./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/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_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/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_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/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 f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:25:00,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:25:00,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:25:00,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:25:00,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:25:00,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:25:00,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:25:00,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:25:00,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:25:00,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:25:00,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:25:00,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:25:00,287 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:25:00,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:25:00,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:25:00,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:25:00,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:25:00,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:25:00,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:25:00,291 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:25:00,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:25:00,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:25:00,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:25:00,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:25:00,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:25:00,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:25:00,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:25:00,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:25:00,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:25:00,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:25:00,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:25:00,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:25:00,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:25:00,296 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_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2c97cfaf178ecbb63eaaf825cd5ea4b5be1bf37ecd5b20cf7e400328e1cd168 [2023-12-03 02:25:00,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:25:00,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:25:00,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:25:00,557 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:25:00,558 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:25:00,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2023-12-03 02:25:03,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:25:03,498 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:25:03,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2023-12-03 02:25:03,507 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/data/3d7c8aa41/1917a1b469e54eae9e3ba7900a8c6128/FLAG5b1c8df22 [2023-12-03 02:25:03,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/data/3d7c8aa41/1917a1b469e54eae9e3ba7900a8c6128 [2023-12-03 02:25:03,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:25:03,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:25:03,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:25:03,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:25:03,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:25:03,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed1155b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03, skipping insertion in model container [2023-12-03 02:25:03,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:25:03,717 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_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2023-12-03 02:25:03,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:25:03,744 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:25:03,758 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_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2023-12-03 02:25:03,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:25:03,779 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:25:03,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03 WrapperNode [2023-12-03 02:25:03,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:25:03,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:25:03,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:25:03,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:25:03,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,815 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-12-03 02:25:03,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:25:03,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:25:03,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:25:03,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:25:03,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:25:03,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:25:03,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:25:03,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:25:03,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:25:03" (1/1) ... [2023-12-03 02:25:03,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:25:03,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:25:03,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:25:03,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:25:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:25:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:25:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:25:03,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:25:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:25:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:25:03,984 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:25:03,987 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:25:04,119 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:25:04,156 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:25:04,156 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:25:04,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:25:04 BoogieIcfgContainer [2023-12-03 02:25:04,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:25:04,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:25:04,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:25:04,171 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:25:04,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:25:04" (1/1) ... [2023-12-03 02:25:04,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:25:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-03 02:25:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-03 02:25:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:25:04,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:04,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:25:04,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 02:25:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 02:25:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:25:04,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:04,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:04,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:25:04,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:04,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-03 02:25:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-03 02:25:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:25:04,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:04,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:04,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:04,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-03 02:25:04,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-03 02:25:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:25:04,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:04,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:04,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:25:04,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-12-03 02:25:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-12-03 02:25:05,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:25:05,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:05,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:05,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:05,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2023-12-03 02:25:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2023-12-03 02:25:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:25:05,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:05,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:05,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:25:05,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-12-03 02:25:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-12-03 02:25:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:25:06,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:06,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:06,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:25:06,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2023-12-03 02:25:07,686 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2023-12-03 02:25:07,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:25:07,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:07,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:07,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:25:07,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2023-12-03 02:25:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-12-03 02:25:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:25:07,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:07,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:25:08,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 02:25:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:08,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-12-03 02:25:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-12-03 02:25:08,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:25:08,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:08,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:08,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:25:08,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:25:09,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:09,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2023-12-03 02:25:09,506 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2023-12-03 02:25:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:25:09,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:09,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:09,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:25:09,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-12-03 02:25:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-12-03 02:25:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:25:10,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:25:10,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:25:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:25:10,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:25:10,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:25:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:25:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:25:12,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 26 states and 32 transitions. [2023-12-03 02:25:12,272 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-12-03 02:25:12,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:25:12,272 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-03 02:25:12,280 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:25:12,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:25:12,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:25:12,432 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-12-03 02:25:12,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:25:12 ImpRootNode [2023-12-03 02:25:12,437 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:25:12,438 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:25:12,438 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:25:12,438 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:25:12,439 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:25:04" (3/4) ... [2023-12-03 02:25:12,440 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:25:12,443 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 02:25:12,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 02:25:12,447 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 02:25:12,447 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:25:12,447 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:25:12,524 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:25:12,525 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:25:12,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:25:12,526 INFO L158 Benchmark]: Toolchain (without parser) took 8998.79ms. Allocated memory is still 165.7MB. Free memory was 134.0MB in the beginning and 57.7MB in the end (delta: 76.4MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2023-12-03 02:25:12,526 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:25:12,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.83ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 123.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:25:12,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.89ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:25:12,528 INFO L158 Benchmark]: Boogie Preprocessor took 23.48ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 120.5MB in the end (delta: 941.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:25:12,528 INFO L158 Benchmark]: RCFGBuilder took 317.79ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 108.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:25:12,529 INFO L158 Benchmark]: CodeCheck took 8277.67ms. Allocated memory is still 165.7MB. Free memory was 108.5MB in the beginning and 62.9MB in the end (delta: 45.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-12-03 02:25:12,529 INFO L158 Benchmark]: Witness Printer took 87.42ms. Allocated memory is still 165.7MB. Free memory was 61.9MB in the beginning and 57.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:25:12,532 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 604 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 249 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 400 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1397 IncrementalHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 400 mSolverCounterUnsat, 259 mSDtfsCounter, 1397 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1377 GetRequests, 1186 SyntacticMatches, 35 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10491 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 535 SizeOfPredicates, 13 NumberOfNonLiveVariables, 644 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 25/31 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: 21]: 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: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((b == 1) && (0 <= counter)) && (counter <= 0)) && (q == 0)) && (A == r)) && (B == 1)) || (((((0 < counter) && (1 <= (r % 4294967296))) && (q == 0)) && (A == r)) && (2 == b))) || (((1 < counter) && (q == 0)) && (A == r))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.83ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 123.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.89ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.48ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 120.5MB in the end (delta: 941.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.79ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 108.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8277.67ms. Allocated memory is still 165.7MB. Free memory was 108.5MB in the beginning and 62.9MB in the end (delta: 45.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 87.42ms. Allocated memory is still 165.7MB. Free memory was 61.9MB in the beginning and 57.7MB 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 02:25:12,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bae6d39-77cb-4c33-858d-45bcfe00b9ea/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