./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_4-2_abstracted.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_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/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_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_4-2_abstracted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78a5505a393cb03f05ca60f6d43cea80afc2a490d92708ee0def83022d38f737 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:23:37,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:23:37,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:23:37,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:23:37,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:23:37,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:23:37,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:23:37,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:23:37,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:23:37,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:23:37,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:23:37,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:23:37,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:23:37,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:23:37,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:23:37,699 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:23:37,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:23:37,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:37,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:23:37,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:23:37,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:23:37,699 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:23:37,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:23:37,699 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_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78a5505a393cb03f05ca60f6d43cea80afc2a490d92708ee0def83022d38f737 [2024-12-06 01:23:37,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:23:37,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:23:37,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:23:37,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:23:37,971 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:23:37,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-acceleration/simple_4-2_abstracted.c [2024-12-06 01:23:40,650 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/data/653afd9de/43ccdce8c92a4f0292172ea5f3145f5b/FLAG511ac2292 [2024-12-06 01:23:40,838 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:23:40,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/sv-benchmarks/c/loop-acceleration/simple_4-2_abstracted.c [2024-12-06 01:23:40,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/data/653afd9de/43ccdce8c92a4f0292172ea5f3145f5b/FLAG511ac2292 [2024-12-06 01:23:40,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/data/653afd9de/43ccdce8c92a4f0292172ea5f3145f5b [2024-12-06 01:23:40,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:23:40,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:23:40,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:40,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:23:40,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:23:40,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:40" (1/1) ... [2024-12-06 01:23:40,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1eb4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:40, skipping insertion in model container [2024-12-06 01:23:40,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:23:40" (1/1) ... [2024-12-06 01:23:40,877 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:23:40,989 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_b69b1525-7d4a-4f93-8349-d6ec860e31c3/sv-benchmarks/c/loop-acceleration/simple_4-2_abstracted.c[740,753] [2024-12-06 01:23:40,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:23:41,005 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:23:41,014 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_b69b1525-7d4a-4f93-8349-d6ec860e31c3/sv-benchmarks/c/loop-acceleration/simple_4-2_abstracted.c[740,753] [2024-12-06 01:23:41,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:23:41,027 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:23:41,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41 WrapperNode [2024-12-06 01:23:41,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:23:41,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:23:41,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:23:41,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:23:41,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,050 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2024-12-06 01:23:41,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:23:41,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:23:41,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:23:41,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:23:41,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:23:41,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:23:41,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:23:41,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:23:41,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:23:41,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:23:41,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:23:41,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:23:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:23:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:23:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:23:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:23:41,162 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:23:41,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:23:41,238 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 01:23:41,238 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:23:41,280 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:23:41,280 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:23:41,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:41 BoogieIcfgContainer [2024-12-06 01:23:41,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:23:41,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:23:41,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:23:41,291 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:23:41,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:41" (1/1) ... [2024-12-06 01:23:41,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:23:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 01:23:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 01:23:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:23:41,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:41,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:23:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:23:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 1 states and 0 transitions. [2024-12-06 01:23:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1 states and 0 transitions. [2024-12-06 01:23:41,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:23:41,460 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 01:23:41,469 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:23:41,479 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 01:23:41,479 INFO L75 FloydHoareUtils]: For program point L17(line 17) no Hoare annotation was computed. [2024-12-06 01:23:41,480 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:23:41,480 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2024-12-06 01:23:41,480 INFO L75 FloydHoareUtils]: For program point L16(lines 16 18) no Hoare annotation was computed. [2024-12-06 01:23:41,480 INFO L75 FloydHoareUtils]: For program point L16-2(lines 15 20) no Hoare annotation was computed. [2024-12-06 01:23:41,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:23:41 ImpRootNode [2024-12-06 01:23:41,484 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:23:41,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:23:41,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:23:41,485 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:23:41,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:23:41" (3/4) ... [2024-12-06 01:23:41,488 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:23:41,494 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 01:23:41,494 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 01:23:41,494 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:23:41,494 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:23:41,564 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:23:41,564 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:23:41,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:23:41,565 INFO L158 Benchmark]: Toolchain (without parser) took 704.57ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 79.2MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:23:41,565 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:41,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.32ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 106.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:23:41,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.95ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 105.0MB in the end (delta: 842.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:41,566 INFO L158 Benchmark]: Boogie Preprocessor took 13.32ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.1MB in the end (delta: 546.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:41,567 INFO L158 Benchmark]: RCFGBuilder took 215.70ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 92.9MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:23:41,567 INFO L158 Benchmark]: CodeCheck took 202.66ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 83.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:23:41,567 INFO L158 Benchmark]: Witness Printer took 79.58ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 79.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:23:41,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 15 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, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.32ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 106.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.95ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 105.0MB in the end (delta: 842.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.32ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 104.1MB in the end (delta: 546.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 215.70ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 92.9MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 202.66ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 83.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 79.58ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 79.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:23:41,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69b1525-7d4a-4f93-8349-d6ec860e31c3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE