./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_2-1_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_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34e19e65adf4a23bba9764eb43ac93a7b7093535b62c86432228778ce05d2a5b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:33:30,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:33:30,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:33:30,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:33:30,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:33:30,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:33:30,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:33:30,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:33:30,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:33:30,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:33:30,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:33:30,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:33:30,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:33:30,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:33:30,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:33:30,195 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:33:30,196 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:33:30,196 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:33:30,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:33:30,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:33:30,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:33:30,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:33:30,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:33:30,198 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:33:30,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:33:30,198 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_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34e19e65adf4a23bba9764eb43ac93a7b7093535b62c86432228778ce05d2a5b [2024-11-25 04:33:30,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:33:30,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:33:30,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:33:30,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:33:30,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:33:30,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c [2024-11-25 04:33:33,656 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/data/9c20ff185/eeff43eb2bfd46358a59af4f525d698c/FLAG58e3ecc98 [2024-11-25 04:33:34,006 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:33:34,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c [2024-11-25 04:33:34,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/data/9c20ff185/eeff43eb2bfd46358a59af4f525d698c/FLAG58e3ecc98 [2024-11-25 04:33:34,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/data/9c20ff185/eeff43eb2bfd46358a59af4f525d698c [2024-11-25 04:33:34,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:33:34,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:33:34,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:33:34,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:33:34,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:33:34,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c87bb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34, skipping insertion in model container [2024-11-25 04:33:34,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:33:34,266 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_5c9f851d-fd02-4c95-aa04-893c04858937/sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c[790,803] [2024-11-25 04:33:34,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:33:34,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:33:34,304 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_5c9f851d-fd02-4c95-aa04-893c04858937/sv-benchmarks/c/loop-acceleration/simple_2-1_abstracted.c[790,803] [2024-11-25 04:33:34,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:33:34,325 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:33:34,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34 WrapperNode [2024-11-25 04:33:34,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:33:34,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:33:34,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:33:34,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:33:34,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,357 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-25 04:33:34,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:33:34,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:33:34,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:33:34,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:33:34,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:33:34,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:33:34,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:33:34,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:33:34,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:33:34,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:33:34,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:33:34,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:33:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:33:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:33:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:33:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:33:34,524 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:33:34,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:33:34,643 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:33:34,643 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:33:34,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:33:34,734 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:33:34,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:34 BoogieIcfgContainer [2024-11-25 04:33:34,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:33:34,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:33:34,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:33:34,748 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:33:34,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:34" (1/1) ... [2024-11-25 04:33:34,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:33:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 04:33:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 04:33:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:33:34,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:34,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:33:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:33:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:33:35,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:33:35,147 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 04:33:35,157 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:33:35,173 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:33:35,173 INFO L77 FloydHoareUtils]: At program point L17(lines 17 19) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-25 04:33:35,173 INFO L77 FloydHoareUtils]: At program point L17-2(lines 16 21) the Hoare annotation is: true [2024-11-25 04:33:35,173 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:33:35,175 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2024-11-25 04:33:35,175 INFO L75 FloydHoareUtils]: For program point L18(line 18) no Hoare annotation was computed. [2024-11-25 04:33:35,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:33:35 ImpRootNode [2024-11-25 04:33:35,184 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:33:35,185 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:33:35,185 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:33:35,185 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:33:35,186 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:33:34" (3/4) ... [2024-11-25 04:33:35,188 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:33:35,195 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 04:33:35,195 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 04:33:35,195 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:33:35,195 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:33:35,270 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:33:35,270 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:33:35,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:33:35,272 INFO L158 Benchmark]: Toolchain (without parser) took 1219.65ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 52.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:33:35,272 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:33:35,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.44ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 83.2MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:33:35,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.31ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:33:35,273 INFO L158 Benchmark]: Boogie Preprocessor took 26.68ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.4MB in the end (delta: 736.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:33:35,273 INFO L158 Benchmark]: RCFGBuilder took 348.89ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 70.1MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:33:35,274 INFO L158 Benchmark]: CodeCheck took 447.64ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 56.6MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:33:35,274 INFO L158 Benchmark]: Witness Printer took 85.48ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:33:35,276 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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: 18]: 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 0.44ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.44ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 83.2MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.31ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.68ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.4MB in the end (delta: 736.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.89ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 70.1MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 447.64ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 56.6MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 85.48ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:33:35,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9f851d-fd02-4c95-aa04-893c04858937/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE