./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB7.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_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/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_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/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_380578a9-1e1f-4c48-850a-80f17287b291/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 0bb630e51a0a6d7663d0ae15d8f95579af707f3aaba51309e2f8a6818f848e50 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:56:01,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:56:01,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:56:01,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:56:01,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:56:01,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:56:01,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:56:01,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:56:01,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:56:01,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:56:01,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:56:01,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:56:01,607 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:56:01,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:56:01,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:56:01,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:56:01,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:56:01,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:56:01,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:56:01,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:56:01,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:56:01,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:56:01,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:56:01,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:56:01,608 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_380578a9-1e1f-4c48-850a-80f17287b291/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 -> 0bb630e51a0a6d7663d0ae15d8f95579af707f3aaba51309e2f8a6818f848e50 [2024-12-06 04:56:01,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:56:01,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:56:01,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:56:01,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:56:01,856 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:56:01,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/PastaB7.c [2024-12-06 04:56:04,492 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/data/971da5010/cc8baa8be9b04684b12fd223f53b6e4c/FLAGa180f6957 [2024-12-06 04:56:04,678 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:56:04,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/sv-benchmarks/c/termination-restricted-15/PastaB7.c [2024-12-06 04:56:04,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/data/971da5010/cc8baa8be9b04684b12fd223f53b6e4c/FLAGa180f6957 [2024-12-06 04:56:05,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/data/971da5010/cc8baa8be9b04684b12fd223f53b6e4c [2024-12-06 04:56:05,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:56:05,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:56:05,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:56:05,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:56:05,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:56:05,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f9e34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05, skipping insertion in model container [2024-12-06 04:56:05,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:56:05,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:56:05,172 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:56:05,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:56:05,190 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:56:05,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05 WrapperNode [2024-12-06 04:56:05,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:56:05,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:56:05,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:56:05,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:56:05,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,209 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-12-06 04:56:05,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:56:05,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:56:05,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:56:05,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:56:05,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,217 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:56:05,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:56:05,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:56:05,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:56:05,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:56:05,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:56:05,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:56:05,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:56:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:56:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:56:05,321 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:56:05,323 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:56:05,399 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 04:56:05,399 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:56:05,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:56:05,420 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:56:05,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:56:05 BoogieIcfgContainer [2024-12-06 04:56:05,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:56:05,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:56:05,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:56:05,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:56:05,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:56:05" (1/1) ... [2024-12-06 04:56:05,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:56:05,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-12-06 04:56:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-12-06 04:56:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:56:05,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:05,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:56:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:56:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 04:56:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 04:56:05,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:56:05,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:05,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:56:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:05,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:56:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-12-06 04:56:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-12-06 04:56:05,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:56:05,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:05,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:56:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:56:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-12-06 04:56:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-12-06 04:56:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:56:06,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:06,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:56:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:56:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2024-12-06 04:56:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-12-06 04:56:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:56:06,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:06,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:56:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:56:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-12-06 04:56:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-12-06 04:56:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:56:06,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:56:06,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:56:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:56:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:56:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:56:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-12-06 04:56:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-12-06 04:56:07,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:56:07,149 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 04:56:07,158 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 04:56:07,193 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 04:56:07,193 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:56:07,194 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-06 04:56:07,194 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-06 04:56:07,194 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-06 04:56:07,194 INFO L77 FloydHoareUtils]: At program point L13-1(lines 13 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-06 04:56:07,194 INFO L77 FloydHoareUtils]: At program point L13-3(lines 13 16) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-06 04:56:07,194 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:56:07,195 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 04:56:07,195 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-06 04:56:07,195 INFO L77 FloydHoareUtils]: At program point L14(line 14) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-06 04:56:07,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:56:07 ImpRootNode [2024-12-06 04:56:07,207 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:56:07,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:56:07,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:56:07,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:56:07,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:56:05" (3/4) ... [2024-12-06 04:56:07,210 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:56:07,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 04:56:07,217 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 04:56:07,217 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 04:56:07,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:56:07,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:56:07,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:56:07,288 INFO L158 Benchmark]: Toolchain (without parser) took 2233.62ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.2MB in the end (delta: 11.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-06 04:56:07,289 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:07,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.51ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 109.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:56:07,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.34ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:07,289 INFO L158 Benchmark]: Boogie Preprocessor took 13.31ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.7MB in the end (delta: 569.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:07,290 INFO L158 Benchmark]: RCFGBuilder took 196.69ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 97.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:56:07,290 INFO L158 Benchmark]: CodeCheck took 1785.27ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 112.4MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:07,290 INFO L158 Benchmark]: Witness Printer took 80.31ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 108.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:56:07,292 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 0 mSDtfsCounter, 340 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 231 SyntacticMatches, 10 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4/5 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: 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: 13]: Loop Invariant Derived loop invariant: (((0 <= (z + 2147483648)) && (x <= 2147483647)) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.51ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 109.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.34ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.31ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.7MB in the end (delta: 569.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 196.69ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 97.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1785.27ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 112.4MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.31ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 108.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 04:56:07,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380578a9-1e1f-4c48-850a-80f17287b291/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