./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.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_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/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_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/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_9f700a7f-2fd5-411b-ab03-0ef25a91f575/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 34a6ac0ae0ce2a1c52f2cb4ae9d4f0c1b839747b10af516fd9266f613d6dd593 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:14:47,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:14:47,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:14:47,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:14:47,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:14:47,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:14:47,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:14:47,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:14:47,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:14:47,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:14:47,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:14:47,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:14:47,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:14:47,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:14:47,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:14:47,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:14:47,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:14:47,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:14:47,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:14:47,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:14:47,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:14:47,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:14:47,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:14:47,854 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:14:47,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:14:47,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:14:47,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:14:47,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:47,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:14:47,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:14:47,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:14:47,856 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:14:47,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:14:47,856 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_9f700a7f-2fd5-411b-ab03-0ef25a91f575/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 -> 34a6ac0ae0ce2a1c52f2cb4ae9d4f0c1b839747b10af516fd9266f613d6dd593 [2024-11-25 05:14:48,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:14:48,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:14:48,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:14:48,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:14:48,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:14:48,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i [2024-11-25 05:14:51,342 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/data/1c4ebd168/4519150429eb4d4c912d4336e0238754/FLAG74829a323 [2024-11-25 05:14:51,666 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:14:51,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i [2024-11-25 05:14:51,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/data/1c4ebd168/4519150429eb4d4c912d4336e0238754/FLAG74829a323 [2024-11-25 05:14:51,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/data/1c4ebd168/4519150429eb4d4c912d4336e0238754 [2024-11-25 05:14:51,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:14:51,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:14:51,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:51,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:14:51,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:14:51,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:51" (1/1) ... [2024-11-25 05:14:51,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d6ba84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:51, skipping insertion in model container [2024-11-25 05:14:51,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:51" (1/1) ... [2024-11-25 05:14:51,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:14:51,978 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_9f700a7f-2fd5-411b-ab03-0ef25a91f575/sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i[904,917] [2024-11-25 05:14:51,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:52,005 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:14:52,021 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_9f700a7f-2fd5-411b-ab03-0ef25a91f575/sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i[904,917] [2024-11-25 05:14:52,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:52,045 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:14:52,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52 WrapperNode [2024-11-25 05:14:52,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:52,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:52,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:14:52,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:14:52,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,088 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-25 05:14:52,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:52,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:14:52,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:14:52,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:14:52,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,106 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:14:52,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:14:52,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:14:52,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:14:52,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:52,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:14:52,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:14:52,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:14:52,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:14:52,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:14:52,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:14:52,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:14:52,284 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:14:52,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:14:52,433 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 05:14:52,434 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:14:52,508 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:14:52,509 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:14:52,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:52 BoogieIcfgContainer [2024-11-25 05:14:52,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:14:52,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:14:52,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:14:52,524 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:14:52,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:52" (1/1) ... [2024-11-25 05:14:52,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:14:52,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:52,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 05:14:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 05:14:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:14:52,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:52,831 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 05:14:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 05:14:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 05:14:52,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:14:52,885 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 05:14:52,894 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:14:52,909 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:14:52,909 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-25 05:14:52,909 INFO L75 FloydHoareUtils]: For program point L17(line 17) no Hoare annotation was computed. [2024-11-25 05:14:52,909 INFO L77 FloydHoareUtils]: At program point L15(lines 15 19) the Hoare annotation is: true [2024-11-25 05:14:52,909 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:14:52,910 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 20 32) the Hoare annotation is: true [2024-11-25 05:14:52,910 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2024-11-25 05:14:52,910 INFO L77 FloydHoareUtils]: At program point L16(lines 16 18) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-25 05:14:52,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:14:52 ImpRootNode [2024-11-25 05:14:52,919 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:14:52,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:14:52,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:14:52,920 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:14:52,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:52" (3/4) ... [2024-11-25 05:14:52,923 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:14:52,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-25 05:14:52,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 05:14:52,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:14:52,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:14:53,003 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:14:53,004 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:14:53,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:14:53,005 INFO L158 Benchmark]: Toolchain (without parser) took 1258.92ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 63.1MB in the end (delta: 43.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 05:14:53,005 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:53,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.74ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 95.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:14:53,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.62ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:53,007 INFO L158 Benchmark]: Boogie Preprocessor took 30.50ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 94.0MB in the end (delta: 660.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:14:53,007 INFO L158 Benchmark]: RCFGBuilder took 389.62ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 82.5MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:14:53,007 INFO L158 Benchmark]: CodeCheck took 407.22ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 67.5MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:14:53,008 INFO L158 Benchmark]: Witness Printer took 84.48ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 63.1MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:14:53,010 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 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, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.74ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 95.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.62ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 94.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.50ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 94.0MB in the end (delta: 660.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.62ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 82.5MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 407.22ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 67.5MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 84.48ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 63.1MB 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! [2024-11-25 05:14:53,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f700a7f-2fd5-411b-ab03-0ef25a91f575/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