./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test22-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm --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 d801f0525ca26a676000831cf03fb7a7e79d5c4d235bd41da197ed6559b3bbff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:21,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:21,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:17:21,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:21,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:21,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:21,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:21,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:21,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:21,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:21,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:21,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:21,501 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:21,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:21,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:21,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:21,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:21,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:21,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:21,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:21,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:21,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:21,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:21,503 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_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm 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 -> d801f0525ca26a676000831cf03fb7a7e79d5c4d235bd41da197ed6559b3bbff [2024-11-13 20:17:21,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:21,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:21,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:21,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:21,932 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:21,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-regression/test22-3.c Unable to find full path for "g++" [2024-11-13 20:17:23,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:24,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:24,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/sv-benchmarks/c/ldv-regression/test22-3.c [2024-11-13 20:17:24,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/data/9a686b45a/4e24dd14f4ec4d87bdc3717987d8d957/FLAGe91295a24 [2024-11-13 20:17:24,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/data/9a686b45a/4e24dd14f4ec4d87bdc3717987d8d957 [2024-11-13 20:17:24,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:24,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:24,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:24,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:24,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:24,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec7f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24, skipping insertion in model container [2024-11-13 20:17:24,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:24,809 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_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/sv-benchmarks/c/ldv-regression/test22-3.c[1204,1217] [2024-11-13 20:17:24,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:24,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:24,848 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_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/sv-benchmarks/c/ldv-regression/test22-3.c[1204,1217] [2024-11-13 20:17:24,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:24,867 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:24,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24 WrapperNode [2024-11-13 20:17:24,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:24,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:24,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:24,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:24,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,910 INFO L138 Inliner]: procedures = 17, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-11-13 20:17:24,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:24,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:24,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:24,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:24,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:24,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:24,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:24,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:24,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:24,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:24,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:24,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:25,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:25,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:17:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:17:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:17:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2024-11-13 20:17:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2024-11-13 20:17:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:17:25,092 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:25,094 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:25,296 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:25,296 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:25,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:25,345 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:17:25,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:25 BoogieIcfgContainer [2024-11-13 20:17:25,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:25,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:25,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:25,360 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:25,360 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:25,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:25,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 20:17:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 20:17:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:17:25,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 20:17:25,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-13 20:17:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-13 20:17:25,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:17:25,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:25,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:25,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:26,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:26,124 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:17:26,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:26 ImpRootNode [2024-11-13 20:17:26,179 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:26,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:26,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:26,181 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:26,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:25" (3/4) ... [2024-11-13 20:17:26,183 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:17:26,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:17:26,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:26,245 INFO L158 Benchmark]: Toolchain (without parser) took 1662.22ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.2MB in the end (delta: 12.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:26,245 INFO L158 Benchmark]: CDTParser took 1.78ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:26,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.13ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:26,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.58ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:26,246 INFO L158 Benchmark]: Boogie Preprocessor took 37.83ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:26,246 INFO L158 Benchmark]: RCFGBuilder took 395.88ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 63.5MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:26,246 INFO L158 Benchmark]: CodeCheck took 833.24ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 83.2MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:26,247 INFO L158 Benchmark]: Witness Printer took 61.80ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 80.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:26,251 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 3 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 135 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 8/8 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 - CounterExampleResult [Line: 56]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L15] struct dummy d1, d2; [L40] CALL init() [L19] d1.a = __VERIFIER_nondet_int() [L20] d1.b = __VERIFIER_nondet_int() [L21] EXPR d1.a VAL [d1={4:0}, d2={5:0}] [L21] CALL assume_abort_if_not(d1.a >= -2147483638) VAL [\old(cond)=1, d1={4:0}, d2={5:0}] [L8] COND FALSE !(!cond) [L21] RET assume_abort_if_not(d1.a >= -2147483638) VAL [d1={4:0}, d2={5:0}] [L23] d2.a = __VERIFIER_nondet_int() [L24] d2.b = __VERIFIER_nondet_int() [L25] EXPR d2.a VAL [d1={4:0}, d2={5:0}] [L25] CALL assume_abort_if_not(d2.a >= -2147483638) VAL [\old(cond)=1, d1={4:0}, d2={5:0}] [L8] COND FALSE !(!cond) [L25] RET assume_abort_if_not(d2.a >= -2147483638) VAL [d1={4:0}, d2={5:0}] [L40] RET init() [L41] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L30] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L41] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L41] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L41] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L30] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L41] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={4:0}] [L41] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L41] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L30] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L41] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={4:0}, pd2={4:0}] [L41] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L42] int i = __VERIFIER_nondet_int(); [L43] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L43] EXPR (*pd2).a [L43] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 VAL [d1={4:0}, d2={5:0}, pd1={4:0}, pd2={4:0}, pd3={5:0}] [L43] COND TRUE pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L44] int *pa = &pd1->a; [L45] EXPR pd3->a [L45] i = pd3->a - 10 [L46] EXPR \read(*pa) VAL [d1={4:0}, d2={5:0}, i=20824, pa={4:0}, pd2={4:0}] [L46] COND FALSE !(i < *pa) [L49] CALL, EXPR check(pd2, i) [L35] EXPR s1->a [L35] return s1->a == i; [L49] RET, EXPR check(pd2, i) [L49] COND TRUE !check(pd2, i) [L56] reach_error() VAL [d1={4:0}, d2={5:0}, pa={4:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.78ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.13ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.58ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.83ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.88ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 63.5MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 833.24ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 83.2MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.80ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 80.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:17:26,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee59e4-53c0-4f90-96c7-e50afdb4a6e0/bin/ukojak-verify-EEHR8qb7sm/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