./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array09_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_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/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_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array09_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/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_544e5900-2ef4-4b57-a4f6-e436c44d405b/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 4bb0671b4b3b34b0008c62cb06f9dde07e56c5dbf3071783b051c4e580038106 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:23:51,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:23:51,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:23:51,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:23:51,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:23:51,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:23:51,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:23:51,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:23:51,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:23:51,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:23:51,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:23:51,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:23:51,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:23:51,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:23:51,983 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:23:51,983 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:23:51,984 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:23:51,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:23:51,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:51,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:23:51,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:23:51,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:23:51,984 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:23:51,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:23:51,984 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_544e5900-2ef4-4b57-a4f6-e436c44d405b/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 -> 4bb0671b4b3b34b0008c62cb06f9dde07e56c5dbf3071783b051c4e580038106 [2024-12-06 03:23:52,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:23:52,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:23:52,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:23:52,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:23:52,201 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:23:52,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-15/array09_alloca.i [2024-12-06 03:23:54,808 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/data/6934a90d0/2c1b2b3b7dc04e9ea79ba1eb4d761c85/FLAG8e4df2791 [2024-12-06 03:23:55,044 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:23:55,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/sv-benchmarks/c/termination-15/array09_alloca.i [2024-12-06 03:23:55,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/data/6934a90d0/2c1b2b3b7dc04e9ea79ba1eb4d761c85/FLAG8e4df2791 [2024-12-06 03:23:55,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/data/6934a90d0/2c1b2b3b7dc04e9ea79ba1eb4d761c85 [2024-12-06 03:23:55,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:23:55,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:23:55,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:55,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:23:55,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:23:55,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af60c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55, skipping insertion in model container [2024-12-06 03:23:55,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:23:55,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:55,347 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:23:55,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:23:55,410 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:23:55,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55 WrapperNode [2024-12-06 03:23:55,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:23:55,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:55,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:23:55,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:23:55,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,443 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-06 03:23:55,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:23:55,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:23:55,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:23:55,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:23:55,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,456 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:23:55,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:23:55,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:23:55,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:23:55,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:23:55,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:23:55,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:23:55,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:23:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:23:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:23:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:23:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:23:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:23:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:23:55,582 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:23:55,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:23:55,705 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 03:23:55,706 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:23:55,760 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:23:55,760 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:23:55,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:55 BoogieIcfgContainer [2024-12-06 03:23:55,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:23:55,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:23:55,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:23:55,770 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:23:55,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:55" (1/1) ... [2024-12-06 03:23:55,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:23:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 03:23:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 03:23:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:23:55,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:56,038 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 03:23:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-06 03:23:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-06 03:23:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:23:56,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:56,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:56,175 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 03:23:56,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-12-06 03:23:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-12-06 03:23:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:23:56,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:56,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:56,276 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 03:23:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-06 03:23:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-06 03:23:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:23:56,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:56,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-12-06 03:23:56,518 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-12-06 03:23:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:23:56,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:56,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-12-06 03:23:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-12-06 03:23:57,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:23:57,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:57,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-06 03:23:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-06 03:23:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:23:57,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:57,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:23:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:57,769 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:23:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:57,816 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:23:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:23:57,834 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-12-06 03:23:57,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:23:57 ImpRootNode [2024-12-06 03:23:57,857 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:23:57,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:23:57,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:23:57,858 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:23:57,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:23:55" (3/4) ... [2024-12-06 03:23:57,860 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:23:57,895 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 03:23:57,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:23:57,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_544e5900-2ef4-4b57-a4f6-e436c44d405b/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:23:57,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:23:57,941 INFO L158 Benchmark]: Toolchain (without parser) took 2866.72ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 53.5MB in the end (delta: 62.5MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-12-06 03:23:57,941 INFO L158 Benchmark]: CDTParser took 0.31ms. 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 03:23:57,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.63ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 97.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:23:57,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.73ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:57,942 INFO L158 Benchmark]: Boogie Preprocessor took 18.09ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 95.5MB in the end (delta: 788.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:23:57,942 INFO L158 Benchmark]: RCFGBuilder took 298.67ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 81.6MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:23:57,942 INFO L158 Benchmark]: CodeCheck took 2095.81ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 58.4MB in the end (delta: 23.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-12-06 03:23:57,942 INFO L158 Benchmark]: Witness Printer took 81.49ms. Allocated memory is still 142.6MB. Free memory was 58.4MB in the beginning and 53.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:23:57,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 292 IncrementalHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 22 mSDtfsCounter, 292 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 0/6 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: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND TRUE length < 1 [L367] length = 1 [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=1] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=1] [L370] COND TRUE i -1) [L370] i++ VAL [arr={2:0}, i=1, length=1] [L370] COND FALSE !(i