./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label16.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_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/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_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/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_7d9dc725-3ed9-4fc3-8540-2914be0805bf/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 521ecb21a44481abd134a70daa874bfd77abccd47d2184b1e98394b3da5fb6e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:54:47,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:54:47,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:54:47,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:54:47,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:54:47,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:54:47,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:54:47,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:54:47,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:54:47,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:54:47,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:54:47,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:54:47,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:54:47,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:54:47,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:54:47,687 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:54:47,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:54:47,687 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:54:47,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:54:47,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:54:47,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:54:47,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:54:47,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:54:47,688 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:54:47,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:54:47,688 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_7d9dc725-3ed9-4fc3-8540-2914be0805bf/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 -> 521ecb21a44481abd134a70daa874bfd77abccd47d2184b1e98394b3da5fb6e0 [2024-11-25 04:54:48,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:54:48,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:54:48,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:54:48,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:54:48,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:54:48,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem07_label16.c [2024-11-25 04:54:51,095 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/data/b1b6a36e4/e15c24cf05a74a4ea47c02ec77b709d9/FLAG0480f9a24 [2024-11-25 04:54:52,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:54:52,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/sv-benchmarks/c/eca-rers2012/Problem07_label16.c [2024-11-25 04:54:53,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/data/b1b6a36e4/e15c24cf05a74a4ea47c02ec77b709d9/FLAG0480f9a24 [2024-11-25 04:54:53,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/data/b1b6a36e4/e15c24cf05a74a4ea47c02ec77b709d9 [2024-11-25 04:54:53,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:54:53,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:54:53,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:54:53,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:54:53,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:54:53,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:53" (1/1) ... [2024-11-25 04:54:53,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b6cbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:53, skipping insertion in model container [2024-11-25 04:54:53,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:53" (1/1) ... [2024-11-25 04:54:54,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:55:04,834 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_7d9dc725-3ed9-4fc3-8540-2914be0805bf/sv-benchmarks/c/eca-rers2012/Problem07_label16.c[2775464,2775477] [2024-11-25 04:55:04,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:55:04,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:55:11,811 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_7d9dc725-3ed9-4fc3-8540-2914be0805bf/sv-benchmarks/c/eca-rers2012/Problem07_label16.c[2775464,2775477] [2024-11-25 04:55:11,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:55:12,973 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:55:12,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12 WrapperNode [2024-11-25 04:55:12,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:55:12,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:55:12,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:55:12,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:55:12,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:13,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:17,145 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818 [2024-11-25 04:55:17,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:55:17,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:55:17,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:55:17,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:55:17,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:17,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:17,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:17,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:18,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:18,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:19,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:19,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:19,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:19,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:55:19,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:55:19,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:55:19,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:55:19,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:12" (1/1) ... [2024-11-25 04:55:19,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:55:19,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:55:19,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:55:19,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9dc725-3ed9-4fc3-8540-2914be0805bf/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:55:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:55:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:55:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:55:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:55:19,954 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:55:19,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:56:10,333 INFO L? ?]: Removed 10224 outVars from TransFormulas that were not future-live. [2024-11-25 04:56:10,333 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:56:11,517 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:56:11,517 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:56:11,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:11 BoogieIcfgContainer [2024-11-25 04:56:11,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:56:11,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:56:11,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:56:11,530 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:56:11,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:11" (1/1) ... [2024-11-25 04:56:11,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:56:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2024-11-25 04:56:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2024-11-25 04:56:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2024-11-25 04:56:12,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:12,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat