./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-escape-absolute.i.v+cfa-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-escape-absolute.i.v+cfa-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:16,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:16,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:16,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:16,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:16,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:16,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:16,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:16,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:16,186 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:16,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:16,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:16,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:16,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:16,188 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:16,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:16,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:16,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:16,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:16,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:16,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:16,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:16,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:16,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:16,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:16,191 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:16,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:16,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:16,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:16,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:16,191 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:16,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:16,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:16,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:16,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:16,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:16,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:16,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:16,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:16,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:16,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:16,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:16,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:16,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:16,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:16,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:16,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:16,390 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:16,390 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:16,391 INFO L431 ainManager$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 [2024-09-21 12:47:16,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:16,435 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:16,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-09-21 12:47:17,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:17,756 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:17,757 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-09-21 12:47:17,763 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f51d2c0a1/d4d16c12fea942b7afc02b66ebb47dba/FLAG586ee850d [2024-09-21 12:47:17,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f51d2c0a1/d4d16c12fea942b7afc02b66ebb47dba [2024-09-21 12:47:17,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:17,774 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:17,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:17,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:17,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:17,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:16" (1/2) ... [2024-09-21 12:47:17,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e0712b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:16" (1/2) ... [2024-09-21 12:47:17,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79ab0278 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:17" (2/2) ... [2024-09-21 12:47:17,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e0712b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:17, skipping insertion in model container [2024-09-21 12:47:17,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:17" (2/2) ... [2024-09-21 12:47:17,792 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:17,793 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)))) [2024-09-21 12:47:17,793 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)))) [2024-09-21 12:47:17,793 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)))) [2024-09-21 12:47:17,793 INFO L1541 ArrayList]: Location invariant before [L162-L359] (\old(__return_375) == __return_375) [2024-09-21 12:47:17,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:17,995 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] [2024-09-21 12:47:17,999 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] [2024-09-21 12:47:18,000 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] [2024-09-21 12:47:18,001 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] [2024-09-21 12:47:18,005 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] [2024-09-21 12:47:18,007 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] [2024-09-21 12:47:18,010 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[3228,3241] [2024-09-21 12:47:18,012 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] [2024-09-21 12:47:18,014 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] [2024-09-21 12:47:18,015 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] [2024-09-21 12:47:18,016 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[4426,4439] [2024-09-21 12:47:18,017 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] [2024-09-21 12:47:18,019 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] [2024-09-21 12:47:18,020 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[5198,5211] [2024-09-21 12:47:18,021 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] [2024-09-21 12:47:18,022 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[5616,5629] [2024-09-21 12:47:18,024 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[6138,6151] [2024-09-21 12:47:18,025 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] [2024-09-21 12:47:18,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:18,034 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:18,049 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[1551,1564] [2024-09-21 12:47:18,050 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] [2024-09-21 12:47:18,051 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] [2024-09-21 12:47:18,052 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] [2024-09-21 12:47:18,053 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[2701,2714] [2024-09-21 12:47:18,054 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] [2024-09-21 12:47:18,055 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] [2024-09-21 12:47:18,056 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[3435,3448] [2024-09-21 12:47:18,058 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] [2024-09-21 12:47:18,059 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] [2024-09-21 12:47:18,060 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] [2024-09-21 12:47:18,061 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] [2024-09-21 12:47:18,063 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] [2024-09-21 12:47:18,064 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] [2024-09-21 12:47:18,065 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] [2024-09-21 12:47:18,065 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 [2024-09-21 12:47:18,098 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] [2024-09-21 12:47:18,099 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 [2024-09-21 12:47:18,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:18,116 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:18,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18 WrapperNode [2024-09-21 12:47:18,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:18,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:18,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:18,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:18,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,145 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,166 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]. [2024-09-21 12:47:18,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:18,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:18,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:18,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:18,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (1/1) ... [2024-09-21 12:47:18,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:18,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:18,217 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) [2024-09-21 12:47:18,220 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 [2024-09-21 12:47:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:47:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:18,312 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:18,313 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:18,521 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:18,548 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:18,548 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:18,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:18 BoogieIcfgContainer [2024-09-21 12:47:18,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:18,549 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:18,549 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:18,551 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:18,551 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:16" (1/4) ... [2024-09-21 12:47:18,551 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a2eed64 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,552 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:17" (2/4) ... [2024-09-21 12:47:18,552 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a2eed64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,552 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:18" (3/4) ... [2024-09-21 12:47:18,552 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a2eed64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:18, skipping insertion in model container [2024-09-21 12:47:18,552 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:18" (4/4) ... [2024-09-21 12:47:18,553 INFO L79 RefereeObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2024-09-21 12:47:18,557 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:18,558 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 23 edges. [2024-09-21 12:47:18,559 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:18,559 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-21 12:47:18,559 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-21 12:47:18,559 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-21 12:47:18,560 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:18,560 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 24 edges. [2024-09-21 12:47:18,560 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:18,561 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 27 edges. [2024-09-21 12:47:18,561 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:18,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 15 edges. [2024-09-21 12:47:18,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 28 edges. [2024-09-21 12:47:18,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 49 edges. [2024-09-21 12:47:18,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-21 12:47:18,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 49 edges. [2024-09-21 12:47:18,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:18,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-21 12:47:18,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 14 edges. [2024-09-21 12:47:18,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 24 edges. [2024-09-21 12:47:18,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-21 12:47:18,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:18,565 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-21 12:47:18,565 INFO L131 InvariantChecker]: Will check 22 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:18,621 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 23 edges [2024-09-21 12:47:18,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:18,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:18,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:18,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:18,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,690 INFO L101 BaseMinimizeStates]: Removed 45 edges and 20 locations by large block encoding [2024-09-21 12:47:18,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:18,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:18,692 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:18,692 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:18,692 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:18,693 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) [2024-09-21 12:47:18,698 INFO L158 Benchmark]: Toolchain (without parser) took 923.28ms. Allocated memory is still 165.7MB. Free memory was 99.1MB in the beginning and 73.9MB in the end (delta: 25.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,699 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:18,699 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 96.5MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:18,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.88ms. Allocated memory is still 165.7MB. Free memory was 99.1MB in the beginning and 121.4MB in the end (delta: -22.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,700 INFO L158 Benchmark]: Boogie Preprocessor took 74.23ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 118.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,701 INFO L158 Benchmark]: RCFGBuilder took 357.00ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 96.2MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,702 INFO L158 Benchmark]: Referee took 147.87ms. Allocated memory is still 165.7MB. Free memory was 96.2MB in the beginning and 73.9MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 12:47:18,704 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: * Witness Parser took 0.08ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 96.5MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.88ms. Allocated memory is still 165.7MB. Free memory was 99.1MB in the beginning and 121.4MB in the end (delta: -22.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.23ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 118.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.00ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 96.2MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 147.87ms. Allocated memory is still 165.7MB. Free memory was 96.2MB in the beginning and 73.9MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:18,743 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/apache-escape-absolute.i.v+cfa-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:20,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:20,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:47:20,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:20,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:20,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:20,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:20,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:20,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:20,579 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:20,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:20,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:20,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:20,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:20,583 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:20,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:20,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:20,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:20,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:20,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:20,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:20,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:20,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:20,588 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:47:20,588 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:47:20,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:20,588 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:47:20,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:20,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:20,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:20,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:20,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:20,589 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:20,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:20,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:20,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:20,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:20,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:20,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:20,593 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:47:20,593 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:47:20,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:20,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:20,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:20,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:20,594 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:47:20,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:20,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:20,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:20,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:20,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:20,875 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:20,876 INFO L431 ainManager$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 [2024-09-21 12:47:22,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:22,269 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:22,269 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2024-09-21 12:47:22,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/76721fbf0/fbfe0d58bd034047a4cfc5e7be417442/FLAG147176c77 [2024-09-21 12:47:22,679 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/76721fbf0/fbfe0d58bd034047a4cfc5e7be417442 [2024-09-21 12:47:22,681 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:22,682 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:22,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/apache-escape-absolute.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-21 12:47:22,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:22,741 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:22,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:22,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:22,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:22,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:22" (1/2) ... [2024-09-21 12:47:22,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa76fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:22, skipping insertion in model container [2024-09-21 12:47:22,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:22" (1/2) ... [2024-09-21 12:47:22,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@448463fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:22, skipping insertion in model container [2024-09-21 12:47:22,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:22" (2/2) ... [2024-09-21 12:47:22,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa76fb8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:22, skipping insertion in model container [2024-09-21 12:47:22,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:22" (2/2) ... [2024-09-21 12:47:22,769 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:22,770 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)))) [2024-09-21 12:47:22,770 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)))) [2024-09-21 12:47:22,770 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)))) [2024-09-21 12:47:22,770 INFO L1541 ArrayList]: Location invariant before [L162-L359] (\old(__return_375) == __return_375) [2024-09-21 12:47:22,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:22,937 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] [2024-09-21 12:47:22,945 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] [2024-09-21 12:47:22,947 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] [2024-09-21 12:47:22,950 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] [2024-09-21 12:47:22,952 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] [2024-09-21 12:47:22,958 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] [2024-09-21 12:47:22,959 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] [2024-09-21 12:47:22,962 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] [2024-09-21 12:47:22,966 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] [2024-09-21 12:47:22,968 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] [2024-09-21 12:47:22,971 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] [2024-09-21 12:47:22,974 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] [2024-09-21 12:47:22,978 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] [2024-09-21 12:47:22,982 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] [2024-09-21 12:47:22,984 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] [2024-09-21 12:47:22,998 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] [2024-09-21 12:47:23,005 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] [2024-09-21 12:47:23,009 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] [2024-09-21 12:47:23,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:23,027 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:23,042 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] [2024-09-21 12:47:23,047 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[1758,1771] [2024-09-21 12:47:23,048 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] [2024-09-21 12:47:23,049 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[2296,2309] [2024-09-21 12:47:23,050 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] [2024-09-21 12:47:23,051 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] [2024-09-21 12:47:23,052 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] [2024-09-21 12:47:23,053 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[3435,3448] [2024-09-21 12:47:23,054 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] [2024-09-21 12:47:23,055 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] [2024-09-21 12:47:23,056 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[4426,4439] [2024-09-21 12:47:23,057 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] [2024-09-21 12:47:23,058 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] [2024-09-21 12:47:23,060 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] [2024-09-21 12:47:23,061 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] [2024-09-21 12:47:23,062 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[5616,5629] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:23,093 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] [2024-09-21 12:47:23,094 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 [2024-09-21 12:47:23,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:23,115 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:23,116 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:23 WrapperNode [2024-09-21 12:47:23,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:23,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:23,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:23,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:23,128 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,128 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,137 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,159 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]. [2024-09-21 12:47:23,163 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,163 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,175 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,180 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,181 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,182 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:23,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:23,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:23,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:23,190 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 21.09 12:47:23" (1/1) ... [2024-09-21 12:47:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:23,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:23,216 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) [2024-09-21 12:47:23,219 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 [2024-09-21 12:47:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-21 12:47:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-21 12:47:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-21 12:47:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:23,315 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:23,317 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:23,565 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:23,615 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:23,616 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:23,616 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:23 BoogieIcfgContainer [2024-09-21 12:47:23,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:23,617 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:23,617 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:23,617 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:23,618 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:22" (1/4) ... [2024-09-21 12:47:23,618 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a6f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:23, skipping insertion in model container [2024-09-21 12:47:23,618 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:22" (2/4) ... [2024-09-21 12:47:23,618 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a6f2f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:23, skipping insertion in model container [2024-09-21 12:47:23,618 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 21.09 12:47:23" (3/4) ... [2024-09-21 12:47:23,619 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49a6f2f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:23, skipping insertion in model container [2024-09-21 12:47:23,619 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:23" (4/4) ... [2024-09-21 12:47:23,619 INFO L79 RefereeObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2024-09-21 12:47:23,624 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:23,625 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 23 edges. [2024-09-21 12:47:23,626 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:23,626 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-21 12:47:23,626 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-21 12:47:23,626 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-21 12:47:23,627 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:23,627 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 24 edges. [2024-09-21 12:47:23,627 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:23,627 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 27 edges. [2024-09-21 12:47:23,627 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:23,627 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 15 edges. [2024-09-21 12:47:23,628 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 28 edges. [2024-09-21 12:47:23,628 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 49 edges. [2024-09-21 12:47:23,628 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 36 edges. [2024-09-21 12:47:23,629 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 49 edges. [2024-09-21 12:47:23,629 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:23,629 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-21 12:47:23,629 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 14 edges. [2024-09-21 12:47:23,629 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 24 edges. [2024-09-21 12:47:23,630 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-21 12:47:23,630 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 50 edges. [2024-09-21 12:47:23,630 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 35 edges. [2024-09-21 12:47:23,630 INFO L131 InvariantChecker]: Will check 22 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:23,689 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 23 edges [2024-09-21 12:47:23,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:23,690 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:23,692 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:23,693 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:23,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:23,756 INFO L101 BaseMinimizeStates]: Removed 45 edges and 20 locations by large block encoding [2024-09-21 12:47:23,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:23,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:23,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:23,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:23,759 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:23,760 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) [2024-09-21 12:47:23,763 INFO L158 Benchmark]: Toolchain (without parser) took 1020.82ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 46.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:23,763 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:23,763 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 90.2MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:23,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.43ms. Allocated memory is still 90.2MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-09-21 12:47:23,764 INFO L158 Benchmark]: Boogie Preprocessor took 71.33ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 56.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:23,766 INFO L158 Benchmark]: RCFGBuilder took 427.56ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 67.3MB in the end (delta: -10.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:23,767 INFO L158 Benchmark]: Referee took 145.00ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 46.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 12:47:23,769 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 0.17ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 90.2MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.43ms. Allocated memory is still 90.2MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.33ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 56.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.56ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 67.3MB in the end (delta: -10.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Referee took 145.00ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 46.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:23,796 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug