This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:08:47,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:47,437 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:08:47,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:47,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:47,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:47,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:47,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:47,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:47,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:47,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:47,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:47,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:47,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:47,483 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:47,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:47,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:47,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:47,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:08:47,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:47,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:47,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:47,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:47,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:47,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:47,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:47,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:47,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:47,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:47,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:47,487 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:47,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:47,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:47,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:47,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:47,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:47,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:47,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:08:47,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:08:47,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:47,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:47,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:47,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:47,491 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:47,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:47,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:47,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:47,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:47,778 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:47,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 20:08:49,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:49,342 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:49,342 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 20:08:49,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0890d4fca/f10d4d55ce964c7b98afcee6c7e82a2a/FLAG41be3225d [2024-09-20 20:08:49,372 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0890d4fca/f10d4d55ce964c7b98afcee6c7e82a2a [2024-09-20 20:08:49,376 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:49,377 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:49,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-20 20:08:49,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:49,432 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:49,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:49,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:49,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:49,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:49" (1/2) ... [2024-09-20 20:08:49,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cd816c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:49, skipping insertion in model container [2024-09-20 20:08:49,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:49" (1/2) ... [2024-09-20 20:08:49,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65726275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:49, skipping insertion in model container [2024-09-20 20:08:49,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:49" (2/2) ... [2024-09-20 20:08:49,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cd816c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49, skipping insertion in model container [2024-09-20 20:08:49,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:49" (2/2) ... [2024-09-20 20:08:49,457 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:49,458 INFO L1541 ArrayList]: Location invariant before [L34-L305] (((((1 <= main__i) && (1 <= main__j)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) || ((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-20 20:08:49,458 INFO L1541 ArrayList]: Location invariant before [L30-L311] (((\old(__return_334) == __return_334) && (((long long) main__limit + 4) <= main__bufsize)) && ((main__i == 0) || (0 < main__i))) [2024-09-20 20:08:49,458 INFO L1541 ArrayList]: Location invariant before [L38-L294] ((((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len)))) && (5 <= main__bufsize)) || (((((1 <= main__j) && (((long long) 5 + main__j) <= main__bufsize)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-20 20:08:49,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:49,667 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-20 20:08:49,674 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-20 20:08:49,678 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-20 20:08:49,679 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-20 20:08:49,684 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-20 20:08:49,687 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-20 20:08:49,691 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-20 20:08:49,694 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-20 20:08:49,695 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-20 20:08:49,697 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-20 20:08:49,699 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-20 20:08:49,701 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-20 20:08:49,702 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-20 20:08:49,703 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-20 20:08:49,710 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-20 20:08:49,711 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-20 20:08:49,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:49,729 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:08:49,744 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-20 20:08:49,745 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-20 20:08:49,746 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-20 20:08:49,748 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-20 20:08:49,749 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-20 20:08:49,750 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-20 20:08:49,752 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-20 20:08:49,753 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-20 20:08:49,754 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-20 20:08:49,755 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-20 20:08:49,758 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-20 20:08:49,759 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-20 20:08:49,760 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-20 20:08:49,761 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-20 20:08:49,763 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-20 20:08:49,765 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:08:49,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:49,826 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:49,826 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49 WrapperNode [2024-09-20 20:08:49,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:49,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:49,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:49,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:49,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,848 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,869 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]. [2024-09-20 20:08:49,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:49,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:49,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:49,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:49,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (1/1) ... [2024-09-20 20:08:49,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:49,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:49,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:08:49,941 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:08:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:08:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:08:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:08:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:08:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 20:08:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 20:08:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 20:08:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:50,075 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:50,077 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:50,416 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:50,465 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:50,467 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:08:50,467 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:50 BoogieIcfgContainer [2024-09-20 20:08:50,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:50,468 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:50,468 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:50,469 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:50,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:49" (1/4) ... [2024-09-20 20:08:50,470 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@9c18326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:50, skipping insertion in model container [2024-09-20 20:08:50,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:49" (2/4) ... [2024-09-20 20:08:50,471 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@9c18326 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:50, skipping insertion in model container [2024-09-20 20:08:50,471 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:49" (3/4) ... [2024-09-20 20:08:50,472 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@9c18326 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:50, skipping insertion in model container [2024-09-20 20:08:50,472 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:50" (4/4) ... [2024-09-20 20:08:50,473 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 20:08:50,476 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:08:50,477 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 20:08:50,478 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,478 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,479 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,479 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,479 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,479 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,480 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,480 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,481 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,481 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 20:08:50,482 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,482 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,482 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,482 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,482 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 20:08:50,482 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,483 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,483 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:50,483 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-20 20:08:50,551 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 20:08:50,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:50,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:50,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:50,557 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:50,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:50,717 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-20 20:08:50,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:50,718 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:50,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:50,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:50,762 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:50,792 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:50,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:50,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:50,793 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:50,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:50,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:50,902 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:50,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:50,903 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:50,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:50,904 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:50,922 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:50,938 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:50,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:50,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:50,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:50,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:50,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,043 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:51,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,043 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,044 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,058 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,072 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:51,074 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,074 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,075 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,155 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:51,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,156 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,170 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,183 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:51,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,183 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,183 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,183 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,269 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:51,269 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,272 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,285 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,299 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:51,301 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,301 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,302 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,391 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:51,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,392 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,393 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,405 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,419 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:51,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,493 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:51,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,495 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,507 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,522 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:51,522 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,605 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 20:08:51,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,622 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,633 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:51,633 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,633 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,633 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,634 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,726 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 20:08:51,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,727 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,727 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,727 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,743 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,752 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:51,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,826 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 20:08:51,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,827 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,827 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,842 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,851 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 20:08:51,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,909 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-20 20:08:51,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,910 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,925 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:51,936 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:51,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,049 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:52,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:52,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:52,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:52,068 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:52,081 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:52,081 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:52,081 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:52,081 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:52,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:52,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,158 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:52,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:52,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:52,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:52,169 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:52,178 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:52,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:52,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:52,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:52,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:52,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,241 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 20:08:52,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,245 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:52,245 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:52,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:52,263 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:52,271 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:52,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:52,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:52,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:52,273 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:52,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,327 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:52,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:52,328 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:52,328 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:52,356 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:52,364 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 20:08:52,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:52,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:52,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:52,365 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:52,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,415 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-20 20:08:52,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:52,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:52,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:52,417 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:52,426 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 20:08:52,430 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.<init>(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.<init>(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.<init>(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 20:08:52,434 INFO L158 Benchmark]: Toolchain (without parser) took 3001.95ms. Allocated memory was 140.5MB in the beginning and 239.1MB in the end (delta: 98.6MB). Free memory was 90.2MB in the beginning and 164.9MB in the end (delta: -74.7MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2024-09-20 20:08:52,435 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:52,435 INFO L158 Benchmark]: Witness Parser took 1.23ms. Allocated memory is still 140.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:52,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.29ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 68.9MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-20 20:08:52,439 INFO L158 Benchmark]: Boogie Preprocessor took 70.54ms. Allocated memory is still 140.5MB. Free memory was 68.9MB in the beginning and 66.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:52,439 INFO L158 Benchmark]: RCFGBuilder took 569.04ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 66.3MB in the beginning and 163.7MB in the end (delta: -97.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:52,441 INFO L158 Benchmark]: Referee took 1964.60ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 163.7MB in the beginning and 164.9MB in the end (delta: -1.1MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. [2024-09-20 20:08:52,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.<init>(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.23ms. Allocated memory is still 140.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.29ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 68.9MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.54ms. Allocated memory is still 140.5MB. Free memory was 68.9MB in the beginning and 66.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.04ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 66.3MB in the beginning and 163.7MB in the end (delta: -97.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 1964.60ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 163.7MB in the beginning and 164.9MB in the end (delta: -1.1MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:08:52,477 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:08:54,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:54,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:08:54,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:54,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:54,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:54,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:54,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:54,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:54,776 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:54,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:54,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:54,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:54,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:54,778 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:54,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:54,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:54,779 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:54,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:54,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:54,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:54,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:54,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:54,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:08:54,784 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:08:54,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:54,785 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:08:54,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:54,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:54,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:54,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:54,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:54,786 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:54,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:54,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:54,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:54,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:54,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:54,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:54,789 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:08:54,789 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:08:54,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:54,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:54,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:54,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:54,790 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:08:54,790 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:55,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:55,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:55,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:55,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:55,116 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:55,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 20:08:56,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:56,779 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:56,780 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 20:08:56,788 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/193b129fb/cf053e4b33504d3c8bfbe2bdb9552bc5/FLAG556e72aa4 [2024-09-20 20:08:57,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/193b129fb/cf053e4b33504d3c8bfbe2bdb9552bc5 [2024-09-20 20:08:57,152 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:57,153 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:57,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-20 20:08:57,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:57,211 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:57,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:57,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:57,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:57,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:57" (1/2) ... [2024-09-20 20:08:57,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f18663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:57, skipping insertion in model container [2024-09-20 20:08:57,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:57" (1/2) ... [2024-09-20 20:08:57,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10f3098f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:57, skipping insertion in model container [2024-09-20 20:08:57,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:57" (2/2) ... [2024-09-20 20:08:57,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f18663 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57, skipping insertion in model container [2024-09-20 20:08:57,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:57" (2/2) ... [2024-09-20 20:08:57,236 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:57,236 INFO L1541 ArrayList]: Location invariant before [L38-L294] ((((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len)))) && (5 <= main__bufsize)) || (((((1 <= main__j) && (((long long) 5 + main__j) <= main__bufsize)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-20 20:08:57,237 INFO L1541 ArrayList]: Location invariant before [L34-L305] (((((1 <= main__i) && (1 <= main__j)) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) || ((((main__j == 0) && (\old(__return_334) == __return_334)) && (((long long) main__limit + 4) <= main__bufsize)) && (((main__i == 0) && (1 <= main__len)) || ((1 <= main__i) && (((long long) main__i + 1) <= main__len))))) [2024-09-20 20:08:57,237 INFO L1541 ArrayList]: Location invariant before [L30-L311] (((\old(__return_334) == __return_334) && (((long long) main__limit + 4) <= main__bufsize)) && ((main__i == 0) || (0 < main__i))) [2024-09-20 20:08:57,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:57,420 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-20 20:08:57,425 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-20 20:08:57,427 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-20 20:08:57,428 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-20 20:08:57,434 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-20 20:08:57,436 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-20 20:08:57,439 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-20 20:08:57,440 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-20 20:08:57,441 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-20 20:08:57,442 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-20 20:08:57,444 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-20 20:08:57,446 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-20 20:08:57,447 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-20 20:08:57,448 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-20 20:08:57,450 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-20 20:08:57,454 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-20 20:08:57,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:57,476 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:08:57,496 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-20 20:08:57,497 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-20 20:08:57,498 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-20 20:08:57,499 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-20 20:08:57,501 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-20 20:08:57,502 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-20 20:08:57,503 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-20 20:08:57,505 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-20 20:08:57,506 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-20 20:08:57,507 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-20 20:08:57,510 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-20 20:08:57,512 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-20 20:08:57,514 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-20 20:08:57,517 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-20 20:08:57,518 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-20 20:08:57,520 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:08:57,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:57,582 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:57,583 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57 WrapperNode [2024-09-20 20:08:57,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:57,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:57,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:57,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:57,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,618 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]. [2024-09-20 20:08:57,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:57,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:57,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:57,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:57,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (1/1) ... [2024-09-20 20:08:57,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:57,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:57,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:08:57,684 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:08:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:08:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 20:08:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 20:08:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 20:08:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:57,827 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:57,830 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:58,151 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:58,203 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:58,205 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:08:58,206 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:58 BoogieIcfgContainer [2024-09-20 20:08:58,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:58,207 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:58,207 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:58,208 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:58,208 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:57" (1/4) ... [2024-09-20 20:08:58,209 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ddfb5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:58, skipping insertion in model container [2024-09-20 20:08:58,210 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:57" (2/4) ... [2024-09-20 20:08:58,210 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ddfb5b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:58, skipping insertion in model container [2024-09-20 20:08:58,210 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:57" (3/4) ... [2024-09-20 20:08:58,210 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ddfb5b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:58, skipping insertion in model container [2024-09-20 20:08:58,211 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:58" (4/4) ... [2024-09-20 20:08:58,212 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-20 20:08:58,216 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:08:58,217 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 20:08:58,218 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,218 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,218 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,219 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,219 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,219 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,220 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,221 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,221 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,221 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 20:08:58,221 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,222 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,222 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,222 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,223 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 20:08:58,223 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,225 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,225 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 20:08:58,225 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-20 20:08:58,299 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 20:08:58,300 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:58,301 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:58,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:58,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:58,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,480 INFO L101 BaseMinimizeStates]: Removed 65 edges and 25 locations by large block encoding [2024-09-20 20:08:58,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,482 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:58,482 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:58,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:58,523 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:58,544 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:58,545 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:58,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:58,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:58,545 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:58,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,668 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:58,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:58,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:58,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:58,684 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:58,700 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:58,700 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:58,700 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:58,700 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:58,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:58,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,801 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:58,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:58,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:58,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:58,824 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:58,845 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:58,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:58,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:58,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:58,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:58,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,942 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:58,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:58,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:58,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:58,959 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:58,974 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:58,975 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:58,976 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:58,976 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:58,976 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:58,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,082 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:59,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,082 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,083 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,106 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,124 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:59,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,128 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,213 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:59,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,249 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,265 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:59,266 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,333 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:59,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,333 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,348 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,362 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:59,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,363 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,446 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 20:08:59,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,446 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,446 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,462 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,474 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:59,474 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,556 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 20:08:59,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,557 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,557 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,557 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,571 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,581 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:59,581 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,660 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 20:08:59,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,684 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,697 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 20:08:59,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,776 INFO L101 BaseMinimizeStates]: Removed 64 edges and 25 locations by large block encoding [2024-09-20 20:08:59,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,793 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,805 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:59,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,806 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,806 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,806 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,879 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:59,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,880 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,892 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,900 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:59,900 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,901 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,901 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,957 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:08:59,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:59,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:59,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:59,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:59,970 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:08:59,978 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:08:59,978 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:59,979 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:59,979 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:59,979 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:59,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:00,061 INFO L101 BaseMinimizeStates]: Removed 68 edges and 26 locations by large block encoding [2024-09-20 20:09:00,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:00,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:00,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:00,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:00,077 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:09:00,085 INFO L314 BlockEncoder]: Initial Icfg 29 locations, 33 edges [2024-09-20 20:09:00,085 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:00,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:00,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:00,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:00,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:00,144 INFO L101 BaseMinimizeStates]: Removed 67 edges and 26 locations by large block encoding [2024-09-20 20:09:00,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:00,144 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:00,144 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:00,144 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:00,155 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:09:00,163 INFO L314 BlockEncoder]: Initial Icfg 28 locations, 32 edges [2024-09-20 20:09:00,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:00,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:00,164 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:00,164 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:00,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:00,247 INFO L101 BaseMinimizeStates]: Removed 67 edges and 25 locations by large block encoding [2024-09-20 20:09:00,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:00,248 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:00,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:00,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:00,262 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 20:09:00,263 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.<init>(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.<init>(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.<init>(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 20:09:00,269 INFO L158 Benchmark]: Toolchain (without parser) took 3057.22ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 62.3MB in the beginning and 140.6MB in the end (delta: -78.3MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2024-09-20 20:09:00,269 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 26.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:00,270 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 32.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:00,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.09ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 41.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-20 20:09:00,271 INFO L158 Benchmark]: Boogie Preprocessor took 66.87ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 38.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:00,271 INFO L158 Benchmark]: RCFGBuilder took 554.63ms. Allocated memory is still 83.9MB. Free memory was 38.2MB in the beginning and 47.6MB in the end (delta: -9.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-09-20 20:09:00,271 INFO L158 Benchmark]: Referee took 2060.95ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 47.6MB in the beginning and 140.6MB in the end (delta: -93.1MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. [2024-09-20 20:09:00,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.<init>(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 26.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 32.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.09ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 41.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.87ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 38.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.63ms. Allocated memory is still 83.9MB. Free memory was 38.2MB in the beginning and 47.6MB in the end (delta: -9.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Referee took 2060.95ms. Allocated memory was 83.9MB in the beginning and 192.9MB in the end (delta: 109.1MB). Free memory was 47.6MB in the beginning and 140.6MB in the end (delta: -93.1MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:09:00,306 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...