./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9 --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 53d776429169be2026863283cb18a34602ad7ee3b29f4a2a38a6e26dad3008de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:06:04,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:06:04,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:06:04,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:06:04,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:06:04,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:06:04,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:06:04,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:06:04,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:06:04,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:06:04,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:06:04,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:06:04,975 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:06:04,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:06:04,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:06:04,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:06:04,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:06:04,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:06:04,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:06:04,979 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:06:04,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:06:04,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:06:04,982 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:06:04,982 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:06:04,983 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:06:04,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:06:04,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:06:04,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:06:04,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:06:04,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:06:04,986 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:06:04,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:06:04,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:06:04,987 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_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53d776429169be2026863283cb18a34602ad7ee3b29f4a2a38a6e26dad3008de [2023-12-03 02:06:05,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:06:05,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:06:05,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:06:05,278 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:06:05,279 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:06:05,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c [2023-12-03 02:06:08,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:06:09,051 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:06:09,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c [2023-12-03 02:06:09,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/data/9d69b8f1a/13cf01de634c4bf39ea621de57ac4328/FLAGd88c6eb00 [2023-12-03 02:06:09,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/data/9d69b8f1a/13cf01de634c4bf39ea621de57ac4328 [2023-12-03 02:06:09,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:06:09,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:06:09,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:06:09,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:06:09,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:06:09,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662b2b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09, skipping insertion in model container [2023-12-03 02:06:09,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:06:09,298 WARN L240 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_859093cf-dbd3-4353-ad3b-385bb7150c69/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c[1113,1126] [2023-12-03 02:06:09,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:06:09,329 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:06:09,344 WARN L240 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_859093cf-dbd3-4353-ad3b-385bb7150c69/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c[1113,1126] [2023-12-03 02:06:09,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:06:09,371 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:06:09,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09 WrapperNode [2023-12-03 02:06:09,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:06:09,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:06:09,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:06:09,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:06:09,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,419 INFO L138 Inliner]: procedures = 14, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-12-03 02:06:09,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:06:09,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:06:09,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:06:09,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:06:09,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:06:09,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:06:09,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:06:09,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:06:09,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:06:09,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:06:09,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:06:09,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:06:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:06:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:06:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:06:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:06:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:06:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:06:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:06:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_24_0 [2023-12-03 02:06:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_24_0 [2023-12-03 02:06:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:06:09,633 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:06:09,635 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:06:09,794 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:06:09,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:06:09,859 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:06:09,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:09 BoogieIcfgContainer [2023-12-03 02:06:09,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:06:09,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:06:09,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:06:09,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:06:09,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:09" (1/1) ... [2023-12-03 02:06:09,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:06:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-12-03 02:06:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-12-03 02:06:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:06:09,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:09,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:06:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 19 transitions. [2023-12-03 02:06:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-03 02:06:11,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:06:11,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:11,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:06:16,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:06:16,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 29 transitions. [2023-12-03 02:06:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-03 02:06:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:06:16,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:16,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:06:24,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:06:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 45 transitions. [2023-12-03 02:06:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-12-03 02:06:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:06:26,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:26,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:06:38,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 52 transitions. [2023-12-03 02:06:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-12-03 02:06:38,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:06:38,870 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-03 02:06:38,877 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:06:39,342 INFO L560 CodeCheckObserver]: Invariant with dag size 39 [2023-12-03 02:06:39,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~j [2023-12-03 02:06:39,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 02:06:39,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~k [2023-12-03 02:06:39,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 02:06:39,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated [2023-12-03 02:06:39,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-12-03 02:06:39,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated [2023-12-03 02:06:39,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-12-03 02:06:39,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~j [2023-12-03 02:06:39,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 02:06:39,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i [2023-12-03 02:06:39,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 02:06:39,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated [2023-12-03 02:06:39,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-12-03 02:06:39,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated [2023-12-03 02:06:39,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-12-03 02:06:39,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~k [2023-12-03 02:06:39,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 02:06:39,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i [2023-12-03 02:06:39,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 02:06:39,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:06:39 ImpRootNode [2023-12-03 02:06:39,354 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:06:39,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:06:39,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:06:39,355 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:06:39,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:09" (3/4) ... [2023-12-03 02:06:39,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:06:39,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_20_to_24_0 [2023-12-03 02:06:39,364 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-03 02:06:39,365 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 02:06:39,365 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:06:39,365 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:06:39,450 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:06:39,451 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:06:39,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:06:39,452 INFO L158 Benchmark]: Toolchain (without parser) took 30372.23ms. Allocated memory was 148.9MB in the beginning and 415.2MB in the end (delta: 266.3MB). Free memory was 109.5MB in the beginning and 192.3MB in the end (delta: -82.8MB). Peak memory consumption was 186.7MB. Max. memory is 16.1GB. [2023-12-03 02:06:39,452 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 98.6MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:06:39,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.40ms. Allocated memory is still 148.9MB. Free memory was 109.2MB in the beginning and 99.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:06:39,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.95ms. Allocated memory is still 148.9MB. Free memory was 98.7MB in the beginning and 97.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:06:39,454 INFO L158 Benchmark]: Boogie Preprocessor took 29.30ms. Allocated memory is still 148.9MB. Free memory was 97.2MB in the beginning and 96.3MB in the end (delta: 895.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:06:39,454 INFO L158 Benchmark]: RCFGBuilder took 410.20ms. Allocated memory is still 148.9MB. Free memory was 96.0MB in the beginning and 82.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:06:39,455 INFO L158 Benchmark]: CodeCheck took 29491.85ms. Allocated memory was 148.9MB in the beginning and 415.2MB in the end (delta: 266.3MB). Free memory was 82.2MB in the beginning and 196.5MB in the end (delta: -114.3MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2023-12-03 02:06:39,455 INFO L158 Benchmark]: Witness Printer took 96.17ms. Allocated memory is still 415.2MB. Free memory was 196.5MB in the beginning and 192.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:06:39,458 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 13.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 12.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 76 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 556 GetRequests, 437 SyntacticMatches, 27 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3522 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 2671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 5/56 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 - PositiveResult [Line: 26]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 98.6MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.40ms. Allocated memory is still 148.9MB. Free memory was 109.2MB in the beginning and 99.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.95ms. Allocated memory is still 148.9MB. Free memory was 98.7MB in the beginning and 97.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.30ms. Allocated memory is still 148.9MB. Free memory was 97.2MB in the beginning and 96.3MB in the end (delta: 895.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.20ms. Allocated memory is still 148.9MB. Free memory was 96.0MB in the beginning and 82.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 29491.85ms. Allocated memory was 148.9MB in the beginning and 415.2MB in the end (delta: 266.3MB). Free memory was 82.2MB in the beginning and 196.5MB in the end (delta: -114.3MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. * Witness Printer took 96.17ms. Allocated memory is still 415.2MB. Free memory was 196.5MB in the beginning and 192.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~j - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~k - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~j - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~k - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression RESULT: Ultimate proved your program to be correct! [2023-12-03 02:06:39,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_859093cf-dbd3-4353-ad3b-385bb7150c69/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE