./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_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 05:02:46,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:02:46,141 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:02:46,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:02:46,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:02:46,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:02:46,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:02:46,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:02:46,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:02:46,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:02:46,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:02:46,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:02:46,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:02:46,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:02:46,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:02:46,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:02:46,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:02:46,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:02:46,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:02:46,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:02:46,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:02:46,186 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:02:46,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:02:46,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:02:46,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:02:46,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:02:46,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:02:46,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:02:46,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:02:46,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:02:46,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:02:46,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:02:46,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:02:46,188 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_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 05:02:46,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:02:46,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:02:46,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:02:46,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:02:46,509 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:02:46,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2024-11-25 05:02:49,436 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/data/3633c54ac/a8939565564c4334a3f9aa215dcaf616/FLAG6108f4d35 [2024-11-25 05:02:49,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:02:49,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2024-11-25 05:02:49,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/data/3633c54ac/a8939565564c4334a3f9aa215dcaf616/FLAG6108f4d35 [2024-11-25 05:02:49,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/data/3633c54ac/a8939565564c4334a3f9aa215dcaf616 [2024-11-25 05:02:49,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:02:49,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:02:49,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:02:49,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:02:49,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:02:49,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:49" (1/1) ... [2024-11-25 05:02:49,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa5d9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:49, skipping insertion in model container [2024-11-25 05:02:49,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:49" (1/1) ... [2024-11-25 05:02:49,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:02:50,130 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_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759] [2024-11-25 05:02:50,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:02:50,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:02:50,357 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_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/sv-benchmarks/c/eca-rers2012/Problem14_label17.c[5746,5759] [2024-11-25 05:02:50,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:02:50,520 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:02:50,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50 WrapperNode [2024-11-25 05:02:50,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:02:50,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:02:50,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:02:50,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:02:50,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,645 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 05:02:50,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:02:50,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:02:50,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:02:50,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:02:50,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:02:50,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:02:50,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:02:50,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:02:50,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:50" (1/1) ... [2024-11-25 05:02:50,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:02:50,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:02:50,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:02:50,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:02:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:02:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:02:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:02:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:02:50,876 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:02:50,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:02:52,424 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 05:02:52,425 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:02:57,002 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:02:57,003 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:02:57,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:57 BoogieIcfgContainer [2024-11-25 05:02:57,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:02:57,004 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:02:57,004 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:02:57,013 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:02:57,013 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:57" (1/1) ... [2024-11-25 05:02:57,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:02:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 05:02:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 05:02:57,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:02:57,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:57,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:02:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:02:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 05:02:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 05:02:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:02:57,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:57,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:02:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-25 05:03:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-25 05:03:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:03:19,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:03:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:03:57,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:57,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-11-25 05:03:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-11-25 05:03:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:03:57,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:57,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:03:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:04:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:04:34,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:04:34,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-25 05:04:34,129 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-25 05:04:34,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:04:34,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:04:34,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:04:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:05:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:05:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:05:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-11-25 05:05:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-11-25 05:05:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:05:51,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:05:51,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:05:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2024-11-25 05:06:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2024-11-25 05:06:56,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 05:06:56,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:56,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:07:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 05:07:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:07:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 85 transitions. [2024-11-25 05:07:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2024-11-25 05:07:16,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:07:16,260 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-25 05:07:16,269 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:07:16,588 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))) [2024-11-25 05:07:16,588 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))) [2024-11-25 05:07:16,588 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))) [2024-11-25 05:07:16,588 INFO L75 FloydHoareUtils]: For program point L182(line 182) no Hoare annotation was computed. [2024-11-25 05:07:16,588 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:07:16,589 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2024-11-25 05:07:16,589 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 05:07:16,589 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:07:16,589 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))) [2024-11-25 05:07:16,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:07:16 ImpRootNode [2024-11-25 05:07:16,603 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:07:16,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:07:16,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:07:16,604 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:07:16,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:57" (3/4) ... [2024-11-25 05:07:16,608 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:07:16,625 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-11-25 05:07:16,627 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-25 05:07:16,628 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 05:07:16,630 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:07:16,812 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:07:16,812 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:07:16,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:07:16,815 INFO L158 Benchmark]: Toolchain (without parser) took 266912.83ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 116.3MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 518.0MB. Max. memory is 16.1GB. [2024-11-25 05:07:16,817 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:07:16,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.27ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 84.3MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 05:07:16,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.64ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 75.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:07:16,818 INFO L158 Benchmark]: Boogie Preprocessor took 88.46ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 69.1MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:07:16,819 INFO L158 Benchmark]: RCFGBuilder took 6268.29ms. Allocated memory was 142.6MB in the beginning and 637.5MB in the end (delta: 494.9MB). Free memory was 68.9MB in the beginning and 302.6MB in the end (delta: -233.7MB). Peak memory consumption was 359.0MB. Max. memory is 16.1GB. [2024-11-25 05:07:16,819 INFO L158 Benchmark]: CodeCheck took 259599.13ms. Allocated memory was 637.5MB in the beginning and 2.2GB in the end (delta: 1.6GB). Free memory was 302.6MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 201.0MB. Max. memory is 16.1GB. [2024-11-25 05:07:16,819 INFO L158 Benchmark]: Witness Printer took 210.22ms. Allocated memory is still 2.2GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:07:16,825 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: 259.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 266 mSDsluCounter, 277 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 851 IncrementalHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 111 mSDtfsCounter, 851 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 885 GetRequests, 753 SyntacticMatches, 26 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5613 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 253.1s 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 0.87ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.27ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 84.3MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.64ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 75.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.46ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 69.1MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6268.29ms. Allocated memory was 142.6MB in the beginning and 637.5MB in the end (delta: 494.9MB). Free memory was 68.9MB in the beginning and 302.6MB in the end (delta: -233.7MB). Peak memory consumption was 359.0MB. Max. memory is 16.1GB. * CodeCheck took 259599.13ms. Allocated memory was 637.5MB in the beginning and 2.2GB in the end (delta: 1.6GB). Free memory was 302.6MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 201.0MB. Max. memory is 16.1GB. * Witness Printer took 210.22ms. Allocated memory is still 2.2GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:07:16,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05400e3e-ddce-4aa1-b3b1-6e65a04405e8/bin/ukojak-verify-ENZ3QT5qd3/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