./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:50:16,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:50:16,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:50:16,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:50:16,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:50:16,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:50:16,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:50:16,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:50:16,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:50:16,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:50:16,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:50:16,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:50:16,365 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:50:16,368 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:50:16,369 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:50:16,369 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:50:16,369 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:50:16,370 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:50:16,370 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:50:16,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:50:16,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:50:16,372 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:50:16,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:50:16,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:50:16,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:50:16,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:50:16,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:50:16,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:50:16,374 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:50:16,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:50:16,375 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:50:16,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:50:16,375 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:50:16,375 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:50:16,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:50:16,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:50:16,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:50:16,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:50:16,378 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:50:16,378 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4506e3d5e012e1662dc0aa7741c8e3f8f99dc7c5ccf1f202c2f95071bfbf64 [2024-10-15 00:50:16,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:50:16,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:50:16,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:50:16,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:50:16,650 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:50:16,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2024-10-15 00:50:18,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:50:18,502 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:50:18,503 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2024-10-15 00:50:18,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ffe0f230/01a7a7d6f537480f953974ccb7a07a7c/FLAG2b0829386 [2024-10-15 00:50:18,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ffe0f230/01a7a7d6f537480f953974ccb7a07a7c [2024-10-15 00:50:18,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:50:18,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:50:18,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:50:18,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:50:18,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:50:18,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:50:18" (1/1) ... [2024-10-15 00:50:18,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f60efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:18, skipping insertion in model container [2024-10-15 00:50:18,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:50:18" (1/1) ... [2024-10-15 00:50:18,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:50:19,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:50:19,355 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:50:19,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-10-15 00:50:19,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [414] [2024-10-15 00:50:19,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [423] [2024-10-15 00:50:19,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [441] [2024-10-15 00:50:19,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [561] [2024-10-15 00:50:19,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1641] [2024-10-15 00:50:19,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [1918] [2024-10-15 00:50:19,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1952] [2024-10-15 00:50:19,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2362] [2024-10-15 00:50:19,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2922] [2024-10-15 00:50:19,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [3271] [2024-10-15 00:50:19,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:50:19,509 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:50:19,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19 WrapperNode [2024-10-15 00:50:19,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:50:19,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:50:19,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:50:19,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:50:19,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:19,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:23,474 INFO L138 Inliner]: procedures = 151, calls = 265, calls flagged for inlining = 190, calls inlined = 20877, statements flattened = 299819 [2024-10-15 00:50:23,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:50:23,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:50:23,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:50:23,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:50:23,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:23,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:24,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:25,000 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-10-15 00:50:25,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:25,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:26,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:27,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:27,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:28,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:28,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:50:28,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:50:28,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:50:28,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:50:28,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (1/1) ... [2024-10-15 00:50:28,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:50:28,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:50:28,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:50:28,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-15 00:50:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:50:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:50:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 00:50:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-15 00:50:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-15 00:50:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:50:28,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:50:29,093 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:50:29,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:51:31,041 INFO L? ?]: Removed 153604 outVars from TransFormulas that were not future-live. [2024-10-15 00:51:31,041 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:51:31,452 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:51:31,452 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 00:51:31,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:51:31 BoogieIcfgContainer [2024-10-15 00:51:31,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:51:31,454 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:51:31,454 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:51:31,457 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:51:31,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:51:31,458 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:50:18" (1/3) ... [2024-10-15 00:51:31,459 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6718a819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:51:31, skipping insertion in model container [2024-10-15 00:51:31,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:51:31,459 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:50:19" (2/3) ... [2024-10-15 00:51:31,460 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6718a819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:51:31, skipping insertion in model container [2024-10-15 00:51:31,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:51:31,460 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:51:31" (3/3) ... [2024-10-15 00:51:31,461 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2024-10-15 00:51:32,250 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:51:32,250 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:51:32,250 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:51:32,250 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:51:32,251 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:51:32,251 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:51:32,251 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:51:32,251 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:51:32,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50134 states, 50133 states have (on average 1.570801667564279) internal successors, (78749), 50133 states have internal predecessors, (78749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:51:33,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 293 [2024-10-15 00:51:33,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:51:33,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:51:33,209 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:51:33,210 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:51:33,210 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:51:33,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50134 states, 50133 states have (on average 1.570801667564279) internal successors, (78749), 50133 states have internal predecessors, (78749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)