./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Nested-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Nested-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 689bfa137c7ec291c9da872b4c0ae907dc49890ce91238f2d64af583a7257b4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:53:26,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:53:26,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:53:26,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:53:26,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:53:26,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:53:26,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:53:26,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:53:26,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:53:26,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:53:26,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:53:26,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:53:26,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:53:26,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:53:26,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:53:26,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:53:26,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:53:26,645 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:53:26,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:53:26,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:53:26,646 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:53:26,647 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:53:26,647 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:53:26,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:53:26,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:26,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:53:26,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:53:26,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:53:26,651 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:53:26,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:53:26,653 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:53:26,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 689bfa137c7ec291c9da872b4c0ae907dc49890ce91238f2d64af583a7257b4a [2023-11-11 23:53:27,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:53:27,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:53:27,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:53:27,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:53:27,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:53:27,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-restricted-15/Nested-2.c [2023-11-11 23:53:30,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:30,719 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:30,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/sv-benchmarks/c/termination-restricted-15/Nested-2.c [2023-11-11 23:53:30,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/data/a2dcc902d/e6abaa2266ea40fb906f0500ff8d02f0/FLAG4deeb6ba7 [2023-11-11 23:53:30,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/data/a2dcc902d/e6abaa2266ea40fb906f0500ff8d02f0 [2023-11-11 23:53:30,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:30,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:30,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:30,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:30,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:30,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:30,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1322ad52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30, skipping insertion in model container [2023-11-11 23:53:30,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:30,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:30,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:30,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:30,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:30,991 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:30,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30 WrapperNode [2023-11-11 23:53:30,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:30,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:30,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:30,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:31,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,023 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-11-11 23:53:31,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:31,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:31,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:31,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:31,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:31,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:31,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:31,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:31,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:30" (1/1) ... [2023-11-11 23:53:31,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:31,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:31,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:31,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:31,219 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:31,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:31,364 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:31,383 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:31,383 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:53:31,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:31 BoogieIcfgContainer [2023-11-11 23:53:31,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:31,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:31,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:31,397 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:31,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:31" (1/1) ... [2023-11-11 23:53:31,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:53:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-11 23:53:31,463 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-11 23:53:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:53:31,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-11 23:53:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-11 23:53:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:53:31,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:31,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:31,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-11 23:53:31,763 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-11 23:53:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:53:31,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:31,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-11 23:53:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-11 23:53:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:53:31,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-11 23:53:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-11 23:53:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:53:32,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:32,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:32,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2023-11-11 23:53:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2023-11-11 23:53:32,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:53:32,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:32,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:32,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-11 23:53:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-11 23:53:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:53:32,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:32,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2023-11-11 23:53:32,584 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2023-11-11 23:53:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:32,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:32,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:32,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2023-11-11 23:53:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2023-11-11 23:53:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:32,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:32,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2023-11-11 23:53:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2023-11-11 23:53:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:53:33,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:33,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:33,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2023-11-11 23:53:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2023-11-11 23:53:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:33,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:33,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2023-11-11 23:53:33,702 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2023-11-11 23:53:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:33,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:33,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2023-11-11 23:53:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-11 23:53:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:53:33,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:33,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:53:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2023-11-11 23:53:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2023-11-11 23:53:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:53:34,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:34,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:53:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:34,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2023-11-11 23:53:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2023-11-11 23:53:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:53:34,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:53:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2023-11-11 23:53:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2023-11-11 23:53:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:53:34,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:34,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:53:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2023-11-11 23:53:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-11 23:53:35,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:53:35,232 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-11 23:53:35,246 INFO L753 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-11 23:53:35,457 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-11 23:53:35,472 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-11-11 23:53:35,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:53:35 ImpRootNode [2023-11-11 23:53:35,478 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:53:35,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:53:35,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:53:35,480 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:53:35,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:31" (3/4) ... [2023-11-11 23:53:35,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:53:35,498 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:53:35,499 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:53:35,499 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:53:35,621 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:53:35,622 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:53:35,622 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:53:35,623 INFO L158 Benchmark]: Toolchain (without parser) took 4866.91ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 124.2MB in the beginning and 202.5MB in the end (delta: -78.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:35,623 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 172.0MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:35,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.93ms. Allocated memory is still 172.0MB. Free memory was 124.0MB in the beginning and 114.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:53:35,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.58ms. Allocated memory is still 172.0MB. Free memory was 114.7MB in the beginning and 113.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:35,625 INFO L158 Benchmark]: Boogie Preprocessor took 20.93ms. Allocated memory is still 172.0MB. Free memory was 113.3MB in the beginning and 112.4MB in the end (delta: 935.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:35,626 INFO L158 Benchmark]: RCFGBuilder took 340.36ms. Allocated memory is still 172.0MB. Free memory was 112.4MB in the beginning and 102.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:53:35,626 INFO L158 Benchmark]: CodeCheck took 4091.95ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 102.6MB in the beginning and 206.7MB in the end (delta: -104.1MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2023-11-11 23:53:35,627 INFO L158 Benchmark]: Witness Printer took 142.69ms. Allocated memory is still 241.2MB. Free memory was 206.7MB in the beginning and 202.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:53:35,630 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 675 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 588 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 515 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2181 IncrementalHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 515 mSolverCounterUnsat, 62 mSDtfsCounter, 2181 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1316 GetRequests, 1168 SyntacticMatches, 56 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3742 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 54/54 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((3 <= j) && (i <= 0)) && (0 <= i)) || (((0 < i) && (11 < j)) && (i <= 9))) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((0 < i) && (11 < j)) || ((((3 <= j) && (i <= 0)) && (j <= 3)) && (0 <= i))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 172.0MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.93ms. Allocated memory is still 172.0MB. Free memory was 124.0MB in the beginning and 114.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.58ms. Allocated memory is still 172.0MB. Free memory was 114.7MB in the beginning and 113.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.93ms. Allocated memory is still 172.0MB. Free memory was 113.3MB in the beginning and 112.4MB in the end (delta: 935.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.36ms. Allocated memory is still 172.0MB. Free memory was 112.4MB in the beginning and 102.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4091.95ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 102.6MB in the beginning and 206.7MB in the end (delta: -104.1MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * Witness Printer took 142.69ms. Allocated memory is still 241.2MB. Free memory was 206.7MB in the beginning and 202.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:53:35,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed49eb9-5038-405d-8e26-4979119d4b1f/bin/ukojak-verify-0OAaufAVZV/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