./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk --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 b761192fa7940b5b8dcbde16e115ffe8d21a1b5878463860b50bdc92045acfbc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:22:32,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:32,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:22:32,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:22:32,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:22:32,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:32,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:32,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:32,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:32,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:32,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:32,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:32,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:22:32,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:22:32,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:22:32,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:32,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:32,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:32,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:32,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:32,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:22:32,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:32,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:32,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:32,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:32,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:32,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:32,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:32,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:32,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:32,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:32,277 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:22:32,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:22:32,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b761192fa7940b5b8dcbde16e115ffe8d21a1b5878463860b50bdc92045acfbc [2024-11-08 22:22:32,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:32,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:32,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:32,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:32,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:32,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_1-2.i Unable to find full path for "g++" [2024-11-08 22:22:35,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:35,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:35,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_1-2.i [2024-11-08 22:22:35,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/data/6700027fe/a7172516160049da9fada9ec95b43fe9/FLAGb643435ae [2024-11-08 22:22:35,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/data/6700027fe/a7172516160049da9fada9ec95b43fe9 [2024-11-08 22:22:35,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:35,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:35,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:35,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:35,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:35,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:35" (1/1) ... [2024-11-08 22:22:35,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f08e546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:35, skipping insertion in model container [2024-11-08 22:22:35,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:35" (1/1) ... [2024-11-08 22:22:35,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:35,917 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_172663dd-467f-43c7-b912-26e99e084df6/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_1-2.i[1767,1780] [2024-11-08 22:22:35,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:35,956 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:35,975 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_172663dd-467f-43c7-b912-26e99e084df6/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_1-2.i[1767,1780] [2024-11-08 22:22:35,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:36,018 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:36,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36 WrapperNode [2024-11-08 22:22:36,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:36,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:36,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:36,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:36,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,062 INFO L138 Inliner]: procedures = 18, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-08 22:22:36,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:36,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:36,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:36,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:36,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:36,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:36,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:36,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:36,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:36,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:36,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:36,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:22:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:22:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:22:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_45_0 [2024-11-08 22:22:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_45_0 [2024-11-08 22:22:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:22:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:22:36,283 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:36,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:36,531 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:36,532 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:36,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:36,631 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:22:36,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:36 BoogieIcfgContainer [2024-11-08 22:22:36,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:36,633 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:36,634 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:36,647 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:36,648 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:36" (1/1) ... [2024-11-08 22:22:36,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-08 22:22:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-08 22:22:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:22:36,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:36,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:22:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:22:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:22:37,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:37,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:37,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:37,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:37,385 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:22:37,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:22:37 ImpRootNode [2024-11-08 22:22:37,424 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:22:37,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:22:37,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:22:37,425 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:22:37,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:36" (3/4) ... [2024-11-08 22:22:37,427 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:22:37,496 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:22:37,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:22:37,501 INFO L158 Benchmark]: Toolchain (without parser) took 1922.97ms. Allocated memory is still 165.7MB. Free memory was 132.8MB in the beginning and 135.1MB in the end (delta: -2.3MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-11-08 22:22:37,501 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:37,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.07ms. Allocated memory is still 165.7MB. Free memory was 132.8MB in the beginning and 120.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:22:37,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.22ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 118.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:37,503 INFO L158 Benchmark]: Boogie Preprocessor took 46.14ms. Allocated memory is still 165.7MB. Free memory was 118.2MB in the beginning and 116.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:37,504 INFO L158 Benchmark]: RCFGBuilder took 521.35ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 102.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:22:37,505 INFO L158 Benchmark]: CodeCheck took 790.45ms. Allocated memory is still 165.7MB. Free memory was 102.2MB in the beginning and 77.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 22:22:37,506 INFO L158 Benchmark]: Witness Printer took 75.23ms. Allocated memory is still 165.7MB. Free memory was 77.0MB in the beginning and 135.1MB in the end (delta: -58.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 22:22:37,510 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 50]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L87] unsigned int array[10000]; [L88] unsigned int index = 0; [L89] unsigned int tmp = 0; VAL [array={24850:0}, index={24849:0}, tmp={24848:0}] [L90] CALL func_to_recursive_line_39_to_45_0(&array, &index, &tmp) VAL [\old(array)={24850:0}, \old(index)={24849:0}, \old(tmp)={24848:0}] [L67] *index = __VERIFIER_nondet_uint() [L68] EXPR \read(*index) VAL [\old(array)={24850:0}, \old(index)={24849:0}, \old(tmp)={24848:0}, array={24850:0}, index={24849:0}, tmp={24848:0}] [L68] COND TRUE (*index) >= 10000 [L90] RET func_to_recursive_line_39_to_45_0(&array, &index, &tmp) VAL [array={24850:0}, index={24849:0}, tmp={24848:0}] [L91] EXPR \read(tmp) [L91] EXPR (tmp < 10000) && (array[tmp] == tmp) [L91] EXPR \read(tmp) [L91] EXPR array[tmp] [L91] EXPR \read(tmp) [L91] EXPR (tmp < 10000) && (array[tmp] == tmp) [L91] CALL __VERIFIER_assert((tmp < 10000) && (array[tmp] == tmp)) [L46] COND TRUE !cond [L50] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.07ms. Allocated memory is still 165.7MB. Free memory was 132.8MB in the beginning and 120.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.22ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 118.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.14ms. Allocated memory is still 165.7MB. Free memory was 118.2MB in the beginning and 116.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.35ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 102.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 790.45ms. Allocated memory is still 165.7MB. Free memory was 102.2MB in the beginning and 77.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 75.23ms. Allocated memory is still 165.7MB. Free memory was 77.0MB in the beginning and 135.1MB in the end (delta: -58.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:22:37,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172663dd-467f-43c7-b912-26e99e084df6/bin/ukojak-verify-ImItNfHLgk/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