./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/phases_2-2.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_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/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_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/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_ea1cc407-bd58-40c1-954f-683273a8fee5/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 c973e7f310a848892a18e3f534717b85b3f4d9e6c87fd06bd7bcf01c28300fa4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:07:35,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:07:35,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:07:35,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:07:35,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:07:35,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:07:35,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:07:35,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:07:35,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:07:35,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:07:35,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:07:35,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:07:35,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:07:35,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:07:35,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:07:35,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:07:35,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:07:35,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:07:35,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:07:35,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:07:35,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:07:35,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:07:35,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:07:35,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:07:35,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:07:35,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:07:35,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:07:35,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:07:35,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:07:35,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:07:35,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:07:35,757 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:07:35,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:07:35,757 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_ea1cc407-bd58-40c1-954f-683273a8fee5/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 -> c973e7f310a848892a18e3f534717b85b3f4d9e6c87fd06bd7bcf01c28300fa4 [2024-11-13 22:07:36,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:07:36,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:07:36,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:07:36,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:07:36,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:07:36,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-acceleration/phases_2-2.c Unable to find full path for "g++" [2024-11-13 22:07:37,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:07:38,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:07:38,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-11-13 22:07:38,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/data/6e1155d5e/d30903b9c19b49dca0506d74bce0a7a7/FLAG8293f435b [2024-11-13 22:07:38,298 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/data/6e1155d5e/d30903b9c19b49dca0506d74bce0a7a7 [2024-11-13 22:07:38,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:07:38,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:07:38,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:07:38,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:07:38,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:07:38,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e2b6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38, skipping insertion in model container [2024-11-13 22:07:38,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:07:38,475 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_ea1cc407-bd58-40c1-954f-683273a8fee5/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2024-11-13 22:07:38,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:07:38,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:07:38,506 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_ea1cc407-bd58-40c1-954f-683273a8fee5/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2024-11-13 22:07:38,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:07:38,524 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:07:38,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38 WrapperNode [2024-11-13 22:07:38,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:07:38,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:07:38,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:07:38,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:07:38,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,555 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-11-13 22:07:38,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:07:38,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:07:38,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:07:38,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:07:38,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:07:38,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:07:38,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:07:38,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:07:38,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:38,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:07:38,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:07:38,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:07:38,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:07:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:07:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:07:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:07:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:07:38,722 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:07:38,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:07:38,889 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:07:38,889 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:07:38,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:07:38,970 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:07:38,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:07:38 BoogieIcfgContainer [2024-11-13 22:07:38,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:07:38,975 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:07:38,979 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:07:38,990 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:07:38,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:07:38" (1/1) ... [2024-11-13 22:07:39,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:07:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:07:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:07:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:07:39,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:39,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:07:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:07:39,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:07:39,727 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 22:07:39,736 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:07:39,761 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:07:39,761 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (= |ULTIMATE.start_main_~x~0#1| 1) [2024-11-13 22:07:39,761 INFO L77 FloydHoareUtils]: At program point L17(lines 17 32) the Hoare annotation is: true [2024-11-13 22:07:39,762 INFO L77 FloydHoareUtils]: At program point L11(lines 11 13) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-13 22:07:39,762 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:07:39,762 INFO L77 FloydHoareUtils]: At program point L11-2(lines 10 15) the Hoare annotation is: true [2024-11-13 22:07:39,762 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-11-13 22:07:39,762 INFO L77 FloydHoareUtils]: At program point L24-2(lines 23 29) the Hoare annotation is: (and (<= 1 (mod |ULTIMATE.start_main_~y~0#1| 4294967296)) (= |ULTIMATE.start_main_~x~0#1| 1)) [2024-11-13 22:07:39,763 INFO L75 FloydHoareUtils]: For program point L12(line 12) no Hoare annotation was computed. [2024-11-13 22:07:39,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:07:39 ImpRootNode [2024-11-13 22:07:39,774 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:07:39,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:07:39,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:07:39,775 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:07:39,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:07:38" (3/4) ... [2024-11-13 22:07:39,778 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:07:39,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 22:07:39,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:07:39,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:07:39,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:07:39,856 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:07:39,857 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:07:39,857 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:07:39,858 INFO L158 Benchmark]: Toolchain (without parser) took 1555.72ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 44.7MB in the end (delta: 50.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 22:07:39,858 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:07:39,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.00ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 84.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:07:39,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.79ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:07:39,859 INFO L158 Benchmark]: Boogie Preprocessor took 16.73ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 82.3MB in the end (delta: 616.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:07:39,860 INFO L158 Benchmark]: RCFGBuilder took 401.02ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 71.1MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:07:39,860 INFO L158 Benchmark]: CodeCheck took 798.98ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 49.1MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:07:39,860 INFO L158 Benchmark]: Witness Printer took 81.84ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 44.7MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:07:39,863 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 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 - PositiveResult [Line: 12]: 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: 23]: Loop Invariant Derived loop invariant: ((1 <= y) && (x == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.00ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 84.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.79ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.73ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 82.3MB in the end (delta: 616.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 401.02ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 71.1MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 798.98ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 49.1MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 81.84ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 44.7MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:07:39,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1cc407-bd58-40c1-954f-683273a8fee5/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