./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test28-1.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_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/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_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test28-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/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_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/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 d382873608f47f58e61612d5190ceb3fce961896aaa2cb7a799c0e7d7be98b0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:33:58,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:33:58,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:33:58,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:33:58,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:33:58,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:33:58,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:33:58,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:33:58,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:33:58,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:33:58,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:33:58,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:33:58,202 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:33:58,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:33:58,202 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:33:58,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:33:58,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:33:58,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:33:58,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:33:58,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:33:58,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:33:58,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:33:58,202 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:33:58,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:33:58,203 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_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/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 -> d382873608f47f58e61612d5190ceb3fce961896aaa2cb7a799c0e7d7be98b0e [2024-12-05 23:33:58,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:33:58,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:33:58,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:33:58,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:33:58,438 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:33:58,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test28-1.c [2024-12-05 23:34:01,074 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/data/737f6b3db/37da6dd6728942b7ae2e8e0df7532df5/FLAGebed4e702 [2024-12-05 23:34:01,268 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:34:01,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/sv-benchmarks/c/ldv-regression/test28-1.c [2024-12-05 23:34:01,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/data/737f6b3db/37da6dd6728942b7ae2e8e0df7532df5/FLAGebed4e702 [2024-12-05 23:34:01,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/data/737f6b3db/37da6dd6728942b7ae2e8e0df7532df5 [2024-12-05 23:34:01,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:34:01,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:34:01,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:01,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:34:01,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:34:01,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afb935c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01, skipping insertion in model container [2024-12-05 23:34:01,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:34:01,450 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_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/sv-benchmarks/c/ldv-regression/test28-1.c[613,626] [2024-12-05 23:34:01,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:01,463 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:34:01,475 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_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/sv-benchmarks/c/ldv-regression/test28-1.c[613,626] [2024-12-05 23:34:01,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:01,489 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:34:01,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01 WrapperNode [2024-12-05 23:34:01,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:01,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:01,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:34:01,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:34:01,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,517 INFO L138 Inliner]: procedures = 13, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-05 23:34:01,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:01,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:34:01,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:34:01,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:34:01,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,530 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:34:01,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:34:01,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:34:01,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:34:01,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:01,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:34:01,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:34:01,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:34:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:34:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:34:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:34:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:34:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:34:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:34:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:34:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:34:01,655 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:34:01,657 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:34:01,758 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 23:34:01,758 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:34:01,819 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:34:01,819 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:34:01,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:01 BoogieIcfgContainer [2024-12-05 23:34:01,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:34:01,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:34:01,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:34:01,830 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:34:01,830 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:01" (1/1) ... [2024-12-05 23:34:01,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:34:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 23:34:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 23:34:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:34:01,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:01,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:01,970 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:34:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:02,032 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:34:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:02,050 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:34:02,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:34:02 ImpRootNode [2024-12-05 23:34:02,067 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:34:02,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:34:02,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:34:02,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:34:02,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:01" (3/4) ... [2024-12-05 23:34:02,070 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:34:02,101 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-05 23:34:02,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:34:02,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:34:02,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:34:02,142 INFO L158 Benchmark]: Toolchain (without parser) took 846.88ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 72.8MB in the end (delta: 44.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 23:34:02,142 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:02,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.07ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:34:02,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.21ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:02,143 INFO L158 Benchmark]: Boogie Preprocessor took 18.40ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 798.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:02,143 INFO L158 Benchmark]: RCFGBuilder took 282.29ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 90.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:34:02,143 INFO L158 Benchmark]: CodeCheck took 247.23ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 76.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:34:02,144 INFO L158 Benchmark]: Witness Printer took 72.63ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 72.8MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:02,146 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: 29]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] struct dummy d1, d2; [L15] int n = __VERIFIER_nondet_int(); [L16] struct dummy *pd = n ? &d1 : &d2; [L17] COND TRUE pd == &d2 [L18] pd->a = 0 [L19] pd->b = __VERIFIER_nondet_int() [L23] pd == &d2 && d2.b != 0 [L23] EXPR d2.b [L23] pd == &d2 && d2.b != 0 [L23] COND TRUE pd == &d2 && d2.b != 0 [L29] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.07ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.21ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.40ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 798.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 282.29ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 90.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 247.23ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 76.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 72.63ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 72.8MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:34:02,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce899573-eebf-41d2-ae4b-fa92c44f5ab6/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