./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70e9192ed98be1c98a98d704655daf2c23fe89411c7a078d7ff71796ac189400 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:05:06,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:05:06,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:05:06,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:05:06,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:05:06,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:05:06,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:05:06,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:05:06,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:05:06,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:05:06,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:05:06,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:05:06,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:05:06,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:05:06,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:05:06,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:05:06,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:05:06,337 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:05:06,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:05:06,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:05:06,337 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:05:06,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:05:06,338 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:05:06,338 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:05:06,338 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:05:06,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:05:06,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:05:06,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:05:06,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:05:06,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:05:06,339 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:05:06,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:05:06,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70e9192ed98be1c98a98d704655daf2c23fe89411c7a078d7ff71796ac189400 [2024-11-25 05:05:06,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:05:06,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:05:06,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:05:06,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:05:06,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:05:06,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c [2024-11-25 05:05:09,932 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/data/48311eb46/d22dd2d0b6954e4f9a34980525e8dde2/FLAGe01f64d5a [2024-11-25 05:05:10,192 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:05:10,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c [2024-11-25 05:05:10,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/data/48311eb46/d22dd2d0b6954e4f9a34980525e8dde2/FLAGe01f64d5a [2024-11-25 05:05:10,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/data/48311eb46/d22dd2d0b6954e4f9a34980525e8dde2 [2024-11-25 05:05:10,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:05:10,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:05:10,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:05:10,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:05:10,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:05:10,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dceff16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10, skipping insertion in model container [2024-11-25 05:05:10,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:05:10,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:05:10,472 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:05:10,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:05:10,508 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:05:10,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10 WrapperNode [2024-11-25 05:05:10,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:05:10,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:05:10,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:05:10,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:05:10,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,547 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-25 05:05:10,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:05:10,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:05:10,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:05:10,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:05:10,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,562 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:05:10,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:05:10,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:05:10,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:05:10,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:05:10,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:05:10,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:05:10,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:05:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:05:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:05:10,745 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:05:10,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:05:10,877 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 05:05:10,877 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:05:10,936 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:05:10,936 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:05:10,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:10 BoogieIcfgContainer [2024-11-25 05:05:10,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:05:10,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:05:10,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:05:10,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:05:10,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:10" (1/1) ... [2024-11-25 05:05:10,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:05:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-25 05:05:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-25 05:05:11,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:05:11,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:11,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:05:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:05:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 05:05:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 05:05:11,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:05:11,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:11,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:05:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:05:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-25 05:05:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 05:05:11,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:05:11,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:11,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:05:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:05:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:12,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 05:05:12,036 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 05:05:12,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:05:12,037 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-25 05:05:12,050 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 05:05:12,150 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-11-25 05:05:12,150 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:05:12,150 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (< 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2024-11-25 05:05:12,151 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-25 05:05:12,151 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:05:12,151 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 13 29) the Hoare annotation is: true [2024-11-25 05:05:12,151 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2024-11-25 05:05:12,151 INFO L77 FloydHoareUtils]: At program point L22-2(lines 19 27) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) (or (and (<= .cse0 0) (= |ULTIMATE.start_main_~b~0#1| 0)) (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (< 0 .cse0)))) [2024-11-25 05:05:12,151 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-11-25 05:05:12,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:05:12 ImpRootNode [2024-11-25 05:05:12,173 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:05:12,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:05:12,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:05:12,175 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:05:12,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:05:10" (3/4) ... [2024-11-25 05:05:12,179 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:05:12,188 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-25 05:05:12,190 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:05:12,191 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 05:05:12,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:05:12,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:05:12,295 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:05:12,299 INFO L158 Benchmark]: Toolchain (without parser) took 2071.41ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 38.5MB in the end (delta: 54.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 05:05:12,299 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:05:12,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.16ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:05:12,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.12ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 997.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:05:12,302 INFO L158 Benchmark]: Boogie Preprocessor took 27.33ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.7MB in the end (delta: 566.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:05:12,302 INFO L158 Benchmark]: RCFGBuilder took 361.93ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:05:12,303 INFO L158 Benchmark]: CodeCheck took 1233.56ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 42.9MB in the end (delta: 28.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:05:12,304 INFO L158 Benchmark]: Witness Printer took 121.66ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 38.5MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:05:12,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 6 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((((x + 2147483648) <= 0) && (b == 0)) || ((x <= 2147483647) && (0 < (x + 2147483648)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.16ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 83.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.12ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 997.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.33ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.7MB in the end (delta: 566.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.93ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 71.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1233.56ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 42.9MB in the end (delta: 28.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 121.66ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 38.5MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:05:12,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee045839-0935-458e-8327-dd5939217b31/bin/ukojak-verify-ENZ3QT5qd3/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