./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test06.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_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/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_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/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_59307368-e5a3-4a7c-ba45-d34513974840/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 7e4b751f1cff14576af7e2c8fb6f6f5af2d2fb8f159c6730e8a5d44ae1632f58 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:48:22,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:48:22,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:48:22,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:48:22,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:48:22,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:48:22,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:48:22,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:48:22,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:48:22,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:48:22,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:48:22,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:48:22,157 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:48:22,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:48:22,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:48:22,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:48:22,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:48:22,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:48:22,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:22,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:48:22,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:48:22,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:48:22,159 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:48:22,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:48:22,160 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_59307368-e5a3-4a7c-ba45-d34513974840/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 -> 7e4b751f1cff14576af7e2c8fb6f6f5af2d2fb8f159c6730e8a5d44ae1632f58 [2024-12-06 03:48:22,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:48:22,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:48:22,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:48:22,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:48:22,375 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:48:22,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test06.c [2024-12-06 03:48:25,031 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/data/cc15fc147/d449e25ceacd4f2299bee34759b99ffa/FLAG36476d124 [2024-12-06 03:48:25,211 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:48:25,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/sv-benchmarks/c/ldv-regression/test06.c [2024-12-06 03:48:25,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/data/cc15fc147/d449e25ceacd4f2299bee34759b99ffa/FLAG36476d124 [2024-12-06 03:48:25,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/data/cc15fc147/d449e25ceacd4f2299bee34759b99ffa [2024-12-06 03:48:25,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:48:25,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:48:25,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:25,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:48:25,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:48:25,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efe1bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25, skipping insertion in model container [2024-12-06 03:48:25,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:48:25,719 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_59307368-e5a3-4a7c-ba45-d34513974840/sv-benchmarks/c/ldv-regression/test06.c[670,683] [2024-12-06 03:48:25,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:48:25,731 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:48:25,745 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_59307368-e5a3-4a7c-ba45-d34513974840/sv-benchmarks/c/ldv-regression/test06.c[670,683] [2024-12-06 03:48:25,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:48:25,759 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:48:25,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25 WrapperNode [2024-12-06 03:48:25,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:25,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:48:25,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:48:25,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:48:25,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,789 INFO L138 Inliner]: procedures = 16, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-12-06 03:48:25,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:48:25,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:48:25,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:48:25,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:48:25,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:48:25,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:48:25,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:48:25,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:48:25,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:25" (1/1) ... [2024-12-06 03:48:25,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:25,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:48:25,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:48:25,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:48:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:48:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:48:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:48:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:48:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 03:48:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:48:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:48:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:48:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:48:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:48:25,938 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:48:25,940 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:48:26,071 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 03:48:26,072 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:48:26,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:48:26,149 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:48:26,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:26 BoogieIcfgContainer [2024-12-06 03:48:26,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:48:26,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:48:26,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:48:26,160 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:48:26,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:26" (1/1) ... [2024-12-06 03:48:26,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:48:26,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 03:48:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 03:48:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:48:26,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:26,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:48:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:26,411 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:48:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:26,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:48:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:26,889 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:48:26,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:48:26 ImpRootNode [2024-12-06 03:48:26,905 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:48:26,906 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:48:26,906 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:48:26,906 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:48:26,907 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:26" (3/4) ... [2024-12-06 03:48:26,907 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:48:26,934 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 03:48:26,966 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:48:26,966 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:48:26,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:48:26,967 INFO L158 Benchmark]: Toolchain (without parser) took 1387.27ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 91.1MB in the end (delta: 26.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-12-06 03:48:26,968 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:26,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.38ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:48:26,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.25ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:26,968 INFO L158 Benchmark]: Boogie Preprocessor took 20.13ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.9MB in the end (delta: 780.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:48:26,969 INFO L158 Benchmark]: RCFGBuilder took 338.40ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 84.0MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:48:26,969 INFO L158 Benchmark]: CodeCheck took 755.33ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 95.7MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:26,969 INFO L158 Benchmark]: Witness Printer took 60.64ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 91.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:26,971 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: 0.7s, 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, 0.3s 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: 42]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int a, b; [L24] int *p1, *p2; [L26] p1 = &a [L27] p2 = &b [L29] b = 1 [L30] a = 5 [L32] EXPR \read(a) [L32] a-- [L34] EXPR \read(a) [L34] CALL, EXPR f(a, &p1, &p2) [L14] COND TRUE a == 4 [L15] CALL g(p1, p2) [L7] EXPR \read(**p2) [L7] int *pq = *p2; [L9] EXPR \read(**p2) [L9] *p1 = *p2 [L10] *pq = 0 [L15] RET g(p1, p2) [L16] return 1; [L34] RET, EXPR f(a, &p1, &p2) [L34] a = f(a, &p1, &p2) [L36] EXPR \read(*p1) [L36] COND TRUE *p1 == 0 [L42] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.38ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.25ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.13ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.9MB in the end (delta: 780.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 338.40ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 84.0MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 755.33ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 95.7MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.64ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 91.1MB 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 03:48:26,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59307368-e5a3-4a7c-ba45-d34513974840/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