./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.17.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_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/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_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/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_630392d6-d9db-4284-a225-9813cc26a1c5/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 c8ad5919f2c7d8d20fdeb64562e90991d5514131c2ca388368b0a2f7daf1fa4e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:31:36,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:31:36,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:31:36,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:31:36,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:31:36,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:31:36,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:31:36,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:31:36,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:31:36,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:31:36,659 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:31:36,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:31:36,660 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:31:36,660 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:31:36,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:31:36,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:31:36,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:31:36,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:31:36,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:31:36,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:31:36,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:31:36,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:31:36,661 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:31:36,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:31:36,661 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_630392d6-d9db-4284-a225-9813cc26a1c5/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 -> c8ad5919f2c7d8d20fdeb64562e90991d5514131c2ca388368b0a2f7daf1fa4e [2024-12-05 23:31:36,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:31:36,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:31:36,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:31:36,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:31:36,899 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:31:36,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/b.17.c [2024-12-05 23:31:39,508 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/data/84f630e83/b80a86ca5a2445c2818d02d0d5e34e5b/FLAG12f3c1dcc [2024-12-05 23:31:39,705 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:31:39,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/sv-benchmarks/c/termination-restricted-15/b.17.c [2024-12-05 23:31:39,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/data/84f630e83/b80a86ca5a2445c2818d02d0d5e34e5b/FLAG12f3c1dcc [2024-12-05 23:31:40,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/data/84f630e83/b80a86ca5a2445c2818d02d0d5e34e5b [2024-12-05 23:31:40,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:31:40,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:31:40,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:40,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:31:40,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:31:40,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734cb253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40, skipping insertion in model container [2024-12-05 23:31:40,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:31:40,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:31:40,197 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:31:40,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:31:40,215 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:31:40,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40 WrapperNode [2024-12-05 23:31:40,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:40,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:31:40,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:31:40,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:31:40,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,235 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-12-05 23:31:40,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:31:40,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:31:40,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:31:40,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:31:40,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,244 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:31:40,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:31:40,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:31:40,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:31:40,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:31:40,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:31:40,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:31:40,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:31:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:31:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:31:40,347 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:31:40,348 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:31:40,421 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-05 23:31:40,421 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:31:40,444 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:31:40,444 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:31:40,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:40 BoogieIcfgContainer [2024-12-05 23:31:40,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:31:40,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:31:40,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:31:40,453 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:31:40,454 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:40" (1/1) ... [2024-12-05 23:31:40,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:31:40,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 23:31:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 23:31:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:31:40,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:40,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:40,635 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 23:31:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:40,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 23:31:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 23:31:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:31:40,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:40,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:40,752 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 23:31:40,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-12-05 23:31:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-12-05 23:31:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:31:40,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:40,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:40,902 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 23:31:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2024-12-05 23:31:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-12-05 23:31:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:31:41,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:41,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:41,206 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 23:31:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2024-12-05 23:31:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2024-12-05 23:31:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:31:41,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:31:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:41,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-12-05 23:31:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-12-05 23:31:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:31:41,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:41,670 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 23:31:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2024-12-05 23:31:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-12-05 23:31:41,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:31:41,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:41,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:41,854 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 23:31:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-12-05 23:31:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-12-05 23:31:42,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:31:42,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:42,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:42,052 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 23:31:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-05 23:31:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-05 23:31:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:31:42,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:42,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:31:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2024-12-05 23:31:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-12-05 23:31:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:31:42,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:42,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:42,747 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 23:31:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2024-12-05 23:31:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2024-12-05 23:31:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:31:42,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:42,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:31:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 23:31:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 23:31:43,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:31:43,225 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-12-05 23:31:43,233 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 23:31:43,330 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-05 23:31:43,330 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:31:43,330 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-12-05 23:31:43,331 INFO L77 FloydHoareUtils]: At program point L13(lines 13 15) 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)) [2024-12-05 23:31:43,331 INFO L77 FloydHoareUtils]: At program point L13-2(lines 13 15) 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_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 23:31:43,331 INFO L77 FloydHoareUtils]: At program point L13-3(lines 13 15) 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| (+ |ULTIMATE.start_main_~z~0#1| 1)) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|))) [2024-12-05 23:31:43,331 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:31:43,331 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-05 23:31:43,331 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-12-05 23:31:43,331 INFO L77 FloydHoareUtils]: At program point L16(line 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| (+ |ULTIMATE.start_main_~z~0#1| 1))) [2024-12-05 23:31:43,332 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_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-05 23:31:43,332 INFO L77 FloydHoareUtils]: At program point L12-3(lines 12 17) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) (and (< |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1)) (< 2147483647 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483646))) [2024-12-05 23:31:43,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:31:43 ImpRootNode [2024-12-05 23:31:43,342 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:31:43,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:31:43,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:31:43,343 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:31:43,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:40" (3/4) ... [2024-12-05 23:31:43,345 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:31:43,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 23:31:43,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 23:31:43,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 23:31:43,407 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:31:43,407 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:31:43,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:31:43,408 INFO L158 Benchmark]: Toolchain (without parser) took 3329.86ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 88.8MB in the end (delta: 30.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-12-05 23:31:43,408 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:43,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 137.34ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 108.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:43,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.20ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.8MB in the end (delta: 776.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:43,409 INFO L158 Benchmark]: Boogie Preprocessor took 14.32ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.1MB in the end (delta: 477.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:43,409 INFO L158 Benchmark]: RCFGBuilder took 193.31ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 97.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:43,409 INFO L158 Benchmark]: CodeCheck took 2897.25ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 93.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-12-05 23:31:43,410 INFO L158 Benchmark]: Witness Printer took 64.36ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 88.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:43,411 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: 2.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1209 IncrementalHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 0 mSDtfsCounter, 1209 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 750 GetRequests, 631 SyntacticMatches, 29 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3236 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 12/15 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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: 12]: Loop Invariant Derived loop invariant: ((((0 <= (z + 2147483648)) && (x <= 2147483647)) && (y <= 2147483647)) || (((y < ((long) z + 1)) && (2147483647 < y)) && (x <= 2147483646))) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((((0 <= (z + 2147483648)) && (x <= 2147483647)) && (0 <= ((long) 2147483647 + x))) && (y <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 137.34ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 108.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.20ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.8MB in the end (delta: 776.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.32ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.1MB in the end (delta: 477.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 193.31ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 97.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2897.25ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 93.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 64.36ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 88.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:31:43,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630392d6-d9db-4284-a225-9813cc26a1c5/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