./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b --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 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:55:08,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:55:09,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:55:09,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:55:09,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:55:09,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:55:09,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:55:09,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:55:09,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:55:09,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:55:09,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:55:09,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:55:09,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:55:09,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:55:09,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:55:09,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:55:09,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:55:09,031 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:55:09,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:55:09,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:55:09,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:55:09,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:55:09,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:55:09,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:55:09,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:55:09,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:55:09,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:55:09,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:55:09,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:55:09,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:55:09,032 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:55:09,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:55:09,032 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_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b 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 -> 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 [2024-12-06 01:55:09,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:55:09,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:55:09,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:55:09,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:55:09,242 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:55:09,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2024-12-06 01:55:11,876 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/data/e2325ccdc/4ebde7bcf9ed4f8a8df9dfa73cd26399/FLAG9039350f7 [2024-12-06 01:55:12,102 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:55:12,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2024-12-06 01:55:12,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/data/e2325ccdc/4ebde7bcf9ed4f8a8df9dfa73cd26399/FLAG9039350f7 [2024-12-06 01:55:12,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/data/e2325ccdc/4ebde7bcf9ed4f8a8df9dfa73cd26399 [2024-12-06 01:55:12,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:55:12,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:55:12,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:55:12,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:55:12,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:55:12,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d94b0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12, skipping insertion in model container [2024-12-06 01:55:12,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:55:12,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:55:12,699 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:55:12,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:55:12,751 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:55:12,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12 WrapperNode [2024-12-06 01:55:12,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:55:12,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:55:12,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:55:12,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:55:12,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,784 INFO L138 Inliner]: procedures = 110, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 92 [2024-12-06 01:55:12,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:55:12,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:55:12,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:55:12,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:55:12,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,797 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:55:12,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:55:12,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:55:12,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:55:12,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:55:12" (1/1) ... [2024-12-06 01:55:12,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:55:12,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:55:12,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:55:12,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:55:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:55:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:55:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:55:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:55:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:55:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:55:12,921 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:55:12,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:55:13,071 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 01:55:13,071 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:55:13,113 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:55:13,113 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:55:13,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:55:13 BoogieIcfgContainer [2024-12-06 01:55:13,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:55:13,115 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:55:13,115 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:55:13,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:55:13,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:55:13" (1/1) ... [2024-12-06 01:55:13,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:55:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2024-12-06 01:55:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2024-12-06 01:55:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:55:13,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:13,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:55:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:55:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2024-12-06 01:55:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-12-06 01:55:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:55:14,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:14,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:55:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:55:15,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2024-12-06 01:55:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2024-12-06 01:55:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:55:15,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:15,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:55:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:55:15,224 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:55:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:55:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:55:15,289 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:55:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:55:15,315 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 01:55:15,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:55:15 ImpRootNode [2024-12-06 01:55:15,343 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:55:15,344 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:55:15,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:55:15,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:55:15,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:55:13" (3/4) ... [2024-12-06 01:55:15,346 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:55:15,383 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-12-06 01:55:15,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:55:15,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:55:15,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:55:15,423 INFO L158 Benchmark]: Toolchain (without parser) took 2969.21ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 102.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 01:55:15,423 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:55:15,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.70ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 99.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:55:15,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.49ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 98.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:55:15,424 INFO L158 Benchmark]: Boogie Preprocessor took 19.13ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 97.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:55:15,424 INFO L158 Benchmark]: RCFGBuilder took 309.83ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 80.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:55:15,425 INFO L158 Benchmark]: CodeCheck took 2228.78ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 106.1MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:55:15,425 INFO L158 Benchmark]: Witness Printer took 77.74ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 102.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:55:15,427 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, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 0 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 557]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] *x = __VERIFIER_nondet_int() [L552] *y = __VERIFIER_nondet_int() [L553] EXPR \read(*y) [L553] *y > 0 && *x > 0 [L553] EXPR \read(*x) [L553] *y > 0 && *x > 0 VAL [x={11476:0}, y={11474:0}, z={11475:0}] [L553] COND TRUE *y > 0 && *x > 0 [L554] EXPR \read(*x) [L554] EXPR \read(*y) [L554] COND FALSE !(*x > *y) [L555] EXPR \read(*x) [L555] *z = *x [L556] COND FALSE !(__VERIFIER_nondet_int()) [L557] EXPR \read(*y) [L557] EXPR \read(*x) VAL [x={11476:0}, y={11474:0}, z={11475:0}] [L557] *y + *x VAL [x={11476:0}, y={11474:0}, z={11475:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.70ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 99.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.49ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 98.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.13ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 97.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.83ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 80.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2228.78ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 106.1MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.74ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 102.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:55:15,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d09487b7-f0bf-4ae3-98bd-6b894abfd6c6/bin/ukojak-verify-CZk0znPC7b/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)