./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/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_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9 --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 8c2916cfd8b9eac84aed1a0200b7c85f98fa5a73eb26a0e552578a292fc3c330 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:29:04,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:29:04,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:29:04,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:29:04,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:29:04,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:29:04,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:29:04,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:29:04,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:29:04,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:29:04,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:29:04,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:29:04,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:29:04,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:29:04,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:29:04,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:29:04,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:29:04,469 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:29:04,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:29:04,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:29:04,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:29:04,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:29:04,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:29:04,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:29:04,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:29:04,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:29:04,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:29:04,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:29:04,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:29:04,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:29:04,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:29:04,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:29:04,477 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_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c2916cfd8b9eac84aed1a0200b7c85f98fa5a73eb26a0e552578a292fc3c330 [2023-12-03 02:29:04,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:29:04,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:29:04,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:29:04,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:29:04,730 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:29:04,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-restricted-15/PastaB1.c [2023-12-03 02:29:07,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:29:07,662 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:29:07,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/sv-benchmarks/c/termination-restricted-15/PastaB1.c [2023-12-03 02:29:07,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/data/8ed41e477/cee7f89ab56242f29453d4fa371e9bfa/FLAGffa5299ce [2023-12-03 02:29:07,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/data/8ed41e477/cee7f89ab56242f29453d4fa371e9bfa [2023-12-03 02:29:07,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:29:07,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:29:07,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:29:07,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:29:07,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:29:07,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787bf2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07, skipping insertion in model container [2023-12-03 02:29:07,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:29:07,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:29:07,868 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:29:07,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:29:07,895 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:29:07,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07 WrapperNode [2023-12-03 02:29:07,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:29:07,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:29:07,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:29:07,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:29:07,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,924 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-12-03 02:29:07,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:29:07,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:29:07,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:29:07,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:29:07,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:29:07,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:29:07,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:29:07,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:29:07,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:07" (1/1) ... [2023-12-03 02:29:07,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:29:07,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:29:07,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:29:07,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:29:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:29:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:29:08,099 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:29:08,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:29:08,164 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:29:08,191 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:29:08,191 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:29:08,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:29:08 BoogieIcfgContainer [2023-12-03 02:29:08,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:29:08,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:29:08,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:29:08,205 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:29:08,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:29:08" (1/1) ... [2023-12-03 02:29:08,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:29:08,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-12-03 02:29:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-12-03 02:29:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 02:29:08,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:08,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:08,433 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 02:29:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 02:29:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 02:29:08,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:29:08,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:08,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:08,525 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 02:29:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-12-03 02:29:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-12-03 02:29:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:29:08,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:08,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:29:08,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:29:08,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2023-12-03 02:29:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2023-12-03 02:29:08,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:29:08,824 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 02:29:08,832 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-03 02:29:08,849 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-12-03 02:29:08,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:29:08 ImpRootNode [2023-12-03 02:29:08,855 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:29:08,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:29:08,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:29:08,856 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:29:08,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:29:08" (3/4) ... [2023-12-03 02:29:08,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:29:08,864 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 02:29:08,865 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 02:29:08,865 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-03 02:29:08,935 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:29:08,935 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:29:08,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:29:08,936 INFO L158 Benchmark]: Toolchain (without parser) took 1250.93ms. Allocated memory is still 148.9MB. Free memory was 109.1MB in the beginning and 95.0MB in the end (delta: 14.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-12-03 02:29:08,936 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:29:08,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.58ms. Allocated memory is still 148.9MB. Free memory was 109.1MB in the beginning and 99.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:29:08,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.69ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 98.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:29:08,938 INFO L158 Benchmark]: Boogie Preprocessor took 18.42ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 97.6MB in the end (delta: 923.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:29:08,938 INFO L158 Benchmark]: RCFGBuilder took 248.65ms. Allocated memory is still 148.9MB. Free memory was 97.6MB in the beginning and 88.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:29:08,939 INFO L158 Benchmark]: CodeCheck took 660.62ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 99.2MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:29:08,939 INFO L158 Benchmark]: Witness Printer took 79.52ms. Allocated memory is still 148.9MB. Free memory was 99.2MB in the beginning and 95.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:29:08,942 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 0 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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 - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: 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: 11]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (0 <= (y + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.58ms. Allocated memory is still 148.9MB. Free memory was 109.1MB in the beginning and 99.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.69ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 98.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.42ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 97.6MB in the end (delta: 923.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.65ms. Allocated memory is still 148.9MB. Free memory was 97.6MB in the beginning and 88.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 660.62ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 99.2MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.52ms. Allocated memory is still 148.9MB. Free memory was 99.2MB in the beginning and 95.0MB 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 02:29:08,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c770d-9bca-44cb-92c3-6ac72eb0c8ac/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