./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/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_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b --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 1d01e47d61f5460eefe4585d287e283c2c540ff348367265b7ce8811693dcaeb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:45:57,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:45:57,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:45:57,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:45:57,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:45:57,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:45:57,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:45:57,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:45:57,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:45:57,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:45:57,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:45:57,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:45:57,110 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:45:57,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:45:57,111 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:45:57,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:45:57,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:45:57,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:45:57,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:45:57,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:45:57,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:45:57,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:45:57,111 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_a6e3d994-2af9-436a-8090-c93e8e6a0382/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 ! 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 -> 1d01e47d61f5460eefe4585d287e283c2c540ff348367265b7ce8811693dcaeb [2024-12-06 04:45:57,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:45:57,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:45:57,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:45:57,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:45:57,363 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:45:57,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2024-12-06 04:46:00,080 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/data/a57afe8a8/6de4193d30f04bd2b233d9089087f0ed/FLAG8fcef2d88 [2024-12-06 04:46:00,267 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:46:00,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2024-12-06 04:46:00,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/data/a57afe8a8/6de4193d30f04bd2b233d9089087f0ed/FLAG8fcef2d88 [2024-12-06 04:46:00,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/data/a57afe8a8/6de4193d30f04bd2b233d9089087f0ed [2024-12-06 04:46:00,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:46:00,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:46:00,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:00,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:46:00,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:46:00,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f99644a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00, skipping insertion in model container [2024-12-06 04:46:00,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:46:00,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:46:00,446 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:46:00,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:46:00,469 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:46:00,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00 WrapperNode [2024-12-06 04:46:00,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:46:00,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:46:00,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:46:00,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:46:00,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,492 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-12-06 04:46:00,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:46:00,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:46:00,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:46:00,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:46:00,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:46:00,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:46:00,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:46:00,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:46:00,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:46:00,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:46:00,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:46:00,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:46:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:46:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:46:00,626 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:46:00,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:46:00,690 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 04:46:00,690 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:46:00,712 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:46:00,712 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:46:00,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:00 BoogieIcfgContainer [2024-12-06 04:46:00,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:46:00,713 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:46:00,713 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:46:00,720 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:46:00,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:00" (1/1) ... [2024-12-06 04:46:00,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:46:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 04:46:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 04:46:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:46:00,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:00,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:46:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:46:00,836 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:46:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:46:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:46:00,860 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:46:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:46:00,869 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:46:00,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:46:00 ImpRootNode [2024-12-06 04:46:00,883 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:46:00,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:46:00,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:46:00,884 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:46:00,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:00" (3/4) ... [2024-12-06 04:46:00,885 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:46:00,910 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-12-06 04:46:00,949 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:46:00,949 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:46:00,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:46:00,950 INFO L158 Benchmark]: Toolchain (without parser) took 656.09ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 81.8MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:46:00,950 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:46:00,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.46ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 106.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:46:00,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.07ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.9MB in the end (delta: 875.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:46:00,951 INFO L158 Benchmark]: Boogie Preprocessor took 14.56ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.3MB in the end (delta: 596.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:46:00,952 INFO L158 Benchmark]: RCFGBuilder took 204.25ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 95.1MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:46:00,952 INFO L158 Benchmark]: CodeCheck took 169.59ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 85.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:46:00,952 INFO L158 Benchmark]: Witness Printer took 65.56ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 81.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:46:00,954 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x, y, oldx; [L14] x = __VERIFIER_nondet_int() [L15] y = __VERIFIER_nondet_int() [L16] COND TRUE x >= 0 || y >= 0 [L17] oldx = x VAL [oldx=0, y=-2147483648] [L18] y - 1 VAL [oldx=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.46ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 106.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.07ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.9MB in the end (delta: 875.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.56ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.3MB in the end (delta: 596.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 204.25ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 95.1MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 169.59ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 85.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 65.56ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 81.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:46:00,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6e3d994-2af9-436a-8090-c93e8e6a0382/bin/ukojak-verify-CZk0znPC7b/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)