./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/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_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/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 32bit --witnessprinter.graph.data.programhash 3387469fc11c16d7f8ab51cbf8a20f0f1310ee033d6c034e3a7582b30964acec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:44,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:44,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:14:44,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:44,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:44,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:44,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:44,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:44,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:44,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:44,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:44,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:44,267 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:44,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:44,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:44,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:44,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:44,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:44,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:44,270 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:14:44,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:14:44,271 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:44,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:44,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:44,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:44,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:44,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:44,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:44,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:44,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:44,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:44,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:44,276 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:44,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:44,276 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:44,276 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_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3387469fc11c16d7f8ab51cbf8a20f0f1310ee033d6c034e3a7582b30964acec [2023-11-19 03:14:44,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:44,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:44,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:44,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:44,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:44,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c [2023-11-19 03:14:47,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:47,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:47,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound1.c [2023-11-19 03:14:47,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/data/f40058109/6ff5e1b808084092843d8ddc8e8b6aa9/FLAGa58f2d943 [2023-11-19 03:14:47,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/data/f40058109/6ff5e1b808084092843d8ddc8e8b6aa9 [2023-11-19 03:14:48,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:48,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:48,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:48,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:48,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:48,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:47" (1/1) ... [2023-11-19 03:14:48,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729ee893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48, skipping insertion in model container [2023-11-19 03:14:48,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:47" (1/1) ... [2023-11-19 03:14:48,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:48,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:48,246 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:48,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:48,277 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:48,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48 WrapperNode [2023-11-19 03:14:48,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:48,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:48,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:48,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:48,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,317 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-19 03:14:48,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:48,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:48,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:48,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:48,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:48,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:48,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:48,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:48,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:48,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:48,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:48,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:14:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:14:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:14:48,556 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:48,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:48,762 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:48,810 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:48,812 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:14:48,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:48 BoogieIcfgContainer [2023-11-19 03:14:48,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:48,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:48,819 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:48,830 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:48,830 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:48" (1/1) ... [2023-11-19 03:14:48,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-19 03:14:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-19 03:14:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:14:48,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:48,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:49,022 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 03:14:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-19 03:14:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-19 03:14:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:14:49,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:49,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:49,207 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 03:14:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:49,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-19 03:14:49,238 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-19 03:14:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:14:49,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:49,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:49,299 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 03:14:49,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-19 03:14:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-19 03:14:49,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:14:49,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:49,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:49,356 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 03:14:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:49,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-19 03:14:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-19 03:14:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:14:49,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:49,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:49,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:14:49,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:49,471 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 03:14:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-19 03:14:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-19 03:14:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:14:49,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:49,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:49,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:14:49,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:49,768 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 03:14:49,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-19 03:14:49,884 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-19 03:14:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:14:49,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:49,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:49,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:14:49,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:49,981 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 03:14:50,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-11-19 03:14:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-19 03:14:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:14:50,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:50,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:50,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:14:50,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:50,137 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 03:14:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 49 transitions. [2023-11-19 03:14:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-19 03:14:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:14:50,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:50,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:14:50,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:50,379 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 03:14:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 56 transitions. [2023-11-19 03:14:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-11-19 03:14:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:14:50,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:50,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:50,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:14:50,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 76 transitions. [2023-11-19 03:14:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2023-11-19 03:14:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:14:51,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:51,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:51,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:14:51,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:51,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 90 transitions. [2023-11-19 03:14:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2023-11-19 03:14:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:14:51,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:51,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:51,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:14:51,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 30 states and 34 transitions. [2023-11-19 03:14:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-19 03:14:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:14:52,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:52,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:52,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:14:52,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 26 states and 29 transitions. [2023-11-19 03:14:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-19 03:14:52,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:14:52,882 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-11-19 03:14:52,891 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:14:53,028 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:53,032 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:14:53,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:14:53 ImpRootNode [2023-11-19 03:14:53,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:14:53,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:14:53,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:14:53,035 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:14:53,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:48" (3/4) ... [2023-11-19 03:14:53,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:14:53,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:14:53,047 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 03:14:53,048 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:14:53,049 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:14:53,052 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:14:53,167 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:14:53,167 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:14:53,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:14:53,168 INFO L158 Benchmark]: Toolchain (without parser) took 5166.64ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 145.1MB in the beginning and 129.0MB in the end (delta: 16.2MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-11-19 03:14:53,169 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:53,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.46ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 134.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:14:53,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.57ms. Allocated memory is still 176.2MB. Free memory was 134.7MB in the beginning and 133.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:53,170 INFO L158 Benchmark]: Boogie Preprocessor took 27.08ms. Allocated memory is still 176.2MB. Free memory was 133.4MB in the beginning and 132.5MB in the end (delta: 865.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:53,170 INFO L158 Benchmark]: RCFGBuilder took 471.03ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 137.6MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:14:53,171 INFO L158 Benchmark]: CodeCheck took 4213.64ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 137.6MB in the beginning and 134.1MB in the end (delta: 3.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-19 03:14:53,171 INFO L158 Benchmark]: Witness Printer took 133.63ms. Allocated memory is still 211.8MB. Free memory was 134.1MB in the beginning and 129.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:14:53,173 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 662 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 500 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 237 mSDsCounter, 241 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1089 IncrementalHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 241 mSolverCounterUnsat, 263 mSDtfsCounter, 1089 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1217 GetRequests, 1076 SyntacticMatches, 49 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4159 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 10 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 7/15 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: 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: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.46ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 134.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.57ms. Allocated memory is still 176.2MB. Free memory was 134.7MB in the beginning and 133.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.08ms. Allocated memory is still 176.2MB. Free memory was 133.4MB in the beginning and 132.5MB in the end (delta: 865.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 471.03ms. Allocated memory is still 176.2MB. Free memory was 132.5MB in the beginning and 137.6MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4213.64ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 137.6MB in the beginning and 134.1MB in the end (delta: 3.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Witness Printer took 133.63ms. Allocated memory is still 211.8MB. Free memory was 134.1MB in the beginning and 129.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:14:53,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd147368-1b06-4bae-9a4d-5c6ef4cfb9ff/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