./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.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_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/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_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/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_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/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 16c87f757d11a5b22574448d8ecfef35f586564e2cd4dda7a1b2fc9778ac5c5b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:50:27,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:50:27,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:50:27,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:50:27,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:50:27,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:50:27,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:50:27,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:50:27,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:50:27,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:50:27,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:50:27,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:50:27,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:50:27,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:50:27,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:50:27,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:50:27,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:50:27,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:50:27,785 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:50:27,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:50:27,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:50:27,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:50:27,787 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:50:27,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:50:27,787 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:50:27,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:50:27,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:27,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:50:27,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:50:27,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:50:27,787 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:50:27,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:50:27,788 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_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/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 -> 16c87f757d11a5b22574448d8ecfef35f586564e2cd4dda7a1b2fc9778ac5c5b [2024-11-13 21:50:28,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:50:28,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:50:28,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:50:28,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:50:28,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:50:28,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i Unable to find full path for "g++" [2024-11-13 21:50:30,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:50:30,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:50:30,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i [2024-11-13 21:50:30,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/data/5a65e6b7c/b27c44cbf55d4e6d8003d9e75721cab3/FLAGda697a934 [2024-11-13 21:50:30,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/data/5a65e6b7c/b27c44cbf55d4e6d8003d9e75721cab3 [2024-11-13 21:50:30,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:50:30,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:50:30,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:30,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:50:30,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:50:30,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:30,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e22f267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30, skipping insertion in model container [2024-11-13 21:50:30,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:30,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:50:30,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:30,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:50:30,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:50:30,992 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:50:30,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30 WrapperNode [2024-11-13 21:50:30,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:50:30,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:30,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:50:30,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:50:31,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,037 INFO L138 Inliner]: procedures = 110, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-13 21:50:31,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:50:31,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:50:31,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:50:31,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:50:31,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:50:31,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:50:31,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:50:31,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:50:31,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:50:30" (1/1) ... [2024-11-13 21:50:31,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:50:31,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:50:31,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:50:31,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:50:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:50:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:50:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:50:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:50:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:50:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:50:31,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:50:31,230 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:50:31,347 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 21:50:31,347 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:50:31,370 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:50:31,370 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:50:31,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:31 BoogieIcfgContainer [2024-11-13 21:50:31,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:50:31,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:50:31,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:50:31,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:50:31,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:31" (1/1) ... [2024-11-13 21:50:31,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:50:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-13 21:50:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-13 21:50:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:50:31,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:31,893 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 21:50:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-13 21:50:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-13 21:50:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:50:32,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:32,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:32,236 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 21:50:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-13 21:50:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-13 21:50:32,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:50:32,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:32,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:32,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:50:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:32,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:50:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:50:32,380 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 21:50:32,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:50:32 ImpRootNode [2024-11-13 21:50:32,405 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:50:32,406 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:50:32,406 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:50:32,407 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:50:32,407 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:50:31" (3/4) ... [2024-11-13 21:50:32,408 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:50:32,442 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:50:32,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:50:32,443 INFO L158 Benchmark]: Toolchain (without parser) took 1960.29ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 51.5MB in the end (delta: 66.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 21:50:32,443 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:32,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.65ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:50:32,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.78ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:32,444 INFO L158 Benchmark]: Boogie Preprocessor took 28.11ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.7MB in the end (delta: 712.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:32,445 INFO L158 Benchmark]: RCFGBuilder took 303.28ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 88.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:50:32,445 INFO L158 Benchmark]: CodeCheck took 1034.27ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 53.0MB in the end (delta: 35.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:50:32,448 INFO L158 Benchmark]: Witness Printer took 35.97ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 51.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:50:32,451 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 6 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 - CounterExampleResult [Line: 554]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] *x = __VERIFIER_nondet_int() [L550] EXPR \read(*x) VAL [x={2:0}] [L550] COND TRUE *x <= 1000 [L551] COND FALSE !(__VERIFIER_nondet_int()) [L554] EXPR \read(*x) VAL [x={2:0}] [L554] - 3 * (*x) VAL [x={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.65ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.78ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.11ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.7MB in the end (delta: 712.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.28ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 88.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1034.27ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 53.0MB in the end (delta: 35.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 35.97ms. Allocated memory is still 142.6MB. Free memory was 53.0MB in the beginning and 51.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:50:32,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3bbb0b-44a7-4644-9d5d-e2310d02b9eb/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)