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 52.6MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:30:05,894 INFO L158 Benchmark]: Witness Printer took 58.77ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 48.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:30:05,896 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: 30]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L15] union dummy d1, d2; [L16] int n = __VERIFIER_nondet_int(); [L17] union dummy *pd = n ? &d1 : &d2; [L18] d1.a = __VERIFIER_nondet_int() [L19] COND FALSE !(pd == &d1) [L22] pd->b = 0 [L24] pd == &d2 && d1.a != 0 [L24] EXPR d1.a [L24] pd == &d2 && d1.a != 0 [L24] COND TRUE pd == &d2 && d1.a != 0 [L30] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.56ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.83ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.01ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 749.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 264.66ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 65.7MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 266.27ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 52.6MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 58.77ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 48.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:30:05,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf20da7-1758-49ad-b387-a32c390d5794/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