./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.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_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/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_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/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_7b31bf99-0cdf-424f-ac97-dcb1791e8776/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 5d893efacd65ca909eb9b8ab6c750c1daa6fbbdd40268b7a15c770813d19a300 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:27:11,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:27:11,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 21:27:11,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:27:11,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:27:11,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:27:11,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:27:11,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:27:11,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:27:11,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:27:11,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:27:11,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:27:11,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:27:11,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:27:11,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:27:11,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:27:11,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:11,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:27:11,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:27:11,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:27:11,773 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:27:11,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:27:11,773 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_7b31bf99-0cdf-424f-ac97-dcb1791e8776/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 -> 5d893efacd65ca909eb9b8ab6c750c1daa6fbbdd40268b7a15c770813d19a300 [2024-12-05 21:27:11,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:27:11,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:27:11,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:27:11,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:27:11,977 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:27:11,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c [2024-12-05 21:27:14,571 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/data/eb89e6bae/478deba2000345f7910edd3b02ca1c17/FLAG66476d3f6 [2024-12-05 21:27:14,754 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:27:14,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy1.c [2024-12-05 21:27:14,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/data/eb89e6bae/478deba2000345f7910edd3b02ca1c17/FLAG66476d3f6 [2024-12-05 21:27:15,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/data/eb89e6bae/478deba2000345f7910edd3b02ca1c17 [2024-12-05 21:27:15,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:27:15,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:27:15,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:15,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:27:15,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:27:15,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdaa643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15, skipping insertion in model container [2024-12-05 21:27:15,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:27:15,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:15,256 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:27:15,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:15,272 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:27:15,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15 WrapperNode [2024-12-05 21:27:15,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:15,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:15,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:27:15,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:27:15,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,289 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-12-05 21:27:15,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:15,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:27:15,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:27:15,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:27:15,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:27:15,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:27:15,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:27:15,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:27:15,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:15,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:27:15,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:27:15,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:27:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:27:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:27:15,400 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:27:15,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:27:15,488 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 21:27:15,488 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:27:15,510 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:27:15,510 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:27:15,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:15 BoogieIcfgContainer [2024-12-05 21:27:15,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:27:15,511 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:27:15,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:27:15,522 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:27:15,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:15" (1/1) ... [2024-12-05 21:27:15,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:27:15,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 21:27:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 21:27:15,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:27:15,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:15,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:15,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-05 21:27:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-05 21:27:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:27:15,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:15,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:15,782 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 21:27:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-05 21:27:15,800 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-05 21:27:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:27:15,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:15,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:15,832 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 21:27:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:15,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-12-05 21:27:15,915 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-12-05 21:27:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:27:15,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:15,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:15,938 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 21:27:15,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-05 21:27:15,974 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-05 21:27:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:27:15,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:15,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:16,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-12-05 21:27:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-12-05 21:27:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:27:16,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:16,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:16,083 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 21:27:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-12-05 21:27:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-12-05 21:27:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:27:16,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-05 21:27:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-05 21:27:16,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:27:16,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:27:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-05 21:27:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-05 21:27:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:27:16,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:16,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:16,470 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 21:27:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-05 21:27:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-05 21:27:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:27:16,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:16,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:27:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-05 21:27:16,658 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-05 21:27:16,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:27:16,659 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-12-05 21:27:16,666 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 21:27:16,838 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-05 21:27:16,838 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:27:16,839 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-12-05 21:27:16,839 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_main_~z~0#1| 0)) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 0)) (and (< 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 39))) [2024-12-05 21:27:16,839 INFO L77 FloydHoareUtils]: At program point L17-1(line 17) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_main_~z~0#1| 0)) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 0)) (and (< 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 39))) [2024-12-05 21:27:16,839 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (or (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~z~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 0)) (and (< 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 39))) [2024-12-05 21:27:16,839 INFO L77 FloydHoareUtils]: At program point L15-1(line 15) the Hoare annotation is: (or (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~z~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 0)) (and (< 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 39))) [2024-12-05 21:27:16,839 INFO L77 FloydHoareUtils]: At program point L13-1(lines 13 19) the Hoare annotation is: (or (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 0)) (and (< 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 39))) [2024-12-05 21:27:16,840 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:27:16,840 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2024-12-05 21:27:16,840 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2024-12-05 21:27:16,840 INFO L77 FloydHoareUtils]: At program point L14-1(lines 13 19) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~x~0#1|) [2024-12-05 21:27:16,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:27:16 ImpRootNode [2024-12-05 21:27:16,850 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:27:16,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:27:16,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:27:16,851 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:27:16,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:15" (3/4) ... [2024-12-05 21:27:16,853 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:27:16,859 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-05 21:27:16,859 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 21:27:16,859 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 21:27:16,922 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:27:16,923 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:27:16,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:27:16,924 INFO L158 Benchmark]: Toolchain (without parser) took 1767.73ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 52.5MB in the end (delta: 40.5MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-12-05 21:27:16,924 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:16,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 116.14ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:27:16,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.41ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 992.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:16,925 INFO L158 Benchmark]: Boogie Preprocessor took 15.26ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.4MB in the end (delta: 587.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:16,925 INFO L158 Benchmark]: RCFGBuilder took 204.71ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 72.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:27:16,926 INFO L158 Benchmark]: CodeCheck took 1338.53ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 57.0MB in the end (delta: 15.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-05 21:27:16,926 INFO L158 Benchmark]: Witness Printer took 72.47ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 52.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:16,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 159 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 646 IncrementalHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 40 mSDtfsCounter, 646 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 578 GetRequests, 525 SyntacticMatches, 19 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 18/18 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: 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 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (0 <= x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 116.14ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.41ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 992.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.26ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 81.4MB in the end (delta: 587.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 204.71ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 72.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1338.53ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 57.0MB in the end (delta: 15.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Witness Printer took 72.47ms. Allocated memory is still 117.4MB. Free memory was 57.0MB in the beginning and 52.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:27:16,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b31bf99-0cdf-424f-ac97-dcb1791e8776/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