./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm --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 1c92d0a3779cdad7e145b29b6ae35aeb1a90bc327e2327b92a2158da4de5b6ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:03:58,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:03:58,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:03:58,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:03:58,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:03:58,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:03:58,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:03:58,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:03:58,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:03:58,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:03:58,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:03:58,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:03:58,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:03:58,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:03:58,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:03:58,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:03:58,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:03:58,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:03:58,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:03:58,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:03:58,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:03:58,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:03:58,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:03:58,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:03:58,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:03:58,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:03:58,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:03:58,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:03:58,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:03:58,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:03:58,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:03:58,799 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:03:58,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:03:58,799 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_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 1c92d0a3779cdad7e145b29b6ae35aeb1a90bc327e2327b92a2158da4de5b6ea [2024-11-13 22:03:59,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:03:59,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:03:59,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:03:59,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:03:59,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:03:59,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursive-simple/afterrec-2.c Unable to find full path for "g++" [2024-11-13 22:04:01,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:04:02,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:04:02,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/sv-benchmarks/c/recursive-simple/afterrec-2.c [2024-11-13 22:04:02,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/data/32de41315/ed93fd65c5c04c068764b34882dd15de/FLAG9ab706caa [2024-11-13 22:04:02,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/data/32de41315/ed93fd65c5c04c068764b34882dd15de [2024-11-13 22:04:02,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:04:02,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:04:02,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:02,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:04:02,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:04:02,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec7f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02, skipping insertion in model container [2024-11-13 22:04:02,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:04:02,321 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_9d29de3a-8435-4b7d-9695-18763d60a0ea/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331] [2024-11-13 22:04:02,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:02,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:04:02,353 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_9d29de3a-8435-4b7d-9695-18763d60a0ea/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331] [2024-11-13 22:04:02,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:04:02,373 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:04:02,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02 WrapperNode [2024-11-13 22:04:02,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:04:02,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:02,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:04:02,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:04:02,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,404 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10 [2024-11-13 22:04:02,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:04:02,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:04:02,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:04:02,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:04:02,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:04:02,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:04:02,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:04:02,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:04:02,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:04:02,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:04:02,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:04:02,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:04:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:04:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 22:04:02,507 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 22:04:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:04:02,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:04:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:04:02,602 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:04:02,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:04:02,705 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-13 22:04:02,705 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:04:02,738 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:04:02,738 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:04:02,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:02 BoogieIcfgContainer [2024-11-13 22:04:02,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:04:02,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:04:02,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:04:02,755 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:04:02,756 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:02" (1/1) ... [2024-11-13 22:04:02,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:04:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-13 22:04:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-13 22:04:02,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:04:02,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:02,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:04:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:04:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 7 transitions. [2024-11-13 22:04:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 22:04:03,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:04:03,311 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 22:04:03,326 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:04:03,366 INFO L77 FloydHoareUtils]: At program point fErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) the Hoare annotation is: true [2024-11-13 22:04:03,368 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 5 10) the Hoare annotation is: (= |f_#in~n| 2) [2024-11-13 22:04:03,368 INFO L75 FloydHoareUtils]: For program point L8(line 8) no Hoare annotation was computed. [2024-11-13 22:04:03,370 INFO L77 FloydHoareUtils]: At program point fEXIT(lines 5 10) the Hoare annotation is: true [2024-11-13 22:04:03,370 INFO L77 FloydHoareUtils]: At program point L8-1(lines 5 10) the Hoare annotation is: true [2024-11-13 22:04:03,371 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= 2 f_~n) [2024-11-13 22:04:03,371 INFO L77 FloydHoareUtils]: At program point fFINAL(lines 5 10) the Hoare annotation is: true [2024-11-13 22:04:03,371 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:04:03,373 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: true [2024-11-13 22:04:03,373 INFO L77 FloydHoareUtils]: At program point L13-1(lines 12 14) the Hoare annotation is: true [2024-11-13 22:04:03,373 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:04:03,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:04:03 ImpRootNode [2024-11-13 22:04:03,402 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:04:03,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:04:03,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:04:03,403 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:04:03,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:04:02" (3/4) ... [2024-11-13 22:04:03,407 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:04:03,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2024-11-13 22:04:03,416 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 22:04:03,417 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:04:03,417 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:04:03,417 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:04:03,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:04:03,507 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:04:03,507 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:04:03,508 INFO L158 Benchmark]: Toolchain (without parser) took 1433.53ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 76.6MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:04:03,509 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:03,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.08ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 108.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:03,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:03,510 INFO L158 Benchmark]: Boogie Preprocessor took 14.89ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.6MB in the end (delta: 545.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:04:03,511 INFO L158 Benchmark]: RCFGBuilder took 318.63ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 96.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:03,511 INFO L158 Benchmark]: CodeCheck took 660.76ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 80.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:04:03,512 INFO L158 Benchmark]: Witness Printer took 104.64ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 76.6MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:04:03,515 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 2 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 5 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 3/7 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 - PositiveResult [Line: 9]: 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 - ProcedureContractResult [Line: 5]: Procedure Contract for f Derived contract for procedure f. Requires: (n == 2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.08ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 108.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.89ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.6MB in the end (delta: 545.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.63ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 96.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 660.76ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 80.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 104.64ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 76.6MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:04:03,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d29de3a-8435-4b7d-9695-18763d60a0ea/bin/ukojak-verify-EEHR8qb7sm/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