This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:08:47,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:47,878 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:08:47,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:47,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:47,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:47,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:47,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:47,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:47,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:47,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:47,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:47,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:47,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:47,926 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:47,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:47,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:47,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:47,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:08:47,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:47,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:47,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:47,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:47,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:47,930 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:47,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:47,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:47,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:47,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:47,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:47,931 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:47,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:47,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:47,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:47,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:47,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:47,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:47,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:08:47,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:08:47,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:47,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:47,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:47,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:47,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:48,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:48,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:48,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:48,214 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:48,215 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:48,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-09-20 20:08:49,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:49,865 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:49,866 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-09-20 20:08:49,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5094cd6c5/14c082df0d7a432ca67f0a0eeb42e184/FLAGd93b374d9 [2024-09-20 20:08:50,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5094cd6c5/14c082df0d7a432ca67f0a0eeb42e184 [2024-09-20 20:08:50,258 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:50,259 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:50,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-escape-absolute.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-20 20:08:50,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:50,323 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:50,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:50,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:50,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:50,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:50" (1/2) ... [2024-09-20 20:08:50,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b6fcfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:50, skipping insertion in model container [2024-09-20 20:08:50,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:50" (1/2) ... [2024-09-20 20:08:50,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bc53d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:50, skipping insertion in model container [2024-09-20 20:08:50,336 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 08:08:50" (2/2) ... [2024-09-20 20:08:50,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b6fcfe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:50, skipping insertion in model container [2024-09-20 20:08:50,337 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 08:08:50" (2/2) ... [2024-09-20 20:08:50,355 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:50,356 INFO L1541 ArrayList]: Location invariant before [L262-L328] ((\old(__return_375) == __return_375) && ((((((long long) main__cp + 2) <= main__urilen) && (main__c == 0)) && (1 <= main__cp)) || (((((long long) main__cp + 2) <= main__urilen) && (1 <= main__c)) && (1 <= main__cp)))) [2024-09-20 20:08:50,356 INFO L1541 ArrayList]: Location invariant before [L232-L343] (((((long long) main__cp + 1) <= main__urilen) && (\old(__return_375) == __return_375)) && (((1 <= main__c) && (1 <= main__cp)) || ((main__c == 0) && (1 <= main__cp)))) [2024-09-20 20:08:50,356 INFO L1541 ArrayList]: Location invariant before [L162-L359] (\old(__return_375) == __return_375) [2024-09-20 20:08:50,356 INFO L1541 ArrayList]: Location invariant before [L131-L402] ((((((long long) main__cp + 1) <= main__urilen) && (\old(__return_375) == __return_375)) && (1 <= main__cp))) && (((((main__urilen == ((long long) main__cp + 1)) && (\old(__return_375) == __return_375)) && (1 <= main__cp)) || (((((long long) main__cp + 2) <= main__urilen) && (\old(__return_375) == __return_375)) && (1 <= main__cp)))) [2024-09-20 20:08:50,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:50,567 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/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2024-09-20 20:08:50,573 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/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2024-09-20 20:08:50,577 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/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2024-09-20 20:08:50,579 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/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2024-09-20 20:08:50,586 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/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2024-09-20 20:08:50,588 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/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2024-09-20 20:08:50,590 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/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2024-09-20 20:08:50,592 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/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2024-09-20 20:08:50,595 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/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2024-09-20 20:08:50,597 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/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2024-09-20 20:08:50,599 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/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2024-09-20 20:08:50,605 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/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2024-09-20 20:08:50,608 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/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2024-09-20 20:08:50,610 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/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2024-09-20 20:08:50,612 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/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2024-09-20 20:08:50,614 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/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2024-09-20 20:08:50,618 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/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2024-09-20 20:08:50,623 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/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2024-09-20 20:08:50,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:50,643 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:08:50,665 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/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2024-09-20 20:08:50,668 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/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2024-09-20 20:08:50,672 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/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2024-09-20 20:08:50,677 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/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2024-09-20 20:08:50,682 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/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2024-09-20 20:08:50,688 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/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2024-09-20 20:08:50,690 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/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2024-09-20 20:08:50,696 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/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2024-09-20 20:08:50,698 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/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2024-09-20 20:08:50,704 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/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2024-09-20 20:08:50,706 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/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2024-09-20 20:08:50,707 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/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2024-09-20 20:08:50,713 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/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2024-09-20 20:08:50,717 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/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2024-09-20 20:08:50,719 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/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2024-09-20 20:08:50,721 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/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:08:50,751 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/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2024-09-20 20:08:50,752 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/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] Start Parsing Local [2024-09-20 20:08:50,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:50,781 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:50,782 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:50 WrapperNode [2024-09-20 20:08:50,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:50,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:50,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:50,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:50,797 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,798 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,810 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,837 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 20:08:50,840 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,840 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,852 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,859 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,864 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,866 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:50,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:50,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:50,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:50,873 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 08:08:50" (1/1) ... [2024-09-20 20:08:50,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:50,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:50,917 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 20:08:50,919 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 20:08:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:08:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:08:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:08:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:08:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:50,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 20:08:50,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:50,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 20:08:50,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 20:08:50,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:51,073 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:51,077 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:51,365 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:51,417 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:51,420 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:08:51,420 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:51 BoogieIcfgContainer [2024-09-20 20:08:51,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:51,421 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:51,421 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:51,422 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:51,422 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:50" (1/4) ... [2024-09-20 20:08:51,422 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28090912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:51, skipping insertion in model container [2024-09-20 20:08:51,424 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 08:08:50" (2/4) ... [2024-09-20 20:08:51,424 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28090912 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:51, skipping insertion in model container [2024-09-20 20:08:51,424 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 08:08:50" (3/4) ... [2024-09-20 20:08:51,424 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28090912 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:51, skipping insertion in model container [2024-09-20 20:08:51,424 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 08:08:51" (4/4) ... [2024-09-20 20:08:51,425 INFO L79 RefereeObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2024-09-20 20:08:51,429 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:08:51,430 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 23 edges. [2024-09-20 20:08:51,431 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:51,431 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-20 20:08:51,432 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-20 20:08:51,432 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-20 20:08:51,433 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:51,433 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 24 edges. [2024-09-20 20:08:51,434 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:51,434 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 27 edges. [2024-09-20 20:08:51,434 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:51,435 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 15 edges. [2024-09-20 20:08:51,435 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 28 edges. [2024-09-20 20:08:51,436 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 49 edges. [2024-09-20 20:08:51,436 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-20 20:08:51,436 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 49 edges. [2024-09-20 20:08:51,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:51,438 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-20 20:08:51,438 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 14 edges. [2024-09-20 20:08:51,438 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 24 edges. [2024-09-20 20:08:51,438 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-20 20:08:51,438 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:51,439 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-20 20:08:51,439 INFO L131 InvariantChecker]: Will check 22 loop-free subgraphs from procedure entry to error location [2024-09-20 20:08:51,502 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 23 edges [2024-09-20 20:08:51,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:51,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:51,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:51,507 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:51,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,624 INFO L101 BaseMinimizeStates]: Removed 45 edges and 20 locations by large block encoding [2024-09-20 20:08:51,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:51,625 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:51,625 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:51,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:51,626 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 20:08:51,627 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.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(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 20:08:51,631 INFO L158 Benchmark]: Toolchain (without parser) took 1307.58ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 113.4MB in the beginning and 181.1MB in the end (delta: -67.7MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2024-09-20 20:08:51,632 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 174.1MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:51,632 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:51,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.89ms. Allocated memory is still 174.1MB. Free memory was 113.4MB in the beginning and 88.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-20 20:08:51,633 INFO L158 Benchmark]: Boogie Preprocessor took 88.21ms. Allocated memory is still 174.1MB. Free memory was 88.3MB in the beginning and 85.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:51,634 INFO L158 Benchmark]: RCFGBuilder took 548.35ms. Allocated memory is still 174.1MB. Free memory was 85.5MB in the beginning and 63.1MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:51,634 INFO L158 Benchmark]: Referee took 209.01ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 63.1MB in the beginning and 181.1MB in the end (delta: -118.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:51,637 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.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 174.1MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.89ms. Allocated memory is still 174.1MB. Free memory was 113.4MB in the beginning and 88.3MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.21ms. Allocated memory is still 174.1MB. Free memory was 88.3MB in the beginning and 85.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.35ms. Allocated memory is still 174.1MB. Free memory was 85.5MB in the beginning and 63.1MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 209.01ms. Allocated memory was 174.1MB in the beginning and 218.1MB in the end (delta: 44.0MB). Free memory was 63.1MB in the beginning and 181.1MB in the end (delta: -118.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:08:51,669 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 20:08:53,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:54,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:08:54,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:54,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:54,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:54,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:54,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:54,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:54,097 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:54,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:54,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:54,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:54,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:54,099 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:54,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:54,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:54,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:54,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:54,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:54,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:54,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:54,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:54,107 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:08:54,107 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:08:54,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:54,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:08:54,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:54,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:54,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:54,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:54,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:54,112 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:54,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:54,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:54,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:54,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:54,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:54,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:54,114 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:08:54,114 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:08:54,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:54,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:54,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:54,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:54,117 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:08:54,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:54,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:54,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:54,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:54,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:54,508 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:54,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-09-20 20:08:56,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:56,305 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:56,306 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-09-20 20:08:56,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/89e833151/495678bf2d644f13ac73efd8a4a84909/FLAG5a049587a [2024-09-20 20:08:56,673 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/89e833151/495678bf2d644f13ac73efd8a4a84909 [2024-09-20 20:08:56,676 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:56,676 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:56,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-escape-absolute.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-20 20:08:56,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:56,738 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:56,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:56,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:56,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:56,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:56" (1/2) ... [2024-09-20 20:08:56,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cb5f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:56, skipping insertion in model container [2024-09-20 20:08:56,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:56" (1/2) ... [2024-09-20 20:08:56,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17af3a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:56, skipping insertion in model container [2024-09-20 20:08:56,752 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 08:08:56" (2/2) ... [2024-09-20 20:08:56,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cb5f31 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:56, skipping insertion in model container [2024-09-20 20:08:56,752 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 08:08:56" (2/2) ... [2024-09-20 20:08:56,774 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:56,775 INFO L1541 ArrayList]: Location invariant before [L162-L359] (\old(__return_375) == __return_375) [2024-09-20 20:08:56,775 INFO L1541 ArrayList]: Location invariant before [L131-L402] ((((((long long) main__cp + 1) <= main__urilen) && (\old(__return_375) == __return_375)) && (1 <= main__cp))) && (((((main__urilen == ((long long) main__cp + 1)) && (\old(__return_375) == __return_375)) && (1 <= main__cp)) || (((((long long) main__cp + 2) <= main__urilen) && (\old(__return_375) == __return_375)) && (1 <= main__cp)))) [2024-09-20 20:08:56,775 INFO L1541 ArrayList]: Location invariant before [L262-L328] ((\old(__return_375) == __return_375) && ((((((long long) main__cp + 2) <= main__urilen) && (main__c == 0)) && (1 <= main__cp)) || (((((long long) main__cp + 2) <= main__urilen) && (1 <= main__c)) && (1 <= main__cp)))) [2024-09-20 20:08:56,776 INFO L1541 ArrayList]: Location invariant before [L232-L343] (((((long long) main__cp + 1) <= main__urilen) && (\old(__return_375) == __return_375)) && (((1 <= main__c) && (1 <= main__cp)) || ((main__c == 0) && (1 <= main__cp)))) [2024-09-20 20:08:56,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:56,989 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/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2024-09-20 20:08:57,008 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/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2024-09-20 20:08:57,010 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/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2024-09-20 20:08:57,016 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/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2024-09-20 20:08:57,020 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/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2024-09-20 20:08:57,022 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/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2024-09-20 20:08:57,024 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/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2024-09-20 20:08:57,027 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/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2024-09-20 20:08:57,033 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/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2024-09-20 20:08:57,039 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/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2024-09-20 20:08:57,041 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/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2024-09-20 20:08:57,045 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/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2024-09-20 20:08:57,047 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/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2024-09-20 20:08:57,049 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/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2024-09-20 20:08:57,053 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/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2024-09-20 20:08:57,056 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/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2024-09-20 20:08:57,062 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/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2024-09-20 20:08:57,067 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/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2024-09-20 20:08:57,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:57,090 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:08:57,111 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/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2024-09-20 20:08:57,113 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/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2024-09-20 20:08:57,116 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/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2024-09-20 20:08:57,118 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/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2024-09-20 20:08:57,120 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/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2024-09-20 20:08:57,122 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/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2024-09-20 20:08:57,127 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/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2024-09-20 20:08:57,129 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/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2024-09-20 20:08:57,135 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/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2024-09-20 20:08:57,136 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/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2024-09-20 20:08:57,140 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/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2024-09-20 20:08:57,141 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/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2024-09-20 20:08:57,143 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/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2024-09-20 20:08:57,145 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/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2024-09-20 20:08:57,146 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/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2024-09-20 20:08:57,147 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/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:08:57,179 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/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2024-09-20 20:08:57,182 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/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] Start Parsing Local [2024-09-20 20:08:57,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:57,211 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:57,211 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 20:08:57,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:57,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:57,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:57,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:57,226 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 20:08:57,227 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 20:08:57,238 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 20:08:57,269 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 20:08:57,270 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 20:08:57,271 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 20:08:57,279 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 20:08:57,286 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 20:08:57,291 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 20:08:57,293 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 20:08:57,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:57,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:57,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:57,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:57,304 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 20:08:57,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:57,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:57,336 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 20:08:57,339 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 20:08:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:08:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:08:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:08:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:08:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 20:08:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 20:08:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 20:08:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:57,495 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:57,497 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:57,881 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:57,921 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:57,922 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:08:57,922 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:57 BoogieIcfgContainer [2024-09-20 20:08:57,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:57,923 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:57,923 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:57,924 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:57,924 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:56" (1/4) ... [2024-09-20 20:08:57,925 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e52c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:57, skipping insertion in model container [2024-09-20 20:08:57,925 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 08:08:56" (2/4) ... [2024-09-20 20:08:57,925 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e52c75 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:57, skipping insertion in model container [2024-09-20 20:08:57,925 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 20:08:57,926 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e52c75 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:57, skipping insertion in model container [2024-09-20 20:08:57,926 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 08:08:57" (4/4) ... [2024-09-20 20:08:57,927 INFO L79 RefereeObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2024-09-20 20:08:57,931 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:08:57,932 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 23 edges. [2024-09-20 20:08:57,934 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:57,934 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-20 20:08:57,934 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-20 20:08:57,934 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-20 20:08:57,934 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:57,935 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 24 edges. [2024-09-20 20:08:57,935 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:57,936 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 27 edges. [2024-09-20 20:08:57,936 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:57,936 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 15 edges. [2024-09-20 20:08:57,937 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 28 edges. [2024-09-20 20:08:57,937 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 49 edges. [2024-09-20 20:08:57,938 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-20 20:08:57,938 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 49 edges. [2024-09-20 20:08:57,938 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:57,938 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-20 20:08:57,938 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 14 edges. [2024-09-20 20:08:57,939 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 24 edges. [2024-09-20 20:08:57,939 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-20 20:08:57,939 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-20 20:08:57,939 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-20 20:08:57,940 INFO L131 InvariantChecker]: Will check 22 loop-free subgraphs from procedure entry to error location [2024-09-20 20:08:58,036 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 23 edges [2024-09-20 20:08:58,038 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:58,038 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:58,039 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:58,040 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:58,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,129 INFO L101 BaseMinimizeStates]: Removed 45 edges and 20 locations by large block encoding [2024-09-20 20:08:58,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:58,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:58,131 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:58,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:58,132 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 20:08:58,133 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.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(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 20:08:58,139 INFO L158 Benchmark]: Toolchain (without parser) took 1400.99ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 37.0MB in the beginning and 34.8MB in the end (delta: 2.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-09-20 20:08:58,140 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 44.0MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:58,140 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:58,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.37ms. Allocated memory is still 62.9MB. Free memory was 36.9MB in the beginning and 29.0MB in the end (delta: 7.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-20 20:08:58,142 INFO L158 Benchmark]: Boogie Preprocessor took 86.94ms. Allocated memory is still 62.9MB. Free memory was 29.0MB in the beginning and 26.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:58,143 INFO L158 Benchmark]: RCFGBuilder took 622.40ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 26.1MB in the beginning and 33.6MB in the end (delta: -7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-20 20:08:58,143 INFO L158 Benchmark]: Referee took 214.58ms. Allocated memory is still 75.5MB. Free memory was 33.6MB in the beginning and 34.8MB in the end (delta: -1.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-09-20 20:08:58,148 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.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 44.0MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.37ms. Allocated memory is still 62.9MB. Free memory was 36.9MB in the beginning and 29.0MB in the end (delta: 7.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.94ms. Allocated memory is still 62.9MB. Free memory was 29.0MB in the beginning and 26.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.40ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 26.1MB in the beginning and 33.6MB in the end (delta: -7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 214.58ms. Allocated memory is still 75.5MB. Free memory was 33.6MB in the beginning and 34.8MB in the end (delta: -1.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:08:58,182 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...