./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.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_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/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_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/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_e01c5d78-3ad0-497d-9e6c-e722dc429329/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 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:11:10,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:11:10,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:11:10,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:11:10,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:11:10,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:11:10,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:11:10,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:11:10,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:11:10,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:11:10,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:11:10,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:11:10,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:11:10,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:11:10,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:11:10,833 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:11:10,833 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:11:10,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:11:10,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:11:10,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:11:10,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:11:10,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:11:10,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:11:10,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:11:10,833 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_e01c5d78-3ad0-497d-9e6c-e722dc429329/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 -> 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d [2024-12-06 06:11:11,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:11:11,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:11:11,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:11:11,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:11:11,073 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:11:11,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2024-12-06 06:11:13,656 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/data/cb6a622d6/dc336feb65fc455ea27e006976f64c94/FLAG7da0e1456 [2024-12-06 06:11:13,877 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:11:13,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2024-12-06 06:11:13,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/data/cb6a622d6/dc336feb65fc455ea27e006976f64c94/FLAG7da0e1456 [2024-12-06 06:11:14,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/data/cb6a622d6/dc336feb65fc455ea27e006976f64c94 [2024-12-06 06:11:14,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:11:14,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:11:14,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:11:14,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:11:14,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:11:14,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6031e901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14, skipping insertion in model container [2024-12-06 06:11:14,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:11:14,356 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_e01c5d78-3ad0-497d-9e6c-e722dc429329/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c[454,467] [2024-12-06 06:11:14,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:11:14,370 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:11:14,380 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_e01c5d78-3ad0-497d-9e6c-e722dc429329/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c[454,467] [2024-12-06 06:11:14,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:11:14,390 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:11:14,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14 WrapperNode [2024-12-06 06:11:14,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:11:14,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:11:14,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:11:14,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:11:14,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,412 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-12-06 06:11:14,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:11:14,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:11:14,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:11:14,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:11:14,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,420 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:11:14,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:11:14,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:11:14,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:11:14,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:11:14,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:11:14,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:11:14,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:11:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:11:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:11:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:11:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:11:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-12-06 06:11:14,475 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-12-06 06:11:14,525 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:11:14,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:11:14,596 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 06:11:14,596 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:11:14,612 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:11:14,613 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:11:14,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:14 BoogieIcfgContainer [2024-12-06 06:11:14,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:11:14,614 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:11:14,614 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:11:14,620 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:11:14,621 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:14" (1/1) ... [2024-12-06 06:11:14,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:11:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 06:11:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 06:11:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 06:11:14,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:14,846 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 06:11:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-12-06 06:11:14,921 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-06 06:11:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 06:11:14,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:14,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 06:11:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:15,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 31 transitions. [2024-12-06 06:11:15,368 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 06:11:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 06:11:15,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:15,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 06:11:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 42 transitions. [2024-12-06 06:11:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-12-06 06:11:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 06:11:15,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 06:11:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 33 states and 55 transitions. [2024-12-06 06:11:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-06 06:11:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 06:11:16,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 06:11:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 38 states and 70 transitions. [2024-12-06 06:11:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 70 transitions. [2024-12-06 06:11:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 06:11:16,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:16,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 06:11:17,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 43 states and 87 transitions. [2024-12-06 06:11:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2024-12-06 06:11:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 06:11:17,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:17,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-06 06:11:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 48 states and 106 transitions. [2024-12-06 06:11:17,932 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 106 transitions. [2024-12-06 06:11:17,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 06:11:17,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:17,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-06 06:11:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 53 states and 127 transitions. [2024-12-06 06:11:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 127 transitions. [2024-12-06 06:11:18,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 06:11:18,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:18,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:18,769 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 06:11:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 58 states and 150 transitions. [2024-12-06 06:11:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 150 transitions. [2024-12-06 06:11:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 06:11:19,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:19,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 06:11:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 63 states and 175 transitions. [2024-12-06 06:11:20,053 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 175 transitions. [2024-12-06 06:11:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 06:11:20,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:20,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-12-06 06:11:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 68 states and 202 transitions. [2024-12-06 06:11:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 202 transitions. [2024-12-06 06:11:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-06 06:11:20,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:20,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-12-06 06:11:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 73 states and 231 transitions. [2024-12-06 06:11:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 231 transitions. [2024-12-06 06:11:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-06 06:11:21,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:21,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-12-06 06:11:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 78 states and 262 transitions. [2024-12-06 06:11:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 262 transitions. [2024-12-06 06:11:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 06:11:22,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-06 06:11:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 83 states and 295 transitions. [2024-12-06 06:11:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 295 transitions. [2024-12-06 06:11:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-06 06:11:23,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:23,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-12-06 06:11:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 88 states and 330 transitions. [2024-12-06 06:11:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 330 transitions. [2024-12-06 06:11:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-06 06:11:24,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:24,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-12-06 06:11:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 93 states and 367 transitions. [2024-12-06 06:11:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 367 transitions. [2024-12-06 06:11:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-06 06:11:25,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:25,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-06 06:11:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 98 states and 406 transitions. [2024-12-06 06:11:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 406 transitions. [2024-12-06 06:11:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 06:11:26,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:26,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-12-06 06:11:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 103 states and 447 transitions. [2024-12-06 06:11:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 447 transitions. [2024-12-06 06:11:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-06 06:11:27,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:27,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-12-06 06:11:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 108 states and 490 transitions. [2024-12-06 06:11:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 490 transitions. [2024-12-06 06:11:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-06 06:11:28,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:28,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-12-06 06:11:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 113 states and 535 transitions. [2024-12-06 06:11:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 535 transitions. [2024-12-06 06:11:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-06 06:11:29,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:29,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:11:29,723 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:11:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:11:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:11:29,833 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:11:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:11:29,899 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-12-06 06:11:29,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:11:29 ImpRootNode [2024-12-06 06:11:29,937 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:11:29,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:11:29,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:11:29,938 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:11:29,939 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:14" (3/4) ... [2024-12-06 06:11:29,940 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 06:11:29,984 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 65. [2024-12-06 06:11:30,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:11:30,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:11:30,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:11:30,055 INFO L158 Benchmark]: Toolchain (without parser) took 15803.06ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 93.4MB in the beginning and 178.9MB in the end (delta: -85.5MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,055 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:30,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.26ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.6MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.41ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:30,056 INFO L158 Benchmark]: Boogie Preprocessor took 11.12ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 81.1MB in the end (delta: 469.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:30,056 INFO L158 Benchmark]: RCFGBuilder took 188.78ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,056 INFO L158 Benchmark]: CodeCheck took 15323.95ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 71.6MB in the beginning and 186.6MB in the end (delta: -115.0MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,057 INFO L158 Benchmark]: Witness Printer took 115.62ms. Allocated memory is still 335.5MB. Free memory was 186.6MB in the beginning and 178.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,059 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2110 SdHoareTripleChecker+Valid, 17.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1579 mSDsluCounter, 1972 SdHoareTripleChecker+Invalid, 14.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1560 mSDsCounter, 1642 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16161 IncrementalHoareTripleChecker+Invalid, 17803 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1642 mSolverCounterUnsat, 412 mSDtfsCounter, 16161 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28403 GetRequests, 27238 SyntacticMatches, 927 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21804 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1449 NumberOfCodeBlocks, 1449 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1300 ConstructedInterpolants, 0 QuantifiedInterpolants, 3360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 1 PerfectInterpolantSequences, 3800/7600 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: [L12] int input = 20; VAL [input=20] [L13] CALL, EXPR id(input) VAL [\old(x)=20] [L7] COND FALSE !(x==0) VAL [\old(x)=20, x=20] [L8] CALL, EXPR id(x-1) VAL [\old(x)=19] [L7] COND FALSE !(x==0) VAL [\old(x)=19, x=19] [L8] CALL, EXPR id(x-1) VAL [\old(x)=18] [L7] COND FALSE !(x==0) VAL [\old(x)=18, x=18] [L8] CALL, EXPR id(x-1) VAL [\old(x)=17] [L7] COND FALSE !(x==0) VAL [\old(x)=17, x=17] [L8] CALL, EXPR id(x-1) VAL [\old(x)=16] [L7] COND FALSE !(x==0) VAL [\old(x)=16, x=16] [L8] CALL, EXPR id(x-1) VAL [\old(x)=15] [L7] COND FALSE !(x==0) VAL [\old(x)=15, x=15] [L8] CALL, EXPR id(x-1) VAL [\old(x)=14] [L7] COND FALSE !(x==0) VAL [\old(x)=14, x=14] [L8] CALL, EXPR id(x-1) VAL [\old(x)=13] [L7] COND FALSE !(x==0) VAL [\old(x)=13, x=13] [L8] CALL, EXPR id(x-1) VAL [\old(x)=12] [L7] COND FALSE !(x==0) VAL [\old(x)=12, x=12] [L8] CALL, EXPR id(x-1) VAL [\old(x)=11] [L7] COND FALSE !(x==0) VAL [\old(x)=11, x=11] [L8] CALL, EXPR id(x-1) VAL [\old(x)=10] [L7] COND FALSE !(x==0) VAL [\old(x)=10, x=10] [L8] CALL, EXPR id(x-1) VAL [\old(x)=9] [L7] COND FALSE !(x==0) VAL [\old(x)=9, x=9] [L8] CALL, EXPR id(x-1) VAL [\old(x)=8] [L7] COND FALSE !(x==0) VAL [\old(x)=8, x=8] [L8] CALL, EXPR id(x-1) VAL [\old(x)=7] [L7] COND FALSE !(x==0) VAL [\old(x)=7, x=7] [L8] CALL, EXPR id(x-1) VAL [\old(x)=6] [L7] COND FALSE !(x==0) VAL [\old(x)=6, x=6] [L8] CALL, EXPR id(x-1) VAL [\old(x)=5] [L7] COND FALSE !(x==0) VAL [\old(x)=5, x=5] [L8] CALL, EXPR id(x-1) VAL [\old(x)=4] [L7] COND FALSE !(x==0) VAL [\old(x)=4, x=4] [L8] CALL, EXPR id(x-1) VAL [\old(x)=3] [L7] COND FALSE !(x==0) VAL [\old(x)=3, x=3] [L8] CALL, EXPR id(x-1) VAL [\old(x)=2] [L7] COND FALSE !(x==0) VAL [\old(x)=2, x=2] [L8] CALL, EXPR id(x-1) VAL [\old(x)=1] [L7] COND FALSE !(x==0) VAL [\old(x)=1, x=1] [L8] CALL, EXPR id(x-1) VAL [\old(x)=0] [L7] COND TRUE x==0 [L7] return 0; VAL [\old(x)=0, \result=0] [L8] RET, EXPR id(x-1) VAL [\old(x)=1, x=1] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=2, x=2] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=3, x=3] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=4, x=4] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=5, x=5] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=6, x=6] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=7, x=7] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=8, x=8] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=9, x=9] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=10, x=10] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=11, x=11] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=12, x=12] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=13, x=13] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=14, x=14] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=15, x=15] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=16, x=16] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=17, x=17] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=18, x=18] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=19, x=19] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=20, x=20] [L8] return id(x-1) + 1; [L13] RET, EXPR id(input) VAL [input=20] [L13] int result = id(input); [L14] COND TRUE result == 20 VAL [input=20] [L15] reach_error() VAL [input=20] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.26ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.6MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.41ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.12ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 81.1MB in the end (delta: 469.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 188.78ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 15323.95ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 71.6MB in the beginning and 186.6MB in the end (delta: -115.0MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. * Witness Printer took 115.62ms. Allocated memory is still 335.5MB. Free memory was 186.6MB in the beginning and 178.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 06:11:30,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e01c5d78-3ad0-497d-9e6c-e722dc429329/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