./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.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_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b --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 4cf25ea48272ba4463d41281066a1cec5687f4083cfa8522d5a9622c6308689c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:39:17,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:39:17,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:39:17,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:39:17,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:39:17,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:39:17,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:39:17,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:39:17,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:39:17,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:39:17,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:39:17,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:39:17,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:39:17,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:39:17,256 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:39:17,256 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:39:17,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:39:17,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:39:17,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:39:17,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:39:17,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:39:17,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:39:17,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:39:17,257 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_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b 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 -> 4cf25ea48272ba4463d41281066a1cec5687f4083cfa8522d5a9622c6308689c [2024-12-05 22:39:17,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:39:17,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:39:17,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:39:17,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:39:17,500 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:39:17,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2024-12-05 22:39:20,192 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/data/d69664297/0a30f48c147942baa456262d59e136f0/FLAG97e82646b [2024-12-05 22:39:20,400 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:39:20,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2024-12-05 22:39:20,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/data/d69664297/0a30f48c147942baa456262d59e136f0/FLAG97e82646b [2024-12-05 22:39:20,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/data/d69664297/0a30f48c147942baa456262d59e136f0 [2024-12-05 22:39:20,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:39:20,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:39:20,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:39:20,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:39:20,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:39:20,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22087186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20, skipping insertion in model container [2024-12-05 22:39:20,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:39:20,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:39:20,549 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:39:20,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:39:20,567 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:39:20,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20 WrapperNode [2024-12-05 22:39:20,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:39:20,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:39:20,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:39:20,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:39:20,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,589 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-12-05 22:39:20,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:39:20,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:39:20,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:39:20,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:39:20,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,597 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:39:20,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:39:20,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:39:20,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:39:20,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:39:20,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:39:20,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:39:20,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:39:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:39:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:39:20,714 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:39:20,716 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:39:20,784 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 22:39:20,784 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:39:20,808 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:39:20,808 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:39:20,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:39:20 BoogieIcfgContainer [2024-12-05 22:39:20,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:39:20,809 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:39:20,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:39:20,819 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:39:20,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:39:20" (1/1) ... [2024-12-05 22:39:20,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:39:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 22:39:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 22:39:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:39:20,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:20,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:21,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-05 22:39:21,040 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-05 22:39:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:39:21,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-12-05 22:39:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-12-05 22:39:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:39:21,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 22:39:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 22:39:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:39:21,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 22:39:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 22:39:21,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:39:21,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:21,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-05 22:39:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-05 22:39:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:39:21,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:39:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 22:39:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 22:39:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:39:21,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-05 22:39:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-05 22:39:21,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:39:21,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:39:21,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-12-05 22:39:21,946 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-12-05 22:39:21,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:39:21,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:21,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:39:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:22,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-12-05 22:39:22,431 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-12-05 22:39:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:39:22,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:22,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:39:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-05 22:39:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-05 22:39:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:39:22,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:22,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:39:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-05 22:39:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-05 22:39:22,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:39:22,711 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-12-05 22:39:22,719 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 22:39:22,897 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-12-05 22:39:22,897 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:39:22,897 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-12-05 22:39:22,897 INFO L77 FloydHoareUtils]: At program point L19-1(lines 19 21) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 1073741823)) (.cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 2) (< 1 |ULTIMATE.start_main_~y~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1073741822) (< 2 |ULTIMATE.start_main_~y~0#1|)) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)))) [2024-12-05 22:39:22,897 INFO L77 FloydHoareUtils]: At program point L19-3(lines 19 21) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 1073741823) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 1 |ULTIMATE.start_main_~y~0#1|)) [2024-12-05 22:39:22,898 INFO L77 FloydHoareUtils]: At program point L19-4(lines 19 21) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) [2024-12-05 22:39:22,898 INFO L77 FloydHoareUtils]: At program point L17-3(lines 17 23) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-05 22:39:22,898 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:39:22,898 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-12-05 22:39:22,898 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-12-05 22:39:22,898 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2024-12-05 22:39:22,898 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~x~0#1| 1073741823)) (.cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 2) (< 1 |ULTIMATE.start_main_~y~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 1073741822) (< 2 |ULTIMATE.start_main_~y~0#1|)) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)))) [2024-12-05 22:39:22,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:39:22 ImpRootNode [2024-12-05 22:39:22,909 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:39:22,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:39:22,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:39:22,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:39:22,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:39:20" (3/4) ... [2024-12-05 22:39:22,912 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:39:22,917 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 22:39:22,918 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 22:39:22,918 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 22:39:22,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:39:22,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:39:22,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:39:22,991 INFO L158 Benchmark]: Toolchain (without parser) took 2565.39ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 90.1MB in the end (delta: 28.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-12-05 22:39:22,991 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:39:22,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 140.70ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 108.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:39:22,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.57ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.1MB in the end (delta: 983.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:39:22,992 INFO L158 Benchmark]: Boogie Preprocessor took 11.39ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 576.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:39:22,992 INFO L158 Benchmark]: RCFGBuilder took 206.94ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.2MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:39:22,993 INFO L158 Benchmark]: CodeCheck took 2099.07ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-12-05 22:39:22,993 INFO L158 Benchmark]: Witness Printer took 81.33ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 90.1MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:39:22,995 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 289 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1008 IncrementalHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 232 mSolverCounterUnsat, 11 mSDtfsCounter, 1008 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 654 SyntacticMatches, 36 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 37/50 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (x <= 2147483647) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((x <= 1073741823) && (0 <= x)) && (1 <= y)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 140.70ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 108.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.57ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.1MB in the end (delta: 983.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.39ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 576.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 206.94ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.2MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2099.07ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 81.33ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 90.1MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:39:23,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f09e09b-2a30-42cc-9334-1f76ae82b039/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE