./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark14_linear.i --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_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/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_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark14_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/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_a9536ac2-cd89-4cef-b962-3135739671d2/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 d546657c333a76554ea79d12c15ed9a706336c0cf585eae27f1d478651e7f852 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:35:53,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:35:53,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:35:53,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:35:53,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:35:53,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:35:53,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:35:53,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:35:53,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:35:53,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:35:53,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:35:53,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:35:53,214 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:35:53,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:35:53,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:35:53,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:35:53,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:35:53,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:35:53,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:35:53,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:35:53,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:35:53,215 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:35:53,215 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:35:53,215 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:35:53,215 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:35:53,216 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:35:53,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:35:53,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:35:53,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:35:53,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:35:53,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:35:53,217 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:35:53,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:35:53,217 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_a9536ac2-cd89-4cef-b962-3135739671d2/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 -> d546657c333a76554ea79d12c15ed9a706336c0cf585eae27f1d478651e7f852 [2024-11-25 04:35:53,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:35:53,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:35:53,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:35:53,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:35:53,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:35:53,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-zilu/benchmark14_linear.i [2024-11-25 04:35:56,400 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/data/de3ac6edd/9a3d9f7014c54653a72df001be47e5cf/FLAGb63a14ad0 [2024-11-25 04:35:56,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:35:56,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/sv-benchmarks/c/loop-zilu/benchmark14_linear.i [2024-11-25 04:35:56,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/data/de3ac6edd/9a3d9f7014c54653a72df001be47e5cf/FLAGb63a14ad0 [2024-11-25 04:35:56,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/data/de3ac6edd/9a3d9f7014c54653a72df001be47e5cf [2024-11-25 04:35:56,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:35:56,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:35:56,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:35:56,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:35:56,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:35:56,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:35:56" (1/1) ... [2024-11-25 04:35:56,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b000e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:56, skipping insertion in model container [2024-11-25 04:35:56,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:35:56" (1/1) ... [2024-11-25 04:35:56,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:35:57,173 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_a9536ac2-cd89-4cef-b962-3135739671d2/sv-benchmarks/c/loop-zilu/benchmark14_linear.i[868,881] [2024-11-25 04:35:57,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:35:57,197 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:35:57,210 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_a9536ac2-cd89-4cef-b962-3135739671d2/sv-benchmarks/c/loop-zilu/benchmark14_linear.i[868,881] [2024-11-25 04:35:57,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:35:57,229 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:35:57,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57 WrapperNode [2024-11-25 04:35:57,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:35:57,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:35:57,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:35:57,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:35:57,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,265 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-25 04:35:57,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:35:57,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:35:57,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:35:57,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:35:57,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:35:57,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:35:57,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:35:57,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:35:57,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:35:57,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:35:57,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:35:57,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:35:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:35:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:35:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:35:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:35:57,434 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:35:57,436 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:35:57,539 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 04:35:57,539 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:35:57,586 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:35:57,586 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:35:57,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:57 BoogieIcfgContainer [2024-11-25 04:35:57,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:35:57,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:35:57,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:35:57,603 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:35:57,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:57" (1/1) ... [2024-11-25 04:35:57,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:35:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:35:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:35:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:35:57,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:57,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:35:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:57,936 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 04:35:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:35:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:35:58,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:35:58,007 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 04:35:58,016 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:35:58,035 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:35:58,036 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: true [2024-11-25 04:35:58,036 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-25 04:35:58,037 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:35:58,037 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 27) the Hoare annotation is: true [2024-11-25 04:35:58,038 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-11-25 04:35:58,038 INFO L77 FloydHoareUtils]: At program point L22-3(lines 22 24) the Hoare annotation is: (< 0 (+ |ULTIMATE.start_main_~i~0#1| 1)) [2024-11-25 04:35:58,038 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-11-25 04:35:58,038 INFO L77 FloydHoareUtils]: At program point L14(lines 14 18) the Hoare annotation is: true [2024-11-25 04:35:58,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:35:58 ImpRootNode [2024-11-25 04:35:58,055 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:35:58,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:35:58,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:35:58,056 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:35:58,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:57" (3/4) ... [2024-11-25 04:35:58,059 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:35:58,067 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 04:35:58,067 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 04:35:58,067 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:35:58,067 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:35:58,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:35:58,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:35:58,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:35:58,148 INFO L158 Benchmark]: Toolchain (without parser) took 1176.42ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 74.8MB in the end (delta: 42.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:35:58,148 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:35:58,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.56ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:35:58,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.22ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:35:58,149 INFO L158 Benchmark]: Boogie Preprocessor took 27.13ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.9MB in the end (delta: 687.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:35:58,149 INFO L158 Benchmark]: RCFGBuilder took 293.24ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:35:58,150 INFO L158 Benchmark]: CodeCheck took 466.72ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 79.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:35:58,150 INFO L158 Benchmark]: Witness Printer took 91.24ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 74.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:35:58,152 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, 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, 7 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, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 3 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 16]: 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 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (0 < ((long long) i + 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.56ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.6MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.22ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.13ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.9MB in the end (delta: 687.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.24ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 466.72ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 79.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 91.24ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 74.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:35:58,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9536ac2-cd89-4cef-b962-3135739671d2/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