./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test21-2.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_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/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_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test21-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/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_5b6c377b-1d70-41df-8c47-fce5e748cd96/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 712c5452cee1b4c02208da17c2cf0dc9636485194e157c656e1372fe334269f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:06:00,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:06:00,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:06:00,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:06:00,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:06:00,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:06:00,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:06:00,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:06:00,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:06:00,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:06:00,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:06:00,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:06:00,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:06:00,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:06:00,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:06:00,364 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:06:00,364 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:06:00,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:06:00,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:06:00,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:00,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:06:00,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:06:00,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:06:00,365 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:06:00,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:06:00,365 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_5b6c377b-1d70-41df-8c47-fce5e748cd96/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 -> 712c5452cee1b4c02208da17c2cf0dc9636485194e157c656e1372fe334269f7 [2024-12-06 01:06:00,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:06:00,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:06:00,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:06:00,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:06:00,696 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:06:00,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test21-2.c [2024-12-06 01:06:04,011 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/data/93b637104/41af83ed47014aa4876bc201a0bdfe8e/FLAG1ad3d0fbb [2024-12-06 01:06:04,279 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:06:04,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/sv-benchmarks/c/ldv-regression/test21-2.c [2024-12-06 01:06:04,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/data/93b637104/41af83ed47014aa4876bc201a0bdfe8e/FLAG1ad3d0fbb [2024-12-06 01:06:04,310 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/data/93b637104/41af83ed47014aa4876bc201a0bdfe8e [2024-12-06 01:06:04,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:06:04,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:06:04,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:04,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:06:04,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:06:04,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1283b4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04, skipping insertion in model container [2024-12-06 01:06:04,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:06:04,534 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_5b6c377b-1d70-41df-8c47-fce5e748cd96/sv-benchmarks/c/ldv-regression/test21-2.c[892,905] [2024-12-06 01:06:04,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:04,551 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:06:04,569 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_5b6c377b-1d70-41df-8c47-fce5e748cd96/sv-benchmarks/c/ldv-regression/test21-2.c[892,905] [2024-12-06 01:06:04,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:04,590 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:06:04,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04 WrapperNode [2024-12-06 01:06:04,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:04,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:04,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:06:04,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:06:04,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,627 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-12-06 01:06:04,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:04,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:06:04,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:06:04,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:06:04,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,646 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:06:04,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:06:04,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:06:04,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:06:04,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:04" (1/1) ... [2024-12-06 01:06:04,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:06:04,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:06:04,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:06:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:06:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:06:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:06:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2024-12-06 01:06:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2024-12-06 01:06:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:06:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:06:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:06:04,798 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:06:04,799 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:06:04,949 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-12-06 01:06:04,949 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:06:05,001 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:06:05,001 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:06:05,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:05 BoogieIcfgContainer [2024-12-06 01:06:05,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:06:05,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:06:05,003 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:06:05,013 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:06:05,013 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:05" (1/1) ... [2024-12-06 01:06:05,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:06:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 01:06:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 01:06:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:06:05,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:05,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:05,209 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:06:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:05,346 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:06:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:05,390 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:06:05,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:06:05 ImpRootNode [2024-12-06 01:06:05,421 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:06:05,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:06:05,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:06:05,422 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:06:05,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:05" (3/4) ... [2024-12-06 01:06:05,424 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:06:05,465 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-12-06 01:06:05,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:06:05,526 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:06:05,526 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:06:05,528 INFO L158 Benchmark]: Toolchain (without parser) took 1212.35ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 67.6MB in the end (delta: 50.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,528 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:05,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.02ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.90ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:05,529 INFO L158 Benchmark]: Boogie Preprocessor took 25.34ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 822.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:05,530 INFO L158 Benchmark]: RCFGBuilder took 347.79ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 90.4MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,530 INFO L158 Benchmark]: CodeCheck took 417.93ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 72.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,531 INFO L158 Benchmark]: Witness Printer took 104.78ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 67.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:06:05,533 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 12 NumberOfCodeBlocks, 12 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: 44]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L11] struct dummy d1, d2; [L34] CALL init() [L15] d1.a = __VERIFIER_nondet_int() [L16] d1.b = __VERIFIER_nondet_int() [L18] d2.a = __VERIFIER_nondet_int() [L19] d2.b = __VERIFIER_nondet_int() [L34] RET init() [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={4:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L36] COND TRUE pd1 != 0 && pd1 == pd2 [L37] CALL, EXPR check(pd1, pd2) [L29] EXPR s1->a [L29] EXPR s2->b [L29] return s1->a == s2->b; [L37] RET, EXPR check(pd1, pd2) [L37] COND TRUE !check(pd1, pd2) [L44] reach_error() VAL [d1={4:0}, d2={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.02ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.90ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.34ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 822.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.79ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 90.4MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 417.93ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 72.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 104.78ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 67.6MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:06:05,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6c377b-1d70-41df-8c47-fce5e748cd96/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