./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.15.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_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/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_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/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_0bda4a59-6093-46ca-b81e-408ed79cd8b6/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 d693c7724c0ebfe8b27134a216c04efa168e4ab88e5a919a5ed127ebb533f08a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:25:30,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:25:30,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:25:30,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:25:30,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:25:30,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:25:30,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:25:30,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:25:30,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:25:30,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:25:30,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:25:30,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:25:30,418 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:25:30,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:25:30,418 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:25:30,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:25:30,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:25:30,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:25:30,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:25:30,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:25:30,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:25:30,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:25:30,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:25:30,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:25:30,419 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_0bda4a59-6093-46ca-b81e-408ed79cd8b6/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 -> d693c7724c0ebfe8b27134a216c04efa168e4ab88e5a919a5ed127ebb533f08a [2024-12-06 02:25:30,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:25:30,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:25:30,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:25:30,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:25:30,663 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:25:30,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-restricted-15/b.15.c [2024-12-06 02:25:33,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/data/66d6438d9/e1ce0f7b862e4ea4a2465fbadf37dbf4/FLAG738ed97f8 [2024-12-06 02:25:33,475 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:25:33,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/sv-benchmarks/c/termination-restricted-15/b.15.c [2024-12-06 02:25:33,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/data/66d6438d9/e1ce0f7b862e4ea4a2465fbadf37dbf4/FLAG738ed97f8 [2024-12-06 02:25:33,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/data/66d6438d9/e1ce0f7b862e4ea4a2465fbadf37dbf4 [2024-12-06 02:25:33,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:25:33,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:25:33,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:25:33,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:25:33,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:25:33,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f52d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33, skipping insertion in model container [2024-12-06 02:25:33,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:25:33,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:25:33,652 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:25:33,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:25:33,675 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:25:33,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33 WrapperNode [2024-12-06 02:25:33,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:25:33,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:25:33,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:25:33,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:25:33,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,698 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-12-06 02:25:33,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:25:33,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:25:33,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:25:33,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:25:33,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:25:33,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:25:33,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:25:33,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:25:33,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:25:33,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:25:33,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:25:33,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:25:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:25:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:25:33,833 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:25:33,835 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:25:33,902 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 02:25:33,903 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:25:33,927 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:25:33,927 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:25:33,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:25:33 BoogieIcfgContainer [2024-12-06 02:25:33,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:25:33,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:25:33,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:25:33,938 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:25:33,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:25:33" (1/1) ... [2024-12-06 02:25:33,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:25:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 02:25:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 02:25:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:25:33,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:33,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:34,130 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 02:25:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2024-12-06 02:25:34,189 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2024-12-06 02:25:34,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:25:34,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:34,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:34,227 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 02:25:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:34,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-12-06 02:25:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-12-06 02:25:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:25:34,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:34,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:34,440 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 02:25:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2024-12-06 02:25:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2024-12-06 02:25:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:25:34,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:34,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:34,704 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 02:25:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-12-06 02:25:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-12-06 02:25:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:25:35,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:35,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:35,154 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 02:25:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2024-12-06 02:25:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2024-12-06 02:25:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:25:35,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:35,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:35,850 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 02:25:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-12-06 02:25:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-12-06 02:25:36,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:25:36,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:36,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:25:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2024-12-06 02:25:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-12-06 02:25:36,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 02:25:36,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:25:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2024-12-06 02:25:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-12-06 02:25:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:25:37,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:37,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:25:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2024-12-06 02:25:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2024-12-06 02:25:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:25:37,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:37,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:25:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:25:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-12-06 02:25:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-12-06 02:25:37,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:25:37,506 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-12-06 02:25:37,514 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 02:25:37,796 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 02:25:37,796 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:25:37,796 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-06 02:25:37,796 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| (+ 2147483649 |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|)) (<= 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 02:25:37,796 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| (+ 2147483649 |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|)) (<= 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 02:25:37,797 INFO L77 FloydHoareUtils]: At program point L13(lines 13 16) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) (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| |ULTIMATE.start_main_~x~0#1|))) [2024-12-06 02:25:37,797 INFO L77 FloydHoareUtils]: At program point L13-2(lines 13 16) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1| 2147483648)))) (or (and .cse0 (< (+ 2147483647 |ULTIMATE.start_main_~x~0#1|) 0)) (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_~x~0#1|)) (and (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 (<= |ULTIMATE.start_main_~y~0#1| 2147483647)))) [2024-12-06 02:25:37,797 INFO L77 FloydHoareUtils]: At program point L13-3(lines 12 17) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648))) (or (and (< .cse0 0) (< |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~z~0#1| 1))) (and (<= 0 .cse0) (<= |ULTIMATE.start_main_~x~0#1| 2147483647)))) [2024-12-06 02:25:37,797 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:25:37,797 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2024-12-06 02:25:37,797 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-06 02:25:37,797 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| (+ |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2024-12-06 02:25:37,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:25:37 ImpRootNode [2024-12-06 02:25:37,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:25:37,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:25:37,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:25:37,811 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:25:37,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:25:33" (3/4) ... [2024-12-06 02:25:37,814 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:25:37,819 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 02:25:37,820 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 02:25:37,820 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 02:25:37,889 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:25:37,890 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:25:37,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:25:37,891 INFO L158 Benchmark]: Toolchain (without parser) took 4391.73ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 79.2MB in the end (delta: 38.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-12-06 02:25:37,891 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:25:37,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.92ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 107.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:25:37,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.34ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.2MB in the end (delta: 885.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:25:37,892 INFO L158 Benchmark]: Boogie Preprocessor took 14.55ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 826.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:25:37,892 INFO L158 Benchmark]: RCFGBuilder took 213.21ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.8MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:25:37,892 INFO L158 Benchmark]: CodeCheck took 3881.95ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 83.6MB in the end (delta: 10.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-12-06 02:25:37,892 INFO L158 Benchmark]: Witness Printer took 79.10ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 79.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:25:37,894 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: 3.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 272 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1381 IncrementalHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 272 mSolverCounterUnsat, 20 mSDtfsCounter, 1381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 922 GetRequests, 771 SyntacticMatches, 41 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5166 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 24/36 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: ((((y <= (((long) x + z) + 2147483648)) && (((long) 2147483647 + x) < 0)) || (((0 <= (z + 2147483648)) && (x <= 2147483647)) && (y < x))) || (((x <= y) && (y <= (((long) x + z) + 2147483648))) && (y <= 2147483647))) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((z + 2147483648) < 0) && (y < ((long) z + 1))) || ((0 <= (z + 2147483648)) && (x <= 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 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.92ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 107.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.34ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.2MB in the end (delta: 885.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.55ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 826.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 213.21ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 94.8MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3881.95ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 83.6MB in the end (delta: 10.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 79.10ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 79.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:25:37,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bda4a59-6093-46ca-b81e-408ed79cd8b6/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