./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_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 03:06:06,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:06:06,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:06:06,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:06:06,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:06:06,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:06:06,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:06:06,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:06:06,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:06:06,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:06:06,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:06:06,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:06:06,176 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:06:06,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:06:06,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:06:06,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:06:06,178 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:06:06,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:06:06,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:06,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:06:06,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:06:06,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:06:06,179 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:06:06,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:06:06,179 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_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 03:06:06,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:06:06,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:06:06,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:06:06,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:06:06,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:06:06,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-regression/test06.c [2024-11-25 03:06:09,475 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/data/00ad0e8aa/74ec0de5af424ed2b1ec2c4adbfe4103/FLAGd6f519cd5 [2024-11-25 03:06:09,754 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:06:09,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/sv-benchmarks/c/ldv-regression/test06.c [2024-11-25 03:06:09,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/data/00ad0e8aa/74ec0de5af424ed2b1ec2c4adbfe4103/FLAGd6f519cd5 [2024-11-25 03:06:09,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/data/00ad0e8aa/74ec0de5af424ed2b1ec2c4adbfe4103 [2024-11-25 03:06:09,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:06:09,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:06:09,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:09,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:06:09,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:06:09,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:09" (1/1) ... [2024-11-25 03:06:09,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bee056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:09, skipping insertion in model container [2024-11-25 03:06:09,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:09" (1/1) ... [2024-11-25 03:06:09,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:06:10,016 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_553752f6-4327-4f73-be69-1f569a045cb5/sv-benchmarks/c/ldv-regression/test06.c[670,683] [2024-11-25 03:06:10,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:10,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:06:10,051 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_553752f6-4327-4f73-be69-1f569a045cb5/sv-benchmarks/c/ldv-regression/test06.c[670,683] [2024-11-25 03:06:10,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:10,068 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:06:10,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10 WrapperNode [2024-11-25 03:06:10,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:10,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:10,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:06:10,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:06:10,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,105 INFO L138 Inliner]: procedures = 16, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-11-25 03:06:10,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:10,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:06:10,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:06:10,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:06:10,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:06:10,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:06:10,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:06:10,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:06:10,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:10,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:06:10,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:06:10,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:06:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 03:06:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:06:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:06:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:06:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 03:06:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:06:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:06:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:06:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:06:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:06:10,294 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:06:10,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:06:10,507 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-25 03:06:10,507 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:06:10,623 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:06:10,623 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:06:10,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:10 BoogieIcfgContainer [2024-11-25 03:06:10,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:06:10,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:06:10,625 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:06:10,641 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:06:10,641 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:06:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 03:06:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 03:06:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:06:10,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:11,144 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:06:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:11,723 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:06:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:06:11,802 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:06:11,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:06:11 ImpRootNode [2024-11-25 03:06:11,830 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:06:11,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:06:11,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:06:11,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:06:11,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:10" (3/4) ... [2024-11-25 03:06:11,834 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:06:11,880 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:06:11,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:06:11,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:06:11,932 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:06:11,936 INFO L158 Benchmark]: Toolchain (without parser) took 2142.58ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 61.9MB in the end (delta: 32.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-25 03:06:11,937 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:11,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.14ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 83.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:06:11,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.50ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:11,938 INFO L158 Benchmark]: Boogie Preprocessor took 27.41ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.4MB in the end (delta: 699.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:11,938 INFO L158 Benchmark]: RCFGBuilder took 490.38ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 61.4MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:06:11,939 INFO L158 Benchmark]: CodeCheck took 1205.02ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 66.1MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:11,940 INFO L158 Benchmark]: Witness Printer took 100.99ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 61.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:06:11,942 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: 1.1s, 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, 0.4s 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 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.14ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 83.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.50ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.41ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.4MB in the end (delta: 699.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 490.38ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 61.4MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1205.02ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 66.1MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.99ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 61.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:06:11,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553752f6-4327-4f73-be69-1f569a045cb5/bin/ukojak-verify-ENZ3QT5qd3/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