./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s4iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/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_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s4iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa44544cef56565ed3319ce5058689b3bfab54966d5ccdccfbe58cd92a919183 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:28:44,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:28:44,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:28:44,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:28:44,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:28:44,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:28:44,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:28:44,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:28:44,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:28:44,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:28:44,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:28:44,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:28:44,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:28:44,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:28:44,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:28:44,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:28:44,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:28:44,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:28:44,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:28:44,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:28:44,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:28:44,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:28:44,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:28:44,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:28:44,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:28:44,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:28:44,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:28:44,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:28:44,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:28:44,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:28:44,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:28:44,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:28:44,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:28:44,491 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_003552cf-5140-48c1-be37-a50795065749/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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa44544cef56565ed3319ce5058689b3bfab54966d5ccdccfbe58cd92a919183 [2024-12-06 02:28:44,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:28:44,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:28:44,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:28:44,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:28:44,716 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:28:44,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/s4iff.c [2024-12-06 02:28:47,491 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/data/2ad8c1a79/ef85ea59ce914850bdfe32a0aa4af656/FLAGaa28b95d0 [2024-12-06 02:28:47,711 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:28:47,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/sv-benchmarks/c/array-fpi/s4iff.c [2024-12-06 02:28:47,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/data/2ad8c1a79/ef85ea59ce914850bdfe32a0aa4af656/FLAGaa28b95d0 [2024-12-06 02:28:48,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/data/2ad8c1a79/ef85ea59ce914850bdfe32a0aa4af656 [2024-12-06 02:28:48,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:28:48,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:28:48,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:28:48,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:28:48,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:28:48,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43626d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48, skipping insertion in model container [2024-12-06 02:28:48,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:28:48,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/sv-benchmarks/c/array-fpi/s4iff.c[588,601] [2024-12-06 02:28:48,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:28:48,225 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:28:48,233 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/sv-benchmarks/c/array-fpi/s4iff.c[588,601] [2024-12-06 02:28:48,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:28:48,251 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:28:48,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48 WrapperNode [2024-12-06 02:28:48,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:28:48,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:28:48,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:28:48,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:28:48,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,273 INFO L138 Inliner]: procedures = 17, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-12-06 02:28:48,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:28:48,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:28:48,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:28:48,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:28:48,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,284 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:28:48,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:28:48,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:28:48,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:28:48,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:28:48,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:28:48,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:28:48,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:28:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:28:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:28:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:28:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:28:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 02:28:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:28:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:28:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:28:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:28:48,383 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:28:48,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:28:48,509 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 02:28:48,509 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:28:48,570 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:28:48,570 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:28:48,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:28:48 BoogieIcfgContainer [2024-12-06 02:28:48,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:28:48,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:28:48,571 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:28:48,580 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:28:48,580 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:28:48" (1/1) ... [2024-12-06 02:28:48,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:28:48,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:48,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-06 02:28:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-06 02:28:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:28:48,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:48,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:48,887 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 02:28:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-12-06 02:28:48,948 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-12-06 02:28:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:28:48,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:48,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:28:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 02:28:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 02:28:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:28:49,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:49,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:49,844 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 02:28:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:50,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 33 transitions. [2024-12-06 02:28:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 33 transitions. [2024-12-06 02:28:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:28:50,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:28:51,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2024-12-06 02:28:51,440 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2024-12-06 02:28:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:28:51,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:51,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:28:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:28:51,547 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:28:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:28:51,596 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 02:28:51,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:28:51 ImpRootNode [2024-12-06 02:28:51,628 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:28:51,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:28:51,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:28:51,629 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:28:51,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:28:48" (3/4) ... [2024-12-06 02:28:51,631 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:28:51,677 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 15. [2024-12-06 02:28:51,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:28:51,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_003552cf-5140-48c1-be37-a50795065749/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:28:51,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:28:51,739 INFO L158 Benchmark]: Toolchain (without parser) took 3669.05ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 60.4MB in the end (delta: 56.1MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-12-06 02:28:51,739 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:28:51,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.42ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 105.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:28:51,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.98ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:28:51,741 INFO L158 Benchmark]: Boogie Preprocessor took 15.01ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:28:51,741 INFO L158 Benchmark]: RCFGBuilder took 281.24ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 87.8MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:28:51,741 INFO L158 Benchmark]: CodeCheck took 3056.54ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 65.0MB in the end (delta: 22.8MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-12-06 02:28:51,742 INFO L158 Benchmark]: Witness Printer took 109.46ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 60.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:28:51,744 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 16 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1/7 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [N=2, a={-1:0}, i=0, sum={4:0}] [L32] COND TRUE i