./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-programs/Problem102_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/eca-programs/Problem102_label49.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 7b9559560b135eef154609e6f5a89e695f3f2b4951d642702c0039862ad3e6bb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 22:56:03,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 22:56:03,579 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 22:56:03,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 22:56:03,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 22:56:03,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 22:56:03,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 22:56:03,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 22:56:03,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 22:56:03,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 22:56:03,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 22:56:03,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 22:56:03,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 22:56:03,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 22:56:03,601 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 22:56:03,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 22:56:03,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 22:56:03,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 22:56:03,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 22:56:03,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 22:56:03,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 22:56:03,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 22:56:03,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 22:56:03,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 22:56:03,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 22:56:03,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 22:56:03,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 22:56:03,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 22:56:03,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 22:56:03,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 22:56:03,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 22:56:03,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 22:56:03,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 22:56:03,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 22:56:03,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 22:56:03,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 22:56:03,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 22:56:03,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 22:56:03,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 22:56:03,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 22:56:03,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 22:56:03,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 22:56:03,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b9559560b135eef154609e6f5a89e695f3f2b4951d642702c0039862ad3e6bb [2024-11-21 22:56:03,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 22:56:03,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 22:56:03,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 22:56:03,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 22:56:03,839 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 22:56:03,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-programs/Problem102_label49.c [2024-11-21 22:56:05,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 22:56:06,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 22:56:06,939 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-programs/Problem102_label49.c [2024-11-21 22:56:07,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473d879c2/b3420da519254a8dae73ceea4f861dcd/FLAG4c385cb8e [2024-11-21 22:56:07,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/473d879c2/b3420da519254a8dae73ceea4f861dcd [2024-11-21 22:56:07,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 22:56:07,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 22:56:07,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 22:56:07,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 22:56:07,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 22:56:07,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:56:07" (1/1) ... [2024-11-21 22:56:07,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419608d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:07, skipping insertion in model container [2024-11-21 22:56:07,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:56:07" (1/1) ... [2024-11-21 22:56:07,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 22:56:23,797 WARN L250 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-programs/Problem102_label49.c[5707673,5707686] [2024-11-21 22:56:23,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 22:56:23,889 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 22:56:32,295 WARN L250 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-programs/Problem102_label49.c[5707673,5707686] [2024-11-21 22:56:32,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 22:56:36,126 INFO L204 MainTranslator]: Completed translation [2024-11-21 22:56:36,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36 WrapperNode [2024-11-21 22:56:36,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 22:56:36,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 22:56:36,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 22:56:36,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 22:56:36,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:37,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:40,837 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184377 [2024-11-21 22:56:40,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 22:56:40,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 22:56:40,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 22:56:40,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 22:56:40,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:40,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:41,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:42,929 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]. [2024-11-21 22:56:42,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:42,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:45,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:45,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:45,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:45,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:46,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 22:56:46,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 22:56:46,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 22:56:46,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 22:56:46,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:36" (1/1) ... [2024-11-21 22:56:47,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 22:56:47,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 22:56:47,029 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) [2024-11-21 22:56:47,031 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 [2024-11-21 22:56:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 22:56:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-21 22:56:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 22:56:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 22:56:47,199 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 22:56:47,201 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation