./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label19.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2733254e046f995e337f4e5bf9ef8af6485c9619dd1a5f9d4de698ceba5c579d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-13 23:20:38,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 23:20:38,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 23:20:38,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 23:20:38,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 23:20:38,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 23:20:38,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 23:20:38,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 23:20:38,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 23:20:38,718 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 23:20:38,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 23:20:38,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 23:20:38,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 23:20:38,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 23:20:38,721 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 23:20:38,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 23:20:38,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 23:20:38,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 23:20:38,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 23:20:38,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 23:20:38,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 23:20:38,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 23:20:38,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 23:20:38,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 23:20:38,729 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 23:20:38,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 23:20:38,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 23:20:38,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 23:20:38,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 23:20:38,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 23:20:38,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 23:20:38,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 23:20:38,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 23:20:38,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 23:20:38,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 23:20:38,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 23:20:38,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 23:20:38,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 23:20:38,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 23:20:38,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 23:20:38,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 23:20:38,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 23:20:38,735 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2733254e046f995e337f4e5bf9ef8af6485c9619dd1a5f9d4de698ceba5c579d [2024-10-13 23:20:38,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 23:20:39,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 23:20:39,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 23:20:39,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 23:20:39,021 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 23:20:39,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label19.c [2024-10-13 23:20:40,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 23:20:43,042 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 23:20:43,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label19.c [2024-10-13 23:20:43,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d583e56/3fc2be365d9b4d3088ff1016ce267911/FLAG29035684d [2024-10-13 23:20:43,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d583e56/3fc2be365d9b4d3088ff1016ce267911 [2024-10-13 23:20:43,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 23:20:43,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 23:20:43,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 23:20:43,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 23:20:43,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 23:20:43,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:20:43" (1/1) ... [2024-10-13 23:20:43,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70738505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:20:43, skipping insertion in model container [2024-10-13 23:20:43,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:20:43" (1/1) ... [2024-10-13 23:20:44,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 23:21:02,158 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label19.c[6301484,6301497] [2024-10-13 23:21:02,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 23:21:02,272 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 23:21:11,637 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem09_label19.c[6301484,6301497] [2024-10-13 23:21:11,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 23:21:15,259 INFO L204 MainTranslator]: Completed translation [2024-10-13 23:21:15,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15 WrapperNode [2024-10-13 23:21:15,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 23:21:15,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 23:21:15,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 23:21:15,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 23:21:15,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:16,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:21,382 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197893 [2024-10-13 23:21:21,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 23:21:21,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 23:21:21,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 23:21:21,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 23:21:21,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:21,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:22,893 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:23,529 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 23:21:23,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:23,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:25,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:26,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:26,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:26,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:27,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 23:21:27,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 23:21:27,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 23:21:27,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 23:21:27,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:21:15" (1/1) ... [2024-10-13 23:21:27,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 23:21:27,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 23:21:27,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 23:21:27,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 23:21:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 23:21:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 23:21:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 23:21:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 23:21:27,673 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 23:21:27,675 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation