./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/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_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f23478267c7db041e0d430f7852fa8cba288847df5f5dded3d7c2138de17e1ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:40,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:40,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:49:40,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:49:40,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:49:40,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:40,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:40,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:40,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:40,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:40,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:40,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:40,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:49:40,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:40,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:40,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:40,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:40,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:40,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:49:40,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:49:40,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:40,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:40,142 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:40,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:40,142 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:40,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:40,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:40,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:40,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:40,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:40,143 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:49:40,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:49:40,143 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_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f23478267c7db041e0d430f7852fa8cba288847df5f5dded3d7c2138de17e1ef [2024-11-13 21:49:40,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:49:40,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:49:40,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:49:40,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:49:40,465 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:49:40,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i Unable to find full path for "g++" [2024-11-13 21:49:42,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:49:42,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:49:42,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i [2024-11-13 21:49:42,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/data/f5af84244/a39a8d9481f442b38ecaa6b08c1d720e/FLAGd593e6d72 [2024-11-13 21:49:42,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/data/f5af84244/a39a8d9481f442b38ecaa6b08c1d720e [2024-11-13 21:49:42,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:49:42,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:49:42,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:42,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:49:42,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:49:42,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:42" (1/1) ... [2024-11-13 21:49:42,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425cf66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:42, skipping insertion in model container [2024-11-13 21:49:42,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:42" (1/1) ... [2024-11-13 21:49:42,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:49:43,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:43,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:49:43,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:43,330 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:49:43,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43 WrapperNode [2024-11-13 21:49:43,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:43,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:43,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:49:43,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:49:43,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,371 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-13 21:49:43,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:43,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:49:43,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:49:43,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:49:43,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:49:43,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:49:43,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:49:43,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:49:43,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:49:43,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:49:43,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:49:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:49:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:49:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:49:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:49:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:49:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:49:43,613 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:49:43,616 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:49:43,787 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 21:49:43,787 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:49:43,882 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:49:43,887 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:49:43,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:43 BoogieIcfgContainer [2024-11-13 21:49:43,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:49:43,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:49:43,888 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:49:43,903 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:49:43,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:49:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:49:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:49:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:49:43,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:43,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:44,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:49:44,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:44,674 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-13 21:49:44,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 24 [2024-11-13 21:49:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:49:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:49:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:49:44,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:44,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:44,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:49:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:49:45,022 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:49:45,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:49:45 ImpRootNode [2024-11-13 21:49:45,058 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:49:45,059 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:49:45,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:49:45,060 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:49:45,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:43" (3/4) ... [2024-11-13 21:49:45,061 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:49:45,106 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:49:45,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:49:45,107 INFO L158 Benchmark]: Toolchain (without parser) took 2277.30ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 92.6MB in the end (delta: 26.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-13 21:49:45,107 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:45,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.12ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 102.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:49:45,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.91ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:45,108 INFO L158 Benchmark]: Boogie Preprocessor took 22.73ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.8MB in the end (delta: 946.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:45,111 INFO L158 Benchmark]: RCFGBuilder took 492.21ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 85.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:49:45,111 INFO L158 Benchmark]: CodeCheck took 1169.72ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 94.4MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:45,112 INFO L158 Benchmark]: Witness Printer took 47.52ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 92.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:49:45,113 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 33 SizeOfPredicates, 5 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - CounterExampleResult [Line: 556]: integer overflow possible integer overflow possible We found a FailurePath: [L562] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L549] int* x_ref = __builtin_alloca (sizeof(int)); [L550] int* y_ref = __builtin_alloca (sizeof(int)); [L551] int* c = __builtin_alloca (sizeof(int)); [L552] *x_ref = x [L553] *y_ref = y [L554] *c = 0 VAL [c={3:0}, x_ref={2:0}, y_ref={4:0}] [L555] EXPR \read(*x_ref) [L555] (*x_ref > 1) && (*x_ref < *y_ref) [L555] EXPR \read(*x_ref) [L555] EXPR \read(*y_ref) [L555] (*x_ref > 1) && (*x_ref < *y_ref) VAL [c={3:0}, x_ref={2:0}, y_ref={4:0}] [L555] COND TRUE (*x_ref > 1) && (*x_ref < *y_ref) [L556] EXPR \read(*x_ref) [L556] EXPR \read(*x_ref) VAL [c={3:0}, x_ref={2:0}, y_ref={4:0}] [L556] (*x_ref) * (*x_ref) VAL [c={3:0}, x_ref={2:0}, y_ref={4:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.12ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 102.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.91ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.73ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 99.8MB in the end (delta: 946.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.21ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 85.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1169.72ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 94.4MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.52ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 92.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:49:45,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e71e7d55-b37d-49bc-8cc3-0483884aeee0/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)