./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL --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 f942e62b2f9a82992241bbc2081e1fc33edaf1fde957ae533ac750a81c491e76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:10,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:11,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:04:11,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:11,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:11,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:11,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:11,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:11,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:11,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:11,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:11,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:11,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:11,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:11,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:11,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:11,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:11,139 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:04:11,140 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:11,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:11,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:11,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:11,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:11,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:11,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:11,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:11,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:11,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:11,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:11,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:11,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:11,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:11,150 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_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f942e62b2f9a82992241bbc2081e1fc33edaf1fde957ae533ac750a81c491e76 [2023-11-19 04:04:11,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:11,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:11,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:11,543 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:11,543 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:11,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_good.i [2023-11-19 04:04:14,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:15,214 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:15,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_good.i [2023-11-19 04:04:15,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/data/578e51445/0c7a068299ec46e8a3613fb7ffa3855b/FLAG2a09c326c [2023-11-19 04:04:15,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/data/578e51445/0c7a068299ec46e8a3613fb7ffa3855b [2023-11-19 04:04:15,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:15,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:15,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:15,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:15,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:15,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5804a7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:15, skipping insertion in model container [2023-11-19 04:04:15,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:15" (1/1) ... [2023-11-19 04:04:15,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:15,786 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:04:16,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:16,453 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:16,476 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:04:16,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:16,733 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:16,733 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:16,734 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:16,734 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:16,734 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:16,743 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:16,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16 WrapperNode [2023-11-19 04:04:16,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:16,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:16,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:16,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:16,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,818 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 192 [2023-11-19 04:04:16,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:16,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:16,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:16,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:16,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:16,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:16,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:16,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:16,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:16" (1/1) ... [2023-11-19 04:04:16,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:16,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:16,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:16,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 04:04:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 04:04:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:04:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:04:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:04:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:17,116 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:17,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:17,553 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:18,038 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:18,038 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:04:18,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:18 BoogieIcfgContainer [2023-11-19 04:04:18,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:18,045 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:18,045 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:18,056 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:18,057 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:18" (1/1) ... [2023-11-19 04:04:18,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-19 04:04:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-19 04:04:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:04:18,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:18,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:18,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2023-11-19 04:04:18,653 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-19 04:04:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:04:18,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:18,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:04:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 61 transitions. [2023-11-19 04:04:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-19 04:04:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:04:19,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:19,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:19,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:19,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 58 transitions. [2023-11-19 04:04:19,379 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-19 04:04:19,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:04:19,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:19,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 57 transitions. [2023-11-19 04:04:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-19 04:04:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:04:19,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:19,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 58 transitions. [2023-11-19 04:04:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-11-19 04:04:20,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:04:20,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 58 transitions. [2023-11-19 04:04:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-19 04:04:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:04:20,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 62 transitions. [2023-11-19 04:04:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-19 04:04:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:04:20,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 67 transitions. [2023-11-19 04:04:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-11-19 04:04:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:04:20,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:04:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 69 transitions. [2023-11-19 04:04:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-19 04:04:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:04:20,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:20,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 70 transitions. [2023-11-19 04:04:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-19 04:04:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:04:21,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:21,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 67 transitions. [2023-11-19 04:04:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-19 04:04:21,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:04:21,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 49 transitions. [2023-11-19 04:04:21,601 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-19 04:04:21,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:04:21,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:21,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:21,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 48 transitions. [2023-11-19 04:04:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-19 04:04:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:04:21,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:21,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 47 transitions. [2023-11-19 04:04:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-19 04:04:22,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:04:22,279 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2023-11-19 04:04:22,289 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 04:04:22,406 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:04:22,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:04:22 ImpRootNode [2023-11-19 04:04:22,413 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:04:22,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:04:22,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:04:22,415 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:04:22,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:18" (3/4) ... [2023-11-19 04:04:22,422 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:04:22,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 04:04:22,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 04:04:22,445 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2023-11-19 04:04:22,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 04:04:22,447 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:04:22,448 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:04:22,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:04:22,644 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:04:22,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:04:22,650 INFO L158 Benchmark]: Toolchain (without parser) took 7368.41ms. Allocated memory was 144.7MB in the beginning and 222.3MB in the end (delta: 77.6MB). Free memory was 116.6MB in the beginning and 145.2MB in the end (delta: -28.6MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-11-19 04:04:22,650 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:22,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.49ms. Allocated memory is still 144.7MB. Free memory was 116.2MB in the beginning and 51.8MB in the end (delta: 64.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 04:04:22,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.75ms. Allocated memory is still 144.7MB. Free memory was 51.8MB in the beginning and 48.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:22,652 INFO L158 Benchmark]: Boogie Preprocessor took 42.08ms. Allocated memory is still 144.7MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:22,654 INFO L158 Benchmark]: RCFGBuilder took 1181.92ms. Allocated memory is still 144.7MB. Free memory was 46.5MB in the beginning and 49.1MB in the end (delta: -2.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-19 04:04:22,654 INFO L158 Benchmark]: CodeCheck took 4368.64ms. Allocated memory was 144.7MB in the beginning and 222.3MB in the end (delta: 77.6MB). Free memory was 48.4MB in the beginning and 152.5MB in the end (delta: -104.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:22,655 INFO L158 Benchmark]: Witness Printer took 233.92ms. Allocated memory is still 222.3MB. Free memory was 152.5MB in the beginning and 145.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:04:22,662 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 3 procedures, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1340 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 383 mSDsluCounter, 965 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 293 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1065 IncrementalHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 293 mSolverCounterUnsat, 745 mSDtfsCounter, 1065 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2180 GetRequests, 2130 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 58/58 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.49ms. Allocated memory is still 144.7MB. Free memory was 116.2MB in the beginning and 51.8MB in the end (delta: 64.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.75ms. Allocated memory is still 144.7MB. Free memory was 51.8MB in the beginning and 48.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.08ms. Allocated memory is still 144.7MB. Free memory was 48.2MB in the beginning and 46.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1181.92ms. Allocated memory is still 144.7MB. Free memory was 46.5MB in the beginning and 49.1MB in the end (delta: -2.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * CodeCheck took 4368.64ms. Allocated memory was 144.7MB in the beginning and 222.3MB in the end (delta: 77.6MB). Free memory was 48.4MB in the beginning and 152.5MB in the end (delta: -104.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 233.92ms. Allocated memory is still 222.3MB. Free memory was 152.5MB in the beginning and 145.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:04:22,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acd2613a-1bc9-4817-8c8a-ca3c71634a73/bin/ukojak-verify-G8NBE6pJGL/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