./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV --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 a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:45:33,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:45:33,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:45:33,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:45:33,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:45:33,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:45:33,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:45:33,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:45:33,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:45:33,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:45:33,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:45:33,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:45:33,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:45:33,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:45:33,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:45:33,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:45:33,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:45:33,284 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:45:33,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:45:33,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:45:33,286 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:45:33,286 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:45:33,287 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:45:33,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:45:33,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:33,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:45:33,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:45:33,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:45:33,290 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:45:33,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:45:33,292 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:45:33,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b [2023-11-11 23:45:33,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:45:33,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:45:33,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:45:33,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:45:33,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:45:33,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2023-11-11 23:45:36,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:45:37,130 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:45:37,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2023-11-11 23:45:37,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/data/f42e2a0a6/9fd2ac3b93e5480fa82061b14f6ec2d7/FLAG1c22301cc [2023-11-11 23:45:37,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/data/f42e2a0a6/9fd2ac3b93e5480fa82061b14f6ec2d7 [2023-11-11 23:45:37,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:45:37,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:45:37,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:37,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:45:37,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:45:37,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b7c01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37, skipping insertion in model container [2023-11-11 23:45:37,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:45:37,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:37,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:45:37,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:37,669 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:45:37,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37 WrapperNode [2023-11-11 23:45:37,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:37,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:37,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:45:37,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:45:37,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,717 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-11 23:45:37,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:37,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:45:37,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:45:37,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:45:37,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:45:37,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:45:37,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:45:37,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:45:37,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:37" (1/1) ... [2023-11-11 23:45:37,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:37,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:45:37,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:45:37,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:45:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:45:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:45:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:45:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:45:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:45:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:45:37,957 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:45:37,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:45:38,161 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:45:38,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:45:38,257 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:45:38,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:45:38 BoogieIcfgContainer [2023-11-11 23:45:38,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:45:38,261 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:45:38,261 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:45:38,276 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:45:38,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:45:38" (1/1) ... [2023-11-11 23:45:38,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:45:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-11-11 23:45:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-11-11 23:45:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:45:38,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:38,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:45:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-11 23:45:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-11 23:45:38,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:45:38,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:38,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:45:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:38,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-11 23:45:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-11 23:45:38,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:45:38,942 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-11 23:45:38,952 INFO L753 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-11 23:45:38,975 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:45:38,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:45:38,980 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:45:38,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:45:38 ImpRootNode [2023-11-11 23:45:38,981 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:45:38,982 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:45:38,982 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:45:38,983 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:45:38,983 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:45:38" (3/4) ... [2023-11-11 23:45:38,985 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:45:38,997 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-11 23:45:38,998 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:45:38,998 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:45:38,999 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:45:39,095 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:45:39,095 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:45:39,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:45:39,096 INFO L158 Benchmark]: Toolchain (without parser) took 1916.14ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 73.9MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-11 23:45:39,097 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:45:39,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.63ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 121.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:45:39,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.42ms. Allocated memory is still 184.5MB. Free memory was 120.9MB in the beginning and 119.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:45:39,098 INFO L158 Benchmark]: Boogie Preprocessor took 30.33ms. Allocated memory is still 184.5MB. Free memory was 119.7MB in the beginning and 117.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:39,099 INFO L158 Benchmark]: RCFGBuilder took 511.19ms. Allocated memory is still 184.5MB. Free memory was 117.9MB in the beginning and 102.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:45:39,099 INFO L158 Benchmark]: CodeCheck took 720.04ms. Allocated memory is still 184.5MB. Free memory was 102.0MB in the beginning and 79.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:39,100 INFO L158 Benchmark]: Witness Printer took 113.27ms. Allocated memory is still 184.5MB. Free memory was 79.0MB in the beginning and 73.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:45:39,102 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - PositiveResult [Line: 574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 574]: 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 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.63ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 121.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.42ms. Allocated memory is still 184.5MB. Free memory was 120.9MB in the beginning and 119.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.33ms. Allocated memory is still 184.5MB. Free memory was 119.7MB in the beginning and 117.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.19ms. Allocated memory is still 184.5MB. Free memory was 117.9MB in the beginning and 102.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 720.04ms. Allocated memory is still 184.5MB. Free memory was 102.0MB in the beginning and 79.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 113.27ms. Allocated memory is still 184.5MB. Free memory was 79.0MB in the beginning and 73.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:45:39,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7712195a-37d9-4fba-9990-7ee2db890ee9/bin/ukojak-verify-0OAaufAVZV/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