./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c --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_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/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_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/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_16aaa405-5023-4ab4-99c3-28607d3eba49/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 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:13:57,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:13:57,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:13:57,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:13:57,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:13:57,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:13:57,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:13:57,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:13:57,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:13:57,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:13:57,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:13:57,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:13:57,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:13:57,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:13:57,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:13:57,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:13:57,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:13:57,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:13:57,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:13:57,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:13:57,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:13:57,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:13:57,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:13:57,718 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:13:57,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:13:57,718 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_16aaa405-5023-4ab4-99c3-28607d3eba49/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 -> 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 [2024-12-06 05:13:57,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:13:57,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:13:57,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:13:57,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:13:57,932 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:13:57,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2024-12-06 05:14:00,552 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/data/3ce242a91/3e9a38096933427d92b30696768a7c03/FLAGdea9cf238 [2024-12-06 05:14:00,759 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:14:00,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2024-12-06 05:14:00,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/data/3ce242a91/3e9a38096933427d92b30696768a7c03/FLAGdea9cf238 [2024-12-06 05:14:00,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/data/3ce242a91/3e9a38096933427d92b30696768a7c03 [2024-12-06 05:14:00,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:14:00,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:14:00,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:14:00,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:14:00,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:14:00,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:14:00" (1/1) ... [2024-12-06 05:14:00,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ea3241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:00, skipping insertion in model container [2024-12-06 05:14:00,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:14:00" (1/1) ... [2024-12-06 05:14:00,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:14:00,968 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_16aaa405-5023-4ab4-99c3-28607d3eba49/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c[458,471] [2024-12-06 05:14:00,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:14:00,995 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:14:01,006 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_16aaa405-5023-4ab4-99c3-28607d3eba49/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c[458,471] [2024-12-06 05:14:01,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:14:01,028 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:14:01,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01 WrapperNode [2024-12-06 05:14:01,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:14:01,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:14:01,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:14:01,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:14:01,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,060 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-12-06 05:14:01,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:14:01,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:14:01,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:14:01,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:14:01,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:14:01,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:14:01,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:14:01,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:14:01,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:14:01,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:14:01,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:14:01,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:14:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:14:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:14:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:14:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:14:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:14:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:14:01,199 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:14:01,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:14:01,311 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 05:14:01,311 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:14:01,348 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:14:01,348 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:14:01,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:01 BoogieIcfgContainer [2024-12-06 05:14:01,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:14:01,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:14:01,349 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:14:01,358 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:14:01,358 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:01" (1/1) ... [2024-12-06 05:14:01,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:14:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 05:14:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 05:14:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:14:01,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:01,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:01,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:14:01,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:01,638 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 05:14:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-06 05:14:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-06 05:14:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:14:01,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:01,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:01,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:14:01,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:01,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-12-06 05:14:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-12-06 05:14:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:14:01,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:01,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:01,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:14:01,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:14:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-12-06 05:14:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-12-06 05:14:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:14:02,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:02,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:14:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 29 transitions. [2024-12-06 05:14:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 05:14:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:14:02,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:02,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:02,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 05:14:02,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:14:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 43 transitions. [2024-12-06 05:14:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2024-12-06 05:14:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:14:03,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:03,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:03,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 05:14:03,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:14:04,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2024-12-06 05:14:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-12-06 05:14:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:14:04,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:04,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 05:14:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 48 transitions. [2024-12-06 05:14:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2024-12-06 05:14:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:14:04,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:04,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:14:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:04,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:14:04,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:14:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 64 transitions. [2024-12-06 05:14:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-12-06 05:14:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:14:05,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:05,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:14:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:06,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 22 states and 29 transitions. [2024-12-06 05:14:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 05:14:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 05:14:06,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:06,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:14:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-06 05:14:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 17 states and 24 transitions. [2024-12-06 05:14:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-12-06 05:14:06,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 05:14:06,640 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-12-06 05:14:06,649 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 05:14:07,049 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 05:14:07,049 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-12-06 05:14:07,049 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~y~0#1| 0)) (.cse0 (= 2 |ULTIMATE.start_main_~y~0#1|))) (or (and (= 9 |ULTIMATE.start_main_~x~0#1|) .cse0) (and .cse1 (= |ULTIMATE.start_main_~x~0#1| 0)) (and (not .cse1) (not (and .cse0 (= 2 |ULTIMATE.start_main_~k~0#1|)))))) [2024-12-06 05:14:07,049 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 05:14:07,050 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-12-06 05:14:07,050 INFO L77 FloydHoareUtils]: At program point L28(lines 27 36) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_main_~y~0#1| 1)) (.cse0 (= |ULTIMATE.start_main_~y~0#1| 0)) (.cse1 (= 2 |ULTIMATE.start_main_~y~0#1|))) (or (and (not .cse0) (not (and .cse1 (= 2 |ULTIMATE.start_main_~k~0#1|))) (not (and (<= |ULTIMATE.start_main_~c~0#1| 1) .cse2 (<= 1 |ULTIMATE.start_main_~k~0#1|)))) (and (= |ULTIMATE.start_main_~x~0#1| 1) .cse2) (and (= 9 |ULTIMATE.start_main_~x~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start_main_~x~0#1| 0)) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) .cse1))) [2024-12-06 05:14:07,050 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-12-06 05:14:07,050 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-06 05:14:07,050 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-06 05:14:07,050 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 05:14:07,050 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-06 05:14:07,050 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 05:14:07,051 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-06 05:14:07,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:14:07 ImpRootNode [2024-12-06 05:14:07,070 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:14:07,070 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:14:07,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:14:07,071 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:14:07,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:14:01" (3/4) ... [2024-12-06 05:14:07,074 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 05:14:07,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 05:14:07,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 05:14:07,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 05:14:07,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 05:14:07,081 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 05:14:07,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:14:07,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:14:07,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:14:07,167 INFO L158 Benchmark]: Toolchain (without parser) took 6378.53ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 77.5MB in the end (delta: 38.8MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-12-06 05:14:07,167 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:14:07,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.30ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:14:07,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.13ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:14:07,168 INFO L158 Benchmark]: Boogie Preprocessor took 18.85ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.3MB in the end (delta: 795.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:14:07,169 INFO L158 Benchmark]: RCFGBuilder took 268.15ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 91.3MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:14:07,169 INFO L158 Benchmark]: CodeCheck took 5720.64ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 82.0MB in the end (delta: 9.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-12-06 05:14:07,170 INFO L158 Benchmark]: Witness Printer took 95.79ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 77.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:14:07,172 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: 5.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 266 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 491 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1248 IncrementalHoareTripleChecker+Invalid, 1739 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 491 mSolverCounterUnsat, 127 mSDtfsCounter, 1248 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1525 GetRequests, 1399 SyntacticMatches, 24 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4117 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 577 SizeOfPredicates, 6 NumberOfNonLiveVariables, 360 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 115/144 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: 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 - ProcedureContractResult [Line: 9]: 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.30ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.13ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.85ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.3MB in the end (delta: 795.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.15ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 91.3MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5720.64ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 82.0MB in the end (delta: 9.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 95.79ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 77.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 05:14:07,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16aaa405-5023-4ab4-99c3-28607d3eba49/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