./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.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_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b --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 b13c7652df725cabbd532da1a8071964fc183988971efb0d5513967afd08dfea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:33:11,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:33:11,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:33:11,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:33:11,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:33:11,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:33:11,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:33:11,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:33:11,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:33:11,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:33:11,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:33:11,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:33:11,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:33:11,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:33:11,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:33:11,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:33:11,462 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_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b 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 -> b13c7652df725cabbd532da1a8071964fc183988971efb0d5513967afd08dfea [2024-12-06 05:33:11,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:33:11,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:33:11,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:33:11,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:33:11,694 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:33:11,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i [2024-12-06 05:33:14,327 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/data/b0dfe9540/50803f21105f4e4398882204488b26be/FLAG62b92ff46 [2024-12-06 05:33:14,527 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:33:14,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i [2024-12-06 05:33:14,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/data/b0dfe9540/50803f21105f4e4398882204488b26be/FLAG62b92ff46 [2024-12-06 05:33:14,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/data/b0dfe9540/50803f21105f4e4398882204488b26be [2024-12-06 05:33:14,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:33:14,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:33:14,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:33:14,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:33:14,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:33:14,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:33:14" (1/1) ... [2024-12-06 05:33:14,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc2f930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:14, skipping insertion in model container [2024-12-06 05:33:14,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:33:14" (1/1) ... [2024-12-06 05:33:14,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:33:15,057 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_0929cb06-fc68-455f-bc7a-f11c1a29cb71/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i[951,964] [2024-12-06 05:33:15,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:33:15,079 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:33:15,088 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_0929cb06-fc68-455f-bc7a-f11c1a29cb71/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound2.i[951,964] [2024-12-06 05:33:15,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:33:15,105 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:33:15,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15 WrapperNode [2024-12-06 05:33:15,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:33:15,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:33:15,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:33:15,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:33:15,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,132 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-12-06 05:33:15,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:33:15,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:33:15,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:33:15,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:33:15,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:33:15,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:33:15,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:33:15,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:33:15,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:33:15,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:33:15,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:33:15,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:33:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:33:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:33:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:33:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:33:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:33:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:33:15,247 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:33:15,248 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:33:15,338 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 05:33:15,338 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:33:15,373 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:33:15,373 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:33:15,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:15 BoogieIcfgContainer [2024-12-06 05:33:15,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:33:15,374 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:33:15,374 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:33:15,381 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:33:15,381 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:15" (1/1) ... [2024-12-06 05:33:15,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:33:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 05:33:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 05:33:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:33:15,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:33:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:15,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 05:33:15,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:33:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:15,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-06 05:33:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-06 05:33:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:33:15,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:33:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-06 05:33:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-06 05:33:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:33:16,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:16,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:33:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 05:33:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 05:33:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:33:16,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:16,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:33:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:16,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 05:33:16,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:33:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2024-12-06 05:33:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2024-12-06 05:33:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:33:18,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:18,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:33:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:18,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 05:33:18,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:33:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:19,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2024-12-06 05:33:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2024-12-06 05:33:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:33:19,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:19,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:33:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2024-12-06 05:33:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2024-12-06 05:33:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:33:20,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:20,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:33:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2024-12-06 05:33:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2024-12-06 05:33:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:33:23,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:23,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:33:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:23,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 05:33:23,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:33:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:25,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 34 states and 73 transitions. [2024-12-06 05:33:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 73 transitions. [2024-12-06 05:33:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:33:25,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:25,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:33:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:33:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 22 states and 30 transitions. [2024-12-06 05:33:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 05:33:31,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:33:31,325 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-12-06 05:33:31,331 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 05:33:32,166 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:33:32,166 INFO L77 FloydHoareUtils]: At program point L48(line 48) the Hoare annotation is: true [2024-12-06 05:33:32,166 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:33:32,166 INFO L77 FloydHoareUtils]: At program point L38-1(lines 38 47) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-12-06 05:33:32,166 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 37) the Hoare annotation is: (let ((.cse5 (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (let ((.cse1 (<= .cse5 2)) (.cse0 (div |ULTIMATE.start_main_~b~0#1| 2)) (.cse3 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse2 (mod |ULTIMATE.start_main_~r~0#1| 4294967296)) (.cse4 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|))) (or (and (<= |ULTIMATE.start_main_~B~0#1| .cse0) .cse1 (<= |ULTIMATE.start_main_~b~0#1| (* 2 |ULTIMATE.start_main_~B~0#1|)) (<= 1 .cse2) .cse3 .cse4 (= 2 |ULTIMATE.start_main_~b~0#1|)) (and (= |ULTIMATE.start_main_~b~0#1| 1) .cse1 .cse3 (= |ULTIMATE.start_main_~B~0#1| |ULTIMATE.start_main_~b~0#1|) .cse4) (and (<= (+ |ULTIMATE.start_main_~b~0#1| (* (div |ULTIMATE.start_main_~A~0#1| 4294967296) 8589934592) (* 8589934592 (div |ULTIMATE.start_main_~b~0#1| 4294967296))) (+ (* (div (+ (* (- 1) |ULTIMATE.start_main_~b~0#1|) |ULTIMATE.start_main_~r~0#1| 4 .cse0) 2147483648) 4294967296) (* |ULTIMATE.start_main_~B~0#1| 4))) (<= (+ 2 |ULTIMATE.start_main_~r~0#1| .cse5 (mod |ULTIMATE.start_main_~b~0#1| 2)) (+ |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~b~0#1|)) (<= |ULTIMATE.start_main_~B~0#1| 1) .cse3 (<= |ULTIMATE.start_main_~b~0#1| 4) (<= 2 .cse2) .cse4)))) [2024-12-06 05:33:32,166 INFO L77 FloydHoareUtils]: At program point L43-2(lines 38 47) the Hoare annotation is: true [2024-12-06 05:33:32,167 INFO L77 FloydHoareUtils]: At program point L39(lines 38 47) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-12-06 05:33:32,167 INFO L77 FloydHoareUtils]: At program point L19-2(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 05:33:32,167 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 05:33:32,167 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-06 05:33:32,167 INFO L77 FloydHoareUtils]: At program point L20(lines 20 21) the Hoare annotation is: true [2024-12-06 05:33:32,167 INFO L77 FloydHoareUtils]: At program point L19(lines 19 22) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-06 05:33:32,167 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) the Hoare annotation is: true [2024-12-06 05:33:32,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:33:32 ImpRootNode [2024-12-06 05:33:32,181 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:33:32,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:33:32,181 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:33:32,181 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:33:32,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:15" (3/4) ... [2024-12-06 05:33:32,183 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:33:32,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 05:33:32,188 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 05:33:32,188 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 05:33:32,188 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 05:33:32,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 05:33:32,255 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:33:32,255 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:33:32,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:33:32,256 INFO L158 Benchmark]: Toolchain (without parser) took 17339.54ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 92.7MB in the beginning and 162.3MB in the end (delta: -69.6MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-12-06 05:33:32,257 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:32,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.99ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:33:32,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.09ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:32,258 INFO L158 Benchmark]: Boogie Preprocessor took 15.07ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.7MB in the end (delta: 717.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:33:32,258 INFO L158 Benchmark]: RCFGBuilder took 225.77ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 67.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:33:32,258 INFO L158 Benchmark]: CodeCheck took 16806.50ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 67.3MB in the beginning and 168.3MB in the end (delta: -101.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:33:32,258 INFO L158 Benchmark]: Witness Printer took 74.28ms. Allocated memory is still 209.7MB. Free memory was 168.3MB in the beginning and 162.3MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:33:32,260 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 597 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1499 IncrementalHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 597 mSolverCounterUnsat, 61 mSDtfsCounter, 1499 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1549 GetRequests, 1364 SyntacticMatches, 27 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12600 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 1187 SizeOfPredicates, 7 NumberOfNonLiveVariables, 211 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 45/82 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: 21]: 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: 34]: Loop Invariant Derived loop invariant: (((((((((B <= (b / 2)) && (A <= 2)) && (b <= ((long long) 2 * B))) && (1 <= r)) && (q == 0)) && (A == r)) && (2 == b)) || (((((b == 1) && (A <= 2)) && (q == 0)) && (B == b)) && (A == r))) || (((((((b <= (((((((((long long) -1 * b) + r) + 4) + (b / 2)) >= 0) ? ((((((long long) -1 * b) + r) + 4) + (b / 2)) / 2147483648) : (((((((long long) -1 * b) + r) + 4) + (b / 2)) / 2147483648) - 1)) * 4294967296) + ((long long) B * 4))) && (((((long long) 2 + r) + A) + (b % 2)) <= ((long long) A + b))) && (B <= 1)) && (q == 0)) && (b <= 4)) && (2 <= r)) && (A == r))) - ProcedureContractResult [Line: 18]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * 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 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.99ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.09ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.07ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.7MB in the end (delta: 717.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 225.77ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 67.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 16806.50ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 67.3MB in the beginning and 168.3MB in the end (delta: -101.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.28ms. Allocated memory is still 209.7MB. Free memory was 168.3MB in the beginning and 162.3MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:33:32,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0929cb06-fc68-455f-bc7a-f11c1a29cb71/bin/ukojak-verify-CZk0znPC7b/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