./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_nondet.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/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_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_nondet.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7291a806fc1bc00c479528361766aa99fd25186e73036697f4b6a2299ee60d16 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:41:09,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:41:09,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:41:09,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:41:09,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:41:09,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:41:09,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:41:09,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:41:09,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:41:09,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:41:09,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:41:09,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:41:09,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:41:09,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:41:09,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:41:09,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:41:09,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:41:09,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:41:09,636 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:41:09,636 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:41:09,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:41:09,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:41:09,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:41:09,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:41:09,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:41:09,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:41:09,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:09,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:41:09,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:41:09,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:41:09,637 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:41:09,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:41:09,637 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_eea79d1a-e53a-409d-9090-2fe1343455d8/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7291a806fc1bc00c479528361766aa99fd25186e73036697f4b6a2299ee60d16 [2024-11-13 16:41:09,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:41:09,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:41:09,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:41:10,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:41:10,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:41:10,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted/Cairo_nondet.c Unable to find full path for "g++" [2024-11-13 16:41:11,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:41:12,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:41:12,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/sv-benchmarks/c/termination-crafted/Cairo_nondet.c [2024-11-13 16:41:12,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/data/5bac5d433/416beef930514f13a34796d38a0f7599/FLAGaf9917137 [2024-11-13 16:41:12,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/data/5bac5d433/416beef930514f13a34796d38a0f7599 [2024-11-13 16:41:12,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:41:12,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:41:12,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:12,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:41:12,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:41:12,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e63c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12, skipping insertion in model container [2024-11-13 16:41:12,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:41:12,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:12,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:41:12,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:12,715 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:41:12,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12 WrapperNode [2024-11-13 16:41:12,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:12,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:12,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:41:12,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:41:12,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,741 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-13 16:41:12,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:12,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:41:12,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:41:12,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:41:12,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:41:12,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:41:12,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:41:12,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:41:12,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:12" (1/1) ... [2024-11-13 16:41:12,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:12,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:41:12,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:41:12,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:41:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:41:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:41:12,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:41:12,900 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:41:12,979 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 16:41:12,979 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:41:13,009 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:41:13,009 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:41:13,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:13 BoogieIcfgContainer [2024-11-13 16:41:13,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:41:13,014 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:41:13,014 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:41:13,027 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:41:13,027 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:13" (1/1) ... [2024-11-13 16:41:13,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:41:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-13 16:41:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-13 16:41:13,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:41:13,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:13,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:41:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:41:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-13 16:41:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-13 16:41:13,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:41:13,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:13,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:41:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:41:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-13 16:41:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-13 16:41:13,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:41:13,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:13,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:41:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:13,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:41:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:13,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:41:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:13,700 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 16:41:13,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:41:13 ImpRootNode [2024-11-13 16:41:13,720 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:41:13,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:41:13,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:41:13,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:41:13,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:13" (3/4) ... [2024-11-13 16:41:13,723 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:41:13,757 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:41:13,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:41:13,759 INFO L158 Benchmark]: Toolchain (without parser) took 1251.77ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 47.9MB in the end (delta: 45.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:41:13,759 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:13,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.24ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 83.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:41:13,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.99ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.3MB in the end (delta: 837.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:13,760 INFO L158 Benchmark]: Boogie Preprocessor took 15.28ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 514.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:13,761 INFO L158 Benchmark]: RCFGBuilder took 255.08ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 72.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:41:13,761 INFO L158 Benchmark]: CodeCheck took 705.98ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 49.7MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:41:13,762 INFO L158 Benchmark]: Witness Printer took 36.97ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 47.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:13,764 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 0 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x; [L14] x = __VERIFIER_nondet_int() [L15] COND TRUE x > __VERIFIER_nondet_int() [L16] COND TRUE x != 0 VAL [x=-2147483647] [L17] EXPR x - 1 [L17] x = x - 1 VAL [x=-2147483648] [L16] COND TRUE x != 0 VAL [x=-2147483648] [L17] x - 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.24ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 83.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.99ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.3MB in the end (delta: 837.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.28ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.6MB in the end (delta: 514.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.08ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 72.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 705.98ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 49.7MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 36.97ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 47.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:41:13,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea79d1a-e53a-409d-9090-2fe1343455d8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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(OVERFLOW)