./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/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_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/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_f96c0c78-05dc-4970-af5c-8167728636a3/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 eca4fa24c7d17d702b457b7d1d0ed6513492942e324299a6e335f63078cc8b55 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:26:33,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:26:33,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:26:33,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:26:33,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:26:33,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:26:33,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:26:33,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:26:33,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:26:33,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:26:33,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:26:33,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:26:33,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:26:33,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:26:33,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:26:33,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:26:33,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:26:33,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:26:33,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:26:33,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:26:33,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:26:33,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:26:33,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:26:33,546 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:26:33,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:26:33,547 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:26:33,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:26:33,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:26:33,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:26:33,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:26:33,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:26:33,549 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:26:33,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:26:33,549 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_f96c0c78-05dc-4970-af5c-8167728636a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca4fa24c7d17d702b457b7d1d0ed6513492942e324299a6e335f63078cc8b55 [2024-11-09 00:26:33,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:26:33,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:26:33,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:26:33,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:26:33,873 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:26:33,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c Unable to find full path for "g++" [2024-11-09 00:26:35,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:26:36,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:26:36,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2024-11-09 00:26:36,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/data/0bb068217/1eaec6d56b2247aa90b6c0a4bcf03cc2/FLAGa4fd50048 [2024-11-09 00:26:36,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/data/0bb068217/1eaec6d56b2247aa90b6c0a4bcf03cc2 [2024-11-09 00:26:36,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:26:36,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:26:36,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:26:36,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:26:36,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:26:36,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:26:36" (1/1) ... [2024-11-09 00:26:36,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b401cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:36, skipping insertion in model container [2024-11-09 00:26:36,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:26:36" (1/1) ... [2024-11-09 00:26:36,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:26:36,768 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_f96c0c78-05dc-4970-af5c-8167728636a3/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759] [2024-11-09 00:26:36,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:26:37,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:26:37,067 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_f96c0c78-05dc-4970-af5c-8167728636a3/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759] [2024-11-09 00:26:37,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:26:37,261 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:26:37,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37 WrapperNode [2024-11-09 00:26:37,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:26:37,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:26:37,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:26:37,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:26:37,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,391 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-09 00:26:37,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:26:37,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:26:37,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:26:37,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:26:37,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:26:37,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:26:37,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:26:37,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:26:37,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:37" (1/1) ... [2024-11-09 00:26:37,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:26:37,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:26:37,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:26:37,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:26:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:26:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:26:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:26:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:26:37,649 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:26:37,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:26:39,101 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-09 00:26:39,102 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:26:44,218 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:26:44,218 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:26:44,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:44 BoogieIcfgContainer [2024-11-09 00:26:44,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:26:44,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:26:44,222 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:26:44,233 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:26:44,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:44" (1/1) ... [2024-11-09 00:26:44,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:26:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:26:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:26:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:26:44,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:44,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:44,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 00:26:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 00:26:44,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:26:44,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:44,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-09 00:27:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-09 00:27:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:27:08,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:08,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:52,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-11-09 00:27:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-11-09 00:27:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:27:52,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:52,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-09 00:28:36,233 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-09 00:28:36,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:28:36,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:36,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2024-11-09 00:29:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2024-11-09 00:29:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:29:59,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:59,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2024-11-09 00:31:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2024-11-09 00:31:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:31:12,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:12,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:31:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:33,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 42 states and 90 transitions. [2024-11-09 00:31:33,961 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 90 transitions. [2024-11-09 00:31:33,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:31:33,962 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-09 00:31:33,971 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:31:34,271 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (< ~a12~0 81) (not (= 5 ~a15~0))) [2024-11-09 00:31:34,271 INFO L77 FloydHoareUtils]: At program point L178-1(lines 30 882) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (< ~a12~0 81) (not (= 5 ~a15~0))) [2024-11-09 00:31:34,272 INFO L77 FloydHoareUtils]: At program point L181-1(lines 30 882) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (< ~a12~0 81) (not (= 5 ~a15~0))) [2024-11-09 00:31:34,272 INFO L75 FloydHoareUtils]: For program point L182(line 182) no Hoare annotation was computed. [2024-11-09 00:31:34,272 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:31:34,272 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2024-11-09 00:31:34,273 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-09 00:31:34,273 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:31:34,273 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (< ~a12~0 81) (not (= 5 ~a15~0))) [2024-11-09 00:31:34,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:31:34 ImpRootNode [2024-11-09 00:31:34,286 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:31:34,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:31:34,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:31:34,287 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:31:34,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:44" (3/4) ... [2024-11-09 00:31:34,290 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:31:34,308 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-11-09 00:31:34,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 00:31:34,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:31:34,313 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:31:34,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:31:34,507 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:31:34,507 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:31:34,508 INFO L158 Benchmark]: Toolchain (without parser) took 298045.69ms. Allocated memory was 180.4MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 143.5MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 489.6MB. Max. memory is 16.1GB. [2024-11-09 00:31:34,508 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 180.4MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:31:34,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.45ms. Allocated memory is still 180.4MB. Free memory was 143.5MB in the beginning and 107.5MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:31:34,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.85ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 97.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:31:34,509 INFO L158 Benchmark]: Boogie Preprocessor took 118.33ms. Allocated memory is still 180.4MB. Free memory was 97.2MB in the beginning and 91.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:31:34,510 INFO L158 Benchmark]: RCFGBuilder took 6707.63ms. Allocated memory was 180.4MB in the beginning and 595.6MB in the end (delta: 415.2MB). Free memory was 91.0MB in the beginning and 404.6MB in the end (delta: -313.6MB). Peak memory consumption was 237.7MB. Max. memory is 16.1GB. [2024-11-09 00:31:34,510 INFO L158 Benchmark]: CodeCheck took 290065.80ms. Allocated memory was 595.6MB in the beginning and 2.7GB in the end (delta: 2.1GB). Free memory was 404.6MB in the beginning and 2.2GB in the end (delta: -1.8GB). Peak memory consumption was 319.0MB. Max. memory is 16.1GB. [2024-11-09 00:31:34,511 INFO L158 Benchmark]: Witness Printer took 220.24ms. Allocated memory is still 2.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:31:34,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 289.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 307 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 277 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 880 IncrementalHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 111 mSDtfsCounter, 880 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 907 GetRequests, 771 SyntacticMatches, 26 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6011 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 283.5s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 943 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 21/86 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: 182]: 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: 30]: Location Invariant Derived location invariant: ((((a21 != 9) || (a24 != 1)) || (a12 < 81)) || (5 != a15)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a21 != 9) || (a24 != 1)) || (a12 < 81)) || (5 != a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 180.4MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 799.45ms. Allocated memory is still 180.4MB. Free memory was 143.5MB in the beginning and 107.5MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.85ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 97.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.33ms. Allocated memory is still 180.4MB. Free memory was 97.2MB in the beginning and 91.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6707.63ms. Allocated memory was 180.4MB in the beginning and 595.6MB in the end (delta: 415.2MB). Free memory was 91.0MB in the beginning and 404.6MB in the end (delta: -313.6MB). Peak memory consumption was 237.7MB. Max. memory is 16.1GB. * CodeCheck took 290065.80ms. Allocated memory was 595.6MB in the beginning and 2.7GB in the end (delta: 2.1GB). Free memory was 404.6MB in the beginning and 2.2GB in the end (delta: -1.8GB). Peak memory consumption was 319.0MB. Max. memory is 16.1GB. * Witness Printer took 220.24ms. Allocated memory is still 2.7GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:31:34,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96c0c78-05dc-4970-af5c-8167728636a3/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 Result: TRUE