./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-bftpd/bftpd_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6826aeecba49275836b6b398765a757158a4e84d2c6569399d77f2320562875e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:22,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:22,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 23:15:22,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:15:22,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:15:22,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:22,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:22,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:22,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:22,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:22,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:22,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:22,236 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:15:22,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:15:22,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:15:22,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:22,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:22,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:22,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:22,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:22,237 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:15:22,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:15:22,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:15:22,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:22,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:22,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:22,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:22,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:22,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:22,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:22,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:22,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:22,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:22,238 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:15:22,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:15:22,239 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_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6826aeecba49275836b6b398765a757158a4e84d2c6569399d77f2320562875e [2024-11-13 23:15:22,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:22,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:22,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:22,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:22,609 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:22,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-bftpd/bftpd_3.i Unable to find full path for "g++" [2024-11-13 23:15:24,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:25,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:25,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/sv-benchmarks/c/memsafety-bftpd/bftpd_3.i [2024-11-13 23:15:25,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/data/13234d9a7/e5be63dd2d6145e7a6d6e2377742b997/FLAG3f7595572 [2024-11-13 23:15:25,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/data/13234d9a7/e5be63dd2d6145e7a6d6e2377742b997 [2024-11-13 23:15:25,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:25,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:25,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:25,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:25,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:25,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddd66a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25, skipping insertion in model container [2024-11-13 23:15:25,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:25,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:25,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:25,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:25,884 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:25,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25 WrapperNode [2024-11-13 23:15:25,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:25,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:25,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:25,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:25,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,932 INFO L138 Inliner]: procedures = 168, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2024-11-13 23:15:25,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:25,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:25,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:25,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:25,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:25,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:25,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:25,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:25,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:25" (1/1) ... [2024-11-13 23:15:25,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:25,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:26,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:26,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:15:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure parse_input [2024-11-13 23:15:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_input [2024-11-13 23:15:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:15:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:15:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:15:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 23:15:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:15:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:26,239 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:26,241 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:26,454 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:26,454 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:26,571 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:26,571 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:15:26,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:26 BoogieIcfgContainer [2024-11-13 23:15:26,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:26,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:26,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:26,586 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:26,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:26" (1/1) ... [2024-11-13 23:15:26,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 23:15:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 23:15:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:15:26,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 23:15:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 23:15:27,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:15:27,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:27,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 23:15:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 23:15:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:15:27,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:27,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 23:15:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 23:15:27,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:15:27,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:27,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:27,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 23:15:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 23:15:27,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:15:27,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:27,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-13 23:15:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 23:15:27,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:15:27,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:27,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:28,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:15:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2024-11-13 23:15:28,412 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2024-11-13 23:15:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:15:28,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:15:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 23:15:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 23:15:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:15:28,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:28,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 23:15:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 23:15:28,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:15:28,786 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 23:15:28,805 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 23:15:28,969 INFO L77 FloydHoareUtils]: At program point L692-2(line 692) the Hoare annotation is: (or (= |parse_input_#t~post6#1| 0) (and (<= 1 |parse_input_#t~post6#1|) (<= |parse_input_#t~post6#1| 1))) [2024-11-13 23:15:28,970 INFO L77 FloydHoareUtils]: At program point L692-3(line 692) the Hoare annotation is: (or (= |parse_input_#t~post6#1| 0) (and (<= 1 |parse_input_#t~post6#1|) (<= |parse_input_#t~post6#1| 1))) [2024-11-13 23:15:28,970 INFO L77 FloydHoareUtils]: At program point L692-4(lines 692 699) the Hoare annotation is: (not (and (not (= |parse_input_~i~0#1| 0)) (< |parse_input_~i~0#1| 1))) [2024-11-13 23:15:28,971 INFO L77 FloydHoareUtils]: At program point parse_inputFINAL(lines 691 700) the Hoare annotation is: true [2024-11-13 23:15:28,972 INFO L75 FloydHoareUtils]: For program point parse_inputErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 692) no Hoare annotation was computed. [2024-11-13 23:15:28,972 INFO L77 FloydHoareUtils]: At program point L693(lines 693 698) the Hoare annotation is: (or (and (<= |parse_input_~i~0#1| 1) (<= 1 |parse_input_~i~0#1|)) (= |parse_input_~i~0#1| 0)) [2024-11-13 23:15:28,972 INFO L77 FloydHoareUtils]: At program point L693-2(lines 693 698) the Hoare annotation is: (or (and (<= |parse_input_~i~0#1| 1) (<= 1 |parse_input_~i~0#1|)) (= |parse_input_~i~0#1| 0)) [2024-11-13 23:15:28,972 INFO L77 FloydHoareUtils]: At program point parse_inputEXIT(lines 691 700) the Hoare annotation is: true [2024-11-13 23:15:28,974 INFO L75 FloydHoareUtils]: For program point parse_inputErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 692) no Hoare annotation was computed. [2024-11-13 23:15:28,974 INFO L77 FloydHoareUtils]: At program point L694(lines 694 697) the Hoare annotation is: (or (and (<= |parse_input_~i~0#1| 1) (<= 1 |parse_input_~i~0#1|)) (= |parse_input_~i~0#1| 0)) [2024-11-13 23:15:28,974 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 691 700) the Hoare annotation is: true [2024-11-13 23:15:28,975 INFO L77 FloydHoareUtils]: At program point L722-1(line 722) the Hoare annotation is: true [2024-11-13 23:15:28,975 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:15:28,975 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:15:28,975 INFO L77 FloydHoareUtils]: At program point L724(line 724) the Hoare annotation is: true [2024-11-13 23:15:28,975 INFO L77 FloydHoareUtils]: At program point L723(line 723) the Hoare annotation is: true [2024-11-13 23:15:28,975 INFO L77 FloydHoareUtils]: At program point L722(line 722) the Hoare annotation is: true [2024-11-13 23:15:28,999 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 23:15:29,000 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 23:15:29,000 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 23:15:29,001 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~STATE_1 [2024-11-13 23:15:29,001 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~STATE_2 [2024-11-13 23:15:29,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:15:29 ImpRootNode [2024-11-13 23:15:29,004 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:15:29,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:15:29,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:15:29,005 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:15:29,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:26" (3/4) ... [2024-11-13 23:15:29,009 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:15:29,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure parse_input [2024-11-13 23:15:29,019 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-13 23:15:29,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 23:15:29,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 23:15:29,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 23:15:29,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:15:29,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:15:29,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:15:29,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:15:29,136 INFO L158 Benchmark]: Toolchain (without parser) took 4004.35ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 48.4MB in the end (delta: 43.5MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-13 23:15:29,136 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:29,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.86ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 72.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:15:29,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.67ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:29,137 INFO L158 Benchmark]: Boogie Preprocessor took 29.77ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 69.4MB in the end (delta: 998.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:29,138 INFO L158 Benchmark]: RCFGBuilder took 608.20ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 50.3MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:15:29,138 INFO L158 Benchmark]: CodeCheck took 2431.27ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 53.6MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:29,139 INFO L158 Benchmark]: Witness Printer took 127.67ms. Allocated memory is still 117.4MB. Free memory was 53.6MB in the beginning and 48.4MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:29,141 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 215 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 373 IncrementalHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 56 mSDtfsCounter, 373 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 717 GetRequests, 675 SyntacticMatches, 20 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 14/31 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: 692]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 692]: 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: 694]: Location Invariant Derived location invariant: (((i <= 1) && (1 <= i)) || (i == 0)) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: !((i != 0) && (i < 1)) - ProcedureContractResult [Line: 691]: Procedure Contract for parse_input Derived contract for procedure parse_input. Ensures: ((global == \old(global)) && (commands == \old(commands))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.86ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 72.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.67ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.77ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 69.4MB in the end (delta: 998.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 608.20ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 50.3MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2431.27ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 53.6MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.67ms. Allocated memory is still 117.4MB. Free memory was 53.6MB in the beginning and 48.4MB in the end (delta: 5.2MB). 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: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~STATE_1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~STATE_2 RESULT: Ultimate proved your program to be correct! [2024-11-13 23:15:29,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5140bd9c-9f99-4094-95b1-451c034c1202/bin/ukojak-verify-EEHR8qb7sm/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