./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eca4fa24c7d17d702b457b7d1d0ed6513492942e324299a6e335f63078cc8b55 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:12:01,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:12:01,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:12:01,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:12:01,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:12:01,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:12:01,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:12:01,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:12:01,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:12:01,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:12:01,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:12:01,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:12:01,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:12:01,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:12:01,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:12:01,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:12:01,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:12:01,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:12:01,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:12:01,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:12:01,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:12:01,486 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:12:01,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:12:01,486 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:12:01,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:12:01,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:12:01,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:12:01,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:01,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:12:01,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:12:01,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:12:01,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:12:01,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:12:01,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca4fa24c7d17d702b457b7d1d0ed6513492942e324299a6e335f63078cc8b55 [2024-12-06 03:12:01,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:12:01,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:12:01,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:12:01,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:12:01,703 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:12:01,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2024-12-06 03:12:04,388 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/data/43c0e72aa/42922e9fce914704b27761d60a5bb78b/FLAG850b647ca [2024-12-06 03:12:04,640 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:12:04,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2024-12-06 03:12:04,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/data/43c0e72aa/42922e9fce914704b27761d60a5bb78b/FLAG850b647ca [2024-12-06 03:12:04,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/data/43c0e72aa/42922e9fce914704b27761d60a5bb78b [2024-12-06 03:12:04,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:12:04,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:12:04,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:04,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:12:04,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:12:04,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:04" (1/1) ... [2024-12-06 03:12:04,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad83f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:04, skipping insertion in model container [2024-12-06 03:12:04,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:04" (1/1) ... [2024-12-06 03:12:04,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:12:04,882 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_3fb11b07-5e86-4a27-b638-f1d6cb891b34/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759] [2024-12-06 03:12:05,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:05,029 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:12:05,049 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_3fb11b07-5e86-4a27-b638-f1d6cb891b34/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759] [2024-12-06 03:12:05,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:05,153 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:12:05,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05 WrapperNode [2024-12-06 03:12:05,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:05,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:05,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:12:05,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:12:05,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,229 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-12-06 03:12:05,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:05,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:12:05,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:12:05,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:12:05,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,269 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:12:05,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:12:05,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:12:05,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:12:05,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:05" (1/1) ... [2024-12-06 03:12:05,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:05,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:12:05,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:12:05,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:12:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:12:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:12:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:12:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:12:05,415 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:12:05,417 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:12:06,580 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-12-06 03:12:06,580 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:12:09,530 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:12:09,530 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:12:09,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:09 BoogieIcfgContainer [2024-12-06 03:12:09,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:12:09,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:12:09,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:12:09,538 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:12:09,538 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:09" (1/1) ... [2024-12-06 03:12:09,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:12:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 03:12:09,590 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 03:12:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:12:09,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:09,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 03:12:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 03:12:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:12:09,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 03:12:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 03:12:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:12:24,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:12:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-12-06 03:12:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-12-06 03:12:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:12:58,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:58,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:13:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-12-06 03:13:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-12-06 03:13:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:13:31,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:31,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:14:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2024-12-06 03:14:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2024-12-06 03:14:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:14:39,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:39,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:15:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2024-12-06 03:15:37,825 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2024-12-06 03:15:37,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:15:37,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:15:37,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:15:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 03:15:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:15:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 42 states and 90 transitions. [2024-12-06 03:15:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 90 transitions. [2024-12-06 03:15:55,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:15:55,990 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 03:15:55,996 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:15:56,217 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))) [2024-12-06 03:15:56,217 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))) [2024-12-06 03:15:56,217 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))) [2024-12-06 03:15:56,217 INFO L75 FloydHoareUtils]: For program point L182(line 182) no Hoare annotation was computed. [2024-12-06 03:15:56,218 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:15:56,218 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2024-12-06 03:15:56,218 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-12-06 03:15:56,218 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:15:56,218 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))) [2024-12-06 03:15:56,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:15:56 ImpRootNode [2024-12-06 03:15:56,227 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:15:56,227 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:15:56,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:15:56,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:15:56,228 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:09" (3/4) ... [2024-12-06 03:15:56,230 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:15:56,245 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-12-06 03:15:56,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 03:15:56,246 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:15:56,247 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:15:56,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:15:56,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:15:56,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:15:56,348 INFO L158 Benchmark]: Toolchain (without parser) took 231677.18ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 90.7MB in the beginning and 825.4MB in the end (delta: -734.7MB). Peak memory consumption was 659.7MB. Max. memory is 16.1GB. [2024-12-06 03:15:56,348 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:15:56,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.86ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 59.2MB in the end (delta: 31.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:15:56,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.72ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 49.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:15:56,349 INFO L158 Benchmark]: Boogie Preprocessor took 66.01ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 44.0MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:15:56,350 INFO L158 Benchmark]: RCFGBuilder took 4233.59ms. Allocated memory was 117.4MB in the beginning and 587.2MB in the end (delta: 469.8MB). Free memory was 43.8MB in the beginning and 353.6MB in the end (delta: -309.8MB). Peak memory consumption was 343.0MB. Max. memory is 16.1GB. [2024-12-06 03:15:56,350 INFO L158 Benchmark]: CodeCheck took 226695.67ms. Allocated memory was 587.2MB in the beginning and 1.5GB in the end (delta: 922.7MB). Free memory was 353.6MB in the beginning and 841.8MB in the end (delta: -488.2MB). Peak memory consumption was 434.2MB. Max. memory is 16.1GB. [2024-12-06 03:15:56,350 INFO L158 Benchmark]: Witness Printer took 120.32ms. Allocated memory is still 1.5GB. Free memory was 841.8MB in the beginning and 825.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:15:56,353 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: 226.4s, 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, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 277 SdHoareTripleChecker+Invalid, 3.9s 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, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 221.8s 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, ConComCheckerStatistics: 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 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.86ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 59.2MB in the end (delta: 31.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.72ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 49.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.01ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 44.0MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4233.59ms. Allocated memory was 117.4MB in the beginning and 587.2MB in the end (delta: 469.8MB). Free memory was 43.8MB in the beginning and 353.6MB in the end (delta: -309.8MB). Peak memory consumption was 343.0MB. Max. memory is 16.1GB. * CodeCheck took 226695.67ms. Allocated memory was 587.2MB in the beginning and 1.5GB in the end (delta: 922.7MB). Free memory was 353.6MB in the beginning and 841.8MB in the end (delta: -488.2MB). Peak memory consumption was 434.2MB. Max. memory is 16.1GB. * Witness Printer took 120.32ms. Allocated memory is still 1.5GB. Free memory was 841.8MB in the beginning and 825.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:15:56,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fb11b07-5e86-4a27-b638-f1d6cb891b34/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE