./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i --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_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/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_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/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 64bit --witnessprinter.graph.data.programhash 042bf93dbb8c5bbe3967b75ad3452e25eaf29960f1f46ba7421ec842aefc346e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:29:07,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:29:07,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:29:07,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:29:07,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:29:07,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:29:07,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:29:07,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:29:07,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:29:07,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:29:07,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:29:07,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:29:07,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:29:07,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:29:07,668 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:29:07,668 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:29:07,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:29:07,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:29:07,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:07,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:29:07,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:29:07,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:29:07,669 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:29:07,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:29:07,669 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_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 042bf93dbb8c5bbe3967b75ad3452e25eaf29960f1f46ba7421ec842aefc346e [2024-11-25 02:29:07,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:29:07,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:29:07,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:29:07,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:29:07,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:29:07,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2024-11-25 02:29:11,022 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/data/0ba62917c/10ceda28422c4c5682808da18fe30b3d/FLAG89167004d [2024-11-25 02:29:11,287 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:29:11,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2024-11-25 02:29:11,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/data/0ba62917c/10ceda28422c4c5682808da18fe30b3d/FLAG89167004d [2024-11-25 02:29:11,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/data/0ba62917c/10ceda28422c4c5682808da18fe30b3d [2024-11-25 02:29:11,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:29:11,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:29:11,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:11,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:29:11,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:29:11,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:11" (1/1) ... [2024-11-25 02:29:11,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c82f94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:11, skipping insertion in model container [2024-11-25 02:29:11,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:29:11" (1/1) ... [2024-11-25 02:29:11,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:29:11,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:12,003 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:29:12,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:29:12,103 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:29:12,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12 WrapperNode [2024-11-25 02:29:12,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:29:12,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:12,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:29:12,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:29:12,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,141 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-11-25 02:29:12,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:29:12,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:29:12,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:29:12,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:29:12,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,163 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:29:12,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:29:12,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:29:12,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:29:12,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:29:12,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:29:12,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:29:12,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:29:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:29:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:29:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:29:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:29:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:29:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:29:12,353 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:29:12,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:29:12,561 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-25 02:29:12,561 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:29:12,625 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:29:12,626 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:29:12,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:12 BoogieIcfgContainer [2024-11-25 02:29:12,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:29:12,630 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:29:12,630 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:29:12,642 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:29:12,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:12" (1/1) ... [2024-11-25 02:29:12,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:29:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-25 02:29:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-25 02:29:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:29:12,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:12,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:12,941 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 02:29:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 02:29:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 02:29:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:29:12,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:12,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:13,168 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 02:29:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 02:29:13,249 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 02:29:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:29:13,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:13,336 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 02:29:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 02:29:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 02:29:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:29:13,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:13,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:29:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:13,691 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 02:29:14,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 02:29:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 02:29:14,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:29:14,095 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 02:29:14,103 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 02:29:14,139 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 384) no Hoare annotation was computed. [2024-11-25 02:29:14,139 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:29:14,139 INFO L77 FloydHoareUtils]: At program point L384(line 384) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~length2~0#1| |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-25 02:29:14,139 INFO L77 FloydHoareUtils]: At program point L384-1(line 384) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~length1~0#1|))) [2024-11-25 02:29:14,140 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 385) no Hoare annotation was computed. [2024-11-25 02:29:14,140 INFO L77 FloydHoareUtils]: At program point L378-1(lines 372 388) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-25 02:29:14,140 INFO L77 FloydHoareUtils]: At program point L368-1(lines 368 369) the Hoare annotation is: true [2024-11-25 02:29:14,140 INFO L77 FloydHoareUtils]: At program point L368-2(lines 368 369) the Hoare annotation is: true [2024-11-25 02:29:14,140 INFO L77 FloydHoareUtils]: At program point L368-4(lines 368 369) the Hoare annotation is: true [2024-11-25 02:29:14,140 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:29:14,140 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 372 388) the Hoare annotation is: true [2024-11-25 02:29:14,141 INFO L77 FloydHoareUtils]: At program point L385(line 385) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~length1~0#1|))) [2024-11-25 02:29:14,141 INFO L77 FloydHoareUtils]: At program point L385-1(line 385) the Hoare annotation is: (< |ULTIMATE.start_main_~length1~0#1| 2147483648) [2024-11-25 02:29:14,141 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 384) no Hoare annotation was computed. [2024-11-25 02:29:14,141 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 385) no Hoare annotation was computed. [2024-11-25 02:29:14,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:29:14 ImpRootNode [2024-11-25 02:29:14,150 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:29:14,151 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:29:14,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:29:14,151 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:29:14,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:29:12" (3/4) ... [2024-11-25 02:29:14,154 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:29:14,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-25 02:29:14,160 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:29:14,161 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:29:14,161 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:29:14,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:29:14,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:29:14,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:29:14,248 INFO L158 Benchmark]: Toolchain (without parser) took 2657.19ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 42.5MB in the end (delta: 48.1MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,248 INFO L158 Benchmark]: CDTParser took 1.75ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 85.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:14,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.46ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 72.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:14,249 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 69.8MB in the end (delta: 779.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,249 INFO L158 Benchmark]: RCFGBuilder took 451.89ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 56.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,250 INFO L158 Benchmark]: CodeCheck took 1519.93ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 46.8MB in the end (delta: 9.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-25 02:29:14,250 INFO L158 Benchmark]: Witness Printer took 96.27ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 42.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:29:14,256 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 0 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 385]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 385]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.75ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 85.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.46ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 72.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 69.8MB in the end (delta: 779.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 451.89ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 56.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1519.93ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 46.8MB in the end (delta: 9.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 96.27ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 42.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:29:14,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb1482c7-4682-48ad-84c6-fe6ec3bdcd6c/bin/ukojak-verify-ENZ3QT5qd3/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