./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:22:40,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:22:40,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:22:40,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:22:40,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:22:40,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:22:40,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:22:40,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:22:40,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:22:40,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:22:40,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:22:40,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:22:40,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:22:40,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:22:40,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:22:40,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:22:40,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:22:40,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:22:40,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:22:40,236 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:22:40,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:22:40,237 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:22:40,238 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:22:40,238 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:22:40,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:22:40,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:22:40,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:40,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:22:40,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:22:40,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:22:40,241 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:22:40,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:22:40,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:22:40,242 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_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 [2023-12-03 00:22:40,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:22:40,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:22:40,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:22:40,488 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:22:40,488 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:22:40,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2023-12-03 00:22:43,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:22:43,381 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:22:43,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2023-12-03 00:22:43,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/data/00fe408d1/df53f581013743f2b84ef1e051ba9ea2/FLAG41699d83a [2023-12-03 00:22:43,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/data/00fe408d1/df53f581013743f2b84ef1e051ba9ea2 [2023-12-03 00:22:43,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:22:43,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:22:43,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:43,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:22:43,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:22:43,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f087e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43, skipping insertion in model container [2023-12-03 00:22:43,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:22:43,553 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c[597,610] [2023-12-03 00:22:43,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:43,579 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:22:43,591 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c[597,610] [2023-12-03 00:22:43,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:43,609 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:22:43,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43 WrapperNode [2023-12-03 00:22:43,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:43,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:22:43,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:22:43,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:22:43,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,637 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-12-03 00:22:43,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:22:43,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:22:43,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:22:43,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:22:43,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:22:43,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:22:43,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:22:43,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:22:43,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:43,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:22:43,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:22:43,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:22:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:22:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:22:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:22:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:22:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:22:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:22:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:22:43,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:22:43,771 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:22:43,773 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:22:43,893 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:22:43,938 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:22:43,938 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:22:43,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:43 BoogieIcfgContainer [2023-12-03 00:22:43,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:22:43,941 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:22:43,941 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:22:43,948 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:22:43,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:43" (1/1) ... [2023-12-03 00:22:43,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:22:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-12-03 00:22:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-03 00:22:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:22:44,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:44,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:44,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:22:44,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:22:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:44,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-12-03 00:22:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-12-03 00:22:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:22:44,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:44,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:44,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:22:44,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:22:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2023-12-03 00:22:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-12-03 00:22:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:22:44,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:44,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:45,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 00:22:45,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:22:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 59 transitions. [2023-12-03 00:22:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2023-12-03 00:22:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:22:47,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:47,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:47,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 00:22:47,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:22:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 72 transitions. [2023-12-03 00:22:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2023-12-03 00:22:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:22:49,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:49,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:49,714 WARN L260 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 00:22:49,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:22:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 81 transitions. [2023-12-03 00:22:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2023-12-03 00:22:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:22:53,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:53,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 00:22:53,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:22:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 94 transitions. [2023-12-03 00:22:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-12-03 00:22:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:22:56,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:56,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:56,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 00:22:56,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:22:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 90 transitions. [2023-12-03 00:22:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2023-12-03 00:22:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:22:57,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:57,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:57,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-03 00:22:57,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:23:06,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:23:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 50 states and 104 transitions. [2023-12-03 00:23:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2023-12-03 00:23:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:23:06,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:06,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:23:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:06,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 00:23:06,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 00:23:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 54 states and 118 transitions. [2023-12-03 00:23:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 118 transitions. [2023-12-03 00:23:11,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:23:11,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:11,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:23:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:12,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:23:12,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 00:23:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 55 states and 119 transitions. [2023-12-03 00:23:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 119 transitions. [2023-12-03 00:23:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:23:13,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:13,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:23:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:13,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:23:13,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 00:23:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 120 transitions. [2023-12-03 00:23:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 120 transitions. [2023-12-03 00:23:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:23:14,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:14,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:23:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:14,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 00:23:14,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 00:23:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 34 states and 48 transitions. [2023-12-03 00:23:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2023-12-03 00:23:16,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:23:16,556 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-03 00:23:16,562 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 00:23:17,359 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:23:17,362 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:23:17,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:23:17 ImpRootNode [2023-12-03 00:23:17,362 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:23:17,363 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:23:17,363 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:23:17,363 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:23:17,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:43" (3/4) ... [2023-12-03 00:23:17,364 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:23:17,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 00:23:17,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 00:23:17,370 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-12-03 00:23:17,370 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 00:23:17,370 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:23:17,370 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:23:17,452 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:23:17,453 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:23:17,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:23:17,454 INFO L158 Benchmark]: Toolchain (without parser) took 34051.31ms. Allocated memory was 203.4MB in the beginning and 358.6MB in the end (delta: 155.2MB). Free memory was 170.2MB in the beginning and 243.9MB in the end (delta: -73.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2023-12-03 00:23:17,454 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:23:17,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.04ms. Allocated memory is still 203.4MB. Free memory was 170.2MB in the beginning and 158.8MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:23:17,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.95ms. Allocated memory is still 203.4MB. Free memory was 158.8MB in the beginning and 157.9MB in the end (delta: 814.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:23:17,456 INFO L158 Benchmark]: Boogie Preprocessor took 15.85ms. Allocated memory is still 203.4MB. Free memory was 157.9MB in the beginning and 156.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:23:17,456 INFO L158 Benchmark]: RCFGBuilder took 286.47ms. Allocated memory is still 203.4MB. Free memory was 156.7MB in the beginning and 143.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:23:17,457 INFO L158 Benchmark]: CodeCheck took 33421.31ms. Allocated memory was 203.4MB in the beginning and 358.6MB in the end (delta: 155.2MB). Free memory was 143.3MB in the beginning and 248.1MB in the end (delta: -104.8MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-12-03 00:23:17,457 INFO L158 Benchmark]: Witness Printer took 90.53ms. Allocated memory is still 358.6MB. Free memory was 248.1MB in the beginning and 243.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:23:17,460 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 836 SdHoareTripleChecker+Valid, 26.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 293 SdHoareTripleChecker+Invalid, 25.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 818 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2890 IncrementalHoareTripleChecker+Invalid, 3708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 818 mSolverCounterUnsat, 251 mSDtfsCounter, 2890 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3925 GetRequests, 3645 SyntacticMatches, 104 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14144 ImplicationChecksByTransitivity, 21.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 373 ConstructedInterpolants, 1 QuantifiedInterpolants, 5601 SizeOfPredicates, 75 NumberOfNonLiveVariables, 1229 ConjunctsInSsa, 353 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 244/359 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: 16]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.04ms. Allocated memory is still 203.4MB. Free memory was 170.2MB in the beginning and 158.8MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.95ms. Allocated memory is still 203.4MB. Free memory was 158.8MB in the beginning and 157.9MB in the end (delta: 814.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.85ms. Allocated memory is still 203.4MB. Free memory was 157.9MB in the beginning and 156.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.47ms. Allocated memory is still 203.4MB. Free memory was 156.7MB in the beginning and 143.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 33421.31ms. Allocated memory was 203.4MB in the beginning and 358.6MB in the end (delta: 155.2MB). Free memory was 143.3MB in the beginning and 248.1MB in the end (delta: -104.8MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Witness Printer took 90.53ms. Allocated memory is still 358.6MB. Free memory was 248.1MB in the beginning and 243.9MB 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! [2023-12-03 00:23:17,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1714b1cf-327b-43b2-84ad-3d840a630f15/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE