./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm --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 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:31:04,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:31:04,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:31:04,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:31:04,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:31:04,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:31:04,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:31:04,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:31:04,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:31:04,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:31:04,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:31:04,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:31:04,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:31:04,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:31:04,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:31:04,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:31:04,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:31:04,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:04,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:31:04,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:31:04,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:31:04,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:31:04,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:31:04,763 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_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm 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 -> 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 [2024-11-13 21:31:05,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:31:05,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:31:05,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:31:05,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:31:05,094 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:31:05,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i Unable to find full path for "g++" [2024-11-13 21:31:07,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:31:07,267 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:31:07,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2024-11-13 21:31:07,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/data/fb6b62809/5c6e3d53859a4bfca813f0f8957bc910/FLAG247f54915 [2024-11-13 21:31:07,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/data/fb6b62809/5c6e3d53859a4bfca813f0f8957bc910 [2024-11-13 21:31:07,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:31:07,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:31:07,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:07,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:31:07,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:31:07,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5f3edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07, skipping insertion in model container [2024-11-13 21:31:07,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:31:07,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:07,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:31:07,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:07,507 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:31:07,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07 WrapperNode [2024-11-13 21:31:07,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:07,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:07,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:31:07,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:31:07,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,536 INFO L138 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2024-11-13 21:31:07,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:07,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:31:07,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:31:07,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:31:07,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:31:07,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:31:07,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:31:07,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:31:07,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:07,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:31:07,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:31:07,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:31:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:31:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-13 21:31:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-13 21:31:07,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:31:07,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:31:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:31:07,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:31:07,722 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:31:07,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:31:07,857 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:31:07,857 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:31:07,895 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:31:07,895 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:31:07,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:07 BoogieIcfgContainer [2024-11-13 21:31:07,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:31:07,896 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:31:07,896 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:31:07,912 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:31:07,912 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:07" (1/1) ... [2024-11-13 21:31:07,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:31:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-13 21:31:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 21:31:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:31:07,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:08,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:31:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-13 21:31:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-13 21:31:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:31:08,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:08,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:08,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:31:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 24 transitions. [2024-11-13 21:31:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-13 21:31:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:31:08,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:31:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 18 transitions. [2024-11-13 21:31:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:31:09,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:31:09,967 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 21:31:09,975 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 21:31:10,014 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (<= (select (select |#memory_int| f_~q.base) f_~q.offset) 2147483646) [2024-11-13 21:31:10,014 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: (and (<= |f_#t~post3| 2147483647) (<= 0 |f_#t~post3|)) [2024-11-13 21:31:10,014 INFO L77 FloydHoareUtils]: At program point L16-1(line 16) the Hoare annotation is: (<= |f_#t~post3| 2147483647) [2024-11-13 21:31:10,014 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: (and (<= |f_#t~mem1| 2147483647) (= |f_#t~mem1| (select (select |#memory_int| f_~q.base) f_~q.offset))) [2024-11-13 21:31:10,015 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 18) the Hoare annotation is: (<= (select (select |#memory_int| |f_#in~q.base|) |f_#in~q.offset|) 2147483647) [2024-11-13 21:31:10,016 INFO L75 FloydHoareUtils]: For program point fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-11-13 21:31:10,016 INFO L77 FloydHoareUtils]: At program point fEXIT(lines 12 18) the Hoare annotation is: true [2024-11-13 21:31:10,017 INFO L75 FloydHoareUtils]: For program point fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-11-13 21:31:10,017 INFO L77 FloydHoareUtils]: At program point fFINAL(lines 12 18) the Hoare annotation is: true [2024-11-13 21:31:10,018 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 21 26) the Hoare annotation is: (<= (select (select |#memory_int| |g_#in~p.base|) |g_#in~p.offset|) 2147483646) [2024-11-13 21:31:10,018 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (<= (select (select |#memory_int| g_~p.base) g_~p.offset) 2147483646) [2024-11-13 21:31:10,018 INFO L77 FloydHoareUtils]: At program point gEXIT(lines 21 26) the Hoare annotation is: true [2024-11-13 21:31:10,018 INFO L77 FloydHoareUtils]: At program point L22(lines 22 23) the Hoare annotation is: (<= (select (select |#memory_int| g_~p.base) g_~p.offset) 2147483646) [2024-11-13 21:31:10,019 INFO L77 FloydHoareUtils]: At program point gFINAL(lines 21 26) the Hoare annotation is: true [2024-11-13 21:31:10,019 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:31:10,019 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:31:10,019 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_main_~p1~0#1.base|) |ULTIMATE.start_main_~p1~0#1.offset|) 2147483647) [2024-11-13 21:31:10,019 INFO L77 FloydHoareUtils]: At program point L37-1(line 37) the Hoare annotation is: true [2024-11-13 21:31:10,035 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 21:31:10,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 21:31:10,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~q!base,]]] [2024-11-13 21:31:10,042 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 21:31:10,042 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 21:31:10,043 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-11-13 21:31:10,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:31:10 ImpRootNode [2024-11-13 21:31:10,044 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:31:10,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:31:10,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:31:10,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:31:10,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:07" (3/4) ... [2024-11-13 21:31:10,049 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:31:10,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2024-11-13 21:31:10,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2024-11-13 21:31:10,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 21:31:10,058 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:31:10,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:31:10,059 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:31:10,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:31:10,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:31:10,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:31:10,142 INFO L158 Benchmark]: Toolchain (without parser) took 2849.58ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.3MB in the end (delta: 15.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-13 21:31:10,142 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:10,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.92ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 82.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:31:10,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.35ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:10,143 INFO L158 Benchmark]: Boogie Preprocessor took 17.06ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.6MB in the end (delta: 582.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:10,144 INFO L158 Benchmark]: RCFGBuilder took 340.37ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 70.4MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:31:10,144 INFO L158 Benchmark]: CodeCheck took 2147.66ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 82.2MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:10,144 INFO L158 Benchmark]: Witness Printer took 94.75ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 77.3MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:10,147 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 3 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 30 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 161 SyntacticMatches, 9 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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 - 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 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.92ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 82.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.35ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.06ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.6MB in the end (delta: 582.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.37ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 70.4MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2147.66ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 82.2MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 94.75ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 77.3MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~q!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~p!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-13 21:31:10,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad14826-78d5-4fdf-820d-d3d80f049224/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE