./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3 --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 32bit --witnessprinter.graph.data.programhash 4b2397f02ca31d86bec1660af6a105f36402aae0113477a6332673f13a213eff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:33:39,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:33:39,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:33:39,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:33:39,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:33:39,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:33:39,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:33:39,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:33:39,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:33:39,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:33:39,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:33:39,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:33:39,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:33:39,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:33:39,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:33:39,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:33:39,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:33:39,531 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:33:39,531 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:33:39,532 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:33:39,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:33:39,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:33:39,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:33:39,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:33:39,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:33:39,532 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:33:39,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:33:39,532 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_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2397f02ca31d86bec1660af6a105f36402aae0113477a6332673f13a213eff [2024-11-25 02:33:39,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:33:39,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:33:39,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:33:39,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:33:39,867 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:33:39,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1b.c [2024-11-25 02:33:42,947 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/data/abc9db0b4/7c4e645eaef7453d819ad248cd3e7c1c/FLAGb83ccffd7 [2024-11-25 02:33:43,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:33:43,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/sv-benchmarks/c/recursified_loop-simple/recursified_nested_1b.c [2024-11-25 02:33:43,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/data/abc9db0b4/7c4e645eaef7453d819ad248cd3e7c1c/FLAGb83ccffd7 [2024-11-25 02:33:43,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/data/abc9db0b4/7c4e645eaef7453d819ad248cd3e7c1c [2024-11-25 02:33:43,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:33:43,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:33:43,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:33:43,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:33:43,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:33:43,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a640f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43, skipping insertion in model container [2024-11-25 02:33:43,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:33:43,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:33:43,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:33:43,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:33:43,548 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:33:43,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43 WrapperNode [2024-11-25 02:33:43,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:33:43,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:33:43,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:33:43,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:33:43,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,578 INFO L138 Inliner]: procedures = 12, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-25 02:33:43,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:33:43,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:33:43,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:33:43,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:33:43,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,595 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:33:43,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:33:43,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:33:43,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:33:43,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:33:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:33:43,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:33:43,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:33:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:33:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:33:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_19_to_19_0 [2024-11-25 02:33:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_19_to_19_0 [2024-11-25 02:33:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:33:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:33:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:33:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:33:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:33:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:33:43,765 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:33:43,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:33:43,907 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 02:33:43,907 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:33:43,950 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:33:43,950 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:33:43,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:43 BoogieIcfgContainer [2024-11-25 02:33:43,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:33:43,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:33:43,951 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:33:43,961 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:33:43,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:43" (1/1) ... [2024-11-25 02:33:43,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:33:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 02:33:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 02:33:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:33:44,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:44,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:44,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 19 transitions. [2024-11-25 02:33:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 02:33:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:33:44,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:44,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 22 transitions. [2024-11-25 02:33:45,022 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:33:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:33:45,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:45,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:45,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 20 transitions. [2024-11-25 02:33:45,869 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:33:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:33:45,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:45,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:33:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 19 transitions. [2024-11-25 02:33:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 02:33:46,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:33:46,149 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 02:33:46,161 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 02:33:46,346 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| func_to_recursive_line_19_to_19_0_~a.base) func_to_recursive_line_19_to_19_0_~a.offset) 2147483648)) [2024-11-25 02:33:46,346 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: (or (and (<= |func_to_recursive_line_19_to_19_0_#t~mem5| 0) (<= 0 |func_to_recursive_line_19_to_19_0_#t~mem5|)) (and (<= 0 (+ |func_to_recursive_line_19_to_19_0_#t~mem5| 2147483648)) (< |func_to_recursive_line_19_to_19_0_#t~mem5| 0)) (and (<= |func_to_recursive_line_19_to_19_0_#t~mem5| 5) (< 0 |func_to_recursive_line_19_to_19_0_#t~mem5|))) [2024-11-25 02:33:46,347 INFO L77 FloydHoareUtils]: At program point L30-1(line 30) the Hoare annotation is: (or (and (<= |func_to_recursive_line_19_to_19_0_#t~mem5| 5) (< 0 |func_to_recursive_line_19_to_19_0_#t~mem5|)) (and (<= |func_to_recursive_line_19_to_19_0_#t~mem5| 0) (<= 0 (+ |func_to_recursive_line_19_to_19_0_#t~mem5| 2147483649)))) [2024-11-25 02:33:46,347 INFO L77 FloydHoareUtils]: At program point L25(lines 25 36) the Hoare annotation is: (and (= |func_to_recursive_line_19_to_19_0_#t~mem4| (select (select |#memory_int| func_to_recursive_line_19_to_19_0_~a.base) func_to_recursive_line_19_to_19_0_~a.offset)) (<= 0 (+ |func_to_recursive_line_19_to_19_0_#t~mem4| 2147483648))) [2024-11-25 02:33:46,347 INFO L77 FloydHoareUtils]: At program point L25-1(lines 23 37) the Hoare annotation is: true [2024-11-25 02:33:46,347 INFO L75 FloydHoareUtils]: For program point func_to_recursive_line_19_to_19_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2024-11-25 02:33:46,347 INFO L75 FloydHoareUtils]: For program point func_to_recursive_line_19_to_19_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2024-11-25 02:33:46,347 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 23 37) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |func_to_recursive_line_19_to_19_0_#in~a.base|) |func_to_recursive_line_19_to_19_0_#in~a.offset|) 2147483648)) [2024-11-25 02:33:46,347 INFO L77 FloydHoareUtils]: At program point func_to_recursive_line_19_to_19_0EXIT(lines 23 37) the Hoare annotation is: true [2024-11-25 02:33:46,348 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:33:46,348 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) |ULTIMATE.start_main_~#a~0#1.offset|) 0) [2024-11-25 02:33:46,348 INFO L77 FloydHoareUtils]: At program point L44-1(line 44) the Hoare annotation is: true [2024-11-25 02:33:46,348 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:33:46,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-25 02:33:46,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-25 02:33:46,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~a!base,]]] [2024-11-25 02:33:46,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:33:46 ImpRootNode [2024-11-25 02:33:46,370 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:33:46,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:33:46,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:33:46,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:33:46,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:43" (3/4) ... [2024-11-25 02:33:46,376 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:33:46,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_19_to_19_0 [2024-11-25 02:33:46,386 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-25 02:33:46,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 02:33:46,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:33:46,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:33:46,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:33:46,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:33:46,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:33:46,473 INFO L158 Benchmark]: Toolchain (without parser) took 3153.53ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 298.3MB in the end (delta: -204.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-25 02:33:46,473 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:46,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.10ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:33:46,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.21ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:46,474 INFO L158 Benchmark]: Boogie Preprocessor took 25.53ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.6MB in the end (delta: 760.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:46,475 INFO L158 Benchmark]: RCFGBuilder took 343.27ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 70.4MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:33:46,475 INFO L158 Benchmark]: CodeCheck took 2419.35ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.4MB in the beginning and 303.1MB in the end (delta: -232.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:46,476 INFO L158 Benchmark]: Witness Printer took 99.73ms. Allocated memory is still 352.3MB. Free memory was 303.1MB in the beginning and 298.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:33:46,478 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 2 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 20 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 7/7 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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 1.47ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.10ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.21ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.53ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.6MB in the end (delta: 760.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.27ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 70.4MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2419.35ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.4MB in the beginning and 303.1MB in the end (delta: -232.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.73ms. Allocated memory is still 352.3MB. Free memory was 303.1MB in the beginning and 298.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. 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~a!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-25 02:33:46,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b74bb2d5-42fe-4929-ba36-deda18c93bbc/bin/ukojak-verify-ENZ3QT5qd3/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