./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/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_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/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_87ccfa81-28de-4ced-8ca5-3a576d5434ec/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 5ee8036e2d674497ff23bc3ed2316854be1442f7a1dd6897d55977d8700d5402 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:44:35,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:44:35,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:44:35,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:44:35,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:44:35,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:44:35,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:44:35,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:44:35,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:44:35,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:44:35,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:44:35,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:44:35,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:44:35,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:44:35,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:44:35,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:44:35,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:44:35,280 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:44:35,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:44:35,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:44:35,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:44:35,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:44:35,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:44:35,283 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:44:35,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:44:35,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:44:35,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:44:35,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:44:35,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:44:35,285 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:44:35,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:44:35,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:44:35,287 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_87ccfa81-28de-4ced-8ca5-3a576d5434ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ee8036e2d674497ff23bc3ed2316854be1442f7a1dd6897d55977d8700d5402 [2023-12-03 04:44:35,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:44:35,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:44:35,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:44:35,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:44:35,537 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:44:35,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2023-12-03 04:44:38,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:44:38,526 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:44:38,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2023-12-03 04:44:38,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/data/43613f1d0/bdfc04767f8a431ea43d09b0f95580c2/FLAGbe248cd79 [2023-12-03 04:44:38,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/data/43613f1d0/bdfc04767f8a431ea43d09b0f95580c2 [2023-12-03 04:44:38,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:44:38,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:44:38,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:44:38,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:44:38,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:44:38,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e8fdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38, skipping insertion in model container [2023-12-03 04:44:38,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:44:38,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:44:38,691 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:44:38,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:44:38,711 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:44:38,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38 WrapperNode [2023-12-03 04:44:38,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:44:38,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:44:38,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:44:38,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:44:38,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,733 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2023-12-03 04:44:38,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:44:38,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:44:38,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:44:38,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:44:38,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:44:38,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:44:38,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:44:38,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:44:38,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:44:38,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:44:38,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:44:38,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:44:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:44:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:44:38,868 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:44:38,870 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:44:38,928 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:44:38,953 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:44:38,953 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:44:38,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:44:38 BoogieIcfgContainer [2023-12-03 04:44:38,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:44:38,956 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:44:38,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:44:38,964 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:44:38,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:44:38" (1/1) ... [2023-12-03 04:44:38,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:44:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-12-03 04:44:39,031 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-12-03 04:44:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:44:39,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:39,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:39,166 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 04:44:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 04:44:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 04:44:39,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:44:39,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:39,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:39,229 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 04:44:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2023-12-03 04:44:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2023-12-03 04:44:39,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:44:39,295 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-12-03 04:44:39,304 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-03 04:44:39,317 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 04:44:39,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:44:39 ImpRootNode [2023-12-03 04:44:39,323 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:44:39,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:44:39,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:44:39,324 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:44:39,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:44:38" (3/4) ... [2023-12-03 04:44:39,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:44:39,333 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 04:44:39,334 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 04:44:39,334 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-03 04:44:39,416 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:44:39,417 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:44:39,417 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:44:39,418 INFO L158 Benchmark]: Toolchain (without parser) took 866.80ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 78.9MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 04:44:39,418 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:44:39,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.51ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 110.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:44:39,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.22ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 108.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:44:39,419 INFO L158 Benchmark]: Boogie Preprocessor took 13.43ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 108.2MB in the end (delta: 498.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:44:39,420 INFO L158 Benchmark]: RCFGBuilder took 207.40ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 99.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:44:39,421 INFO L158 Benchmark]: CodeCheck took 366.98ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 83.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:44:39,421 INFO L158 Benchmark]: Witness Printer took 93.12ms. Allocated memory is still 151.0MB. Free memory was 83.1MB in the beginning and 78.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:44:39,424 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: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 4 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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: 16]: Loop Invariant Derived loop invariant: (y <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.51ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 110.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.22ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 108.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.43ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 108.2MB in the end (delta: 498.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 207.40ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 99.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 366.98ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 83.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 93.12ms. Allocated memory is still 151.0MB. Free memory was 83.1MB in the beginning and 78.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:44:39,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ccfa81-28de-4ced-8ca5-3a576d5434ec/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