./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-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-dev-5189fb6-m [2024-09-13 05:02:27,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:27,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:27,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:27,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:27,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:27,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:27,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:27,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:27,643 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:27,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:27,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:27,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:27,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:27,647 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:27,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:27,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:27,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:27,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:27,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:27,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:27,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:27,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:27,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:27,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:27,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:27,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:27,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:27,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:27,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:27,652 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:27,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:27,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:27,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:27,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:27,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:27,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:27,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:27,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:27,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:27,654 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:27,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:27,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:27,655 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:27,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:27,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:27,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:27,931 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:27,932 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:27,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-13 05:02:27,988 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:27,988 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:27,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:02:29,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:29,508 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:29,508 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:02:29,517 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/51409cbac/1cf765690ebd4f4895d9fd03a8c2deb0/FLAG68cad3e71 [2024-09-13 05:02:29,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/51409cbac/1cf765690ebd4f4895d9fd03a8c2deb0 [2024-09-13 05:02:29,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:29,896 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:29,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:29,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:29,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:29,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:27" (1/2) ... [2024-09-13 05:02:29,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e95625a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29, skipping insertion in model container [2024-09-13 05:02:29,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:27" (1/2) ... [2024-09-13 05:02:29,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6533839f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29, skipping insertion in model container [2024-09-13 05:02:29,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:29" (2/2) ... [2024-09-13 05:02:29,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e95625a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:29, skipping insertion in model container [2024-09-13 05:02:29,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:29" (2/2) ... [2024-09-13 05:02:29,923 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:29,923 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 05:02:29,923 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-13 05:02:29,923 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-13 05:02:29,924 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 05:02:29,924 INFO L1541 ArrayList]: Location invariant before [L102-L136] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((main__loop_entered % 4294967296) == 0)) [2024-09-13 05:02:29,924 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && ((main__loop_entered % 4294967296) == 0)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 05:02:29,924 INFO L1541 ArrayList]: Location invariant before [L105-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 05:02:29,924 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && ((main__loop_entered % 4294967296) == 0)) [2024-09-13 05:02:29,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:30,101 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-13 05:02:30,110 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] [2024-09-13 05:02:30,114 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] [2024-09-13 05:02:30,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:30,126 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-13 05:02:30,159 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-13 05:02:30,162 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-13 05:02:30,172 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:30,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:30,209 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:30,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30 WrapperNode [2024-09-13 05:02:30,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:30,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:30,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:30,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:30,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,265 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-09-13 05:02:30,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:30,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:30,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:30,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:30,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (1/1) ... [2024-09-13 05:02:30,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:30,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:30,346 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) [2024-09-13 05:02:30,352 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 [2024-09-13 05:02:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:30,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:02:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:02:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:02:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 05:02:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:02:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 05:02:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:02:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 05:02:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:30,504 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:30,506 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:30,857 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:30,927 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:30,928 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:30,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:30 BoogieIcfgContainer [2024-09-13 05:02:30,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:30,929 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:30,930 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:30,931 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:30,931 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:27" (1/4) ... [2024-09-13 05:02:30,932 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65a41703 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:30, skipping insertion in model container [2024-09-13 05:02:30,932 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:29" (2/4) ... [2024-09-13 05:02:30,932 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65a41703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:30, skipping insertion in model container [2024-09-13 05:02:30,932 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:30" (3/4) ... [2024-09-13 05:02:30,933 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@65a41703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:30, skipping insertion in model container [2024-09-13 05:02:30,933 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:30" (4/4) ... [2024-09-13 05:02:30,934 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:02:30,937 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:30,938 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:02:30,938 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-13 05:02:30,938 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-13 05:02:30,938 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:30,939 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:02:30,939 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-13 05:02:30,939 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-13 05:02:30,939 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-13 05:02:30,939 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-13 05:02:30,939 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-13 05:02:30,940 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:02:30,940 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-13 05:02:30,940 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:02:30,999 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-13 05:02:31,004 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:31,004 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:31,005 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:31,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:31,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:31,038 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 05:02:31,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:31,040 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:31,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:31,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:31,044 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:31,065 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:31,085 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-13 05:02:31,085 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:31,086 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:31,086 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:31,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:31,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:31,162 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-13 05:02:31,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:31,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:31,166 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:31,166 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:31,167 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:31,170 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:31,196 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-13 05:02:31,196 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:31,196 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:31,196 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:31,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:31,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:31,408 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-13 05:02:31,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:31,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:31,409 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:31,409 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:31,420 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 05:02:31,421 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:144) 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) [2024-09-13 05:02:31,430 INFO L158 Benchmark]: Toolchain (without parser) took 1531.30ms. Allocated memory is still 165.7MB. Free memory was 109.5MB in the beginning and 70.9MB in the end (delta: 38.6MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2024-09-13 05:02:31,430 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:31,430 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:31,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.89ms. Allocated memory is still 165.7MB. Free memory was 109.5MB in the beginning and 93.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:02:31,431 INFO L158 Benchmark]: Boogie Preprocessor took 95.94ms. Allocated memory is still 165.7MB. Free memory was 93.3MB in the beginning and 90.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:31,432 INFO L158 Benchmark]: RCFGBuilder took 621.49ms. Allocated memory is still 165.7MB. Free memory was 90.7MB in the beginning and 61.1MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:31,432 INFO L158 Benchmark]: Referee took 497.84ms. Allocated memory is still 165.7MB. Free memory was 61.1MB in the beginning and 70.9MB in the end (delta: -9.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-09-13 05:02:31,437 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 0.19ms. Allocated memory is still 165.7MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.89ms. Allocated memory is still 165.7MB. Free memory was 109.5MB in the beginning and 93.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.94ms. Allocated memory is still 165.7MB. Free memory was 93.3MB in the beginning and 90.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.49ms. Allocated memory is still 165.7MB. Free memory was 90.7MB in the beginning and 61.1MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Referee took 497.84ms. Allocated memory is still 165.7MB. Free memory was 61.1MB in the beginning and 70.9MB in the end (delta: -9.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:31,465 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 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-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-dev-5189fb6-m [2024-09-13 05:02:33,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:33,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:02:33,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:33,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:33,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:33,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:33,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:33,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:33,689 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:33,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:33,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:33,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:33,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:33,691 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:33,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:33,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:33,692 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:33,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:33,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:33,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:33,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:33,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:33,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:02:33,698 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:02:33,698 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:33,699 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:02:33,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:33,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:33,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:33,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:33,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:33,700 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:33,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:33,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:33,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:33,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:33,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:33,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:33,706 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:02:33,706 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:02:33,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:33,707 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:33,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:33,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:33,708 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:02:33,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:34,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:34,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:34,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:34,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:34,054 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:34,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:02:35,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:35,778 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:35,779 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:02:35,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/777c65064/cf6a24855d2a438ebd7b3ec36390dcc2/FLAG89c8b769f [2024-09-13 05:02:35,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/777c65064/cf6a24855d2a438ebd7b3ec36390dcc2 [2024-09-13 05:02:35,799 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:35,800 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:35,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-13 05:02:35,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:35,865 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:35,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:35,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:35,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:35,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:35" (1/2) ... [2024-09-13 05:02:35,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ef6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35, skipping insertion in model container [2024-09-13 05:02:35,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:35" (1/2) ... [2024-09-13 05:02:35,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20b19f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35, skipping insertion in model container [2024-09-13 05:02:35,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:35" (2/2) ... [2024-09-13 05:02:35,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ef6c3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:35, skipping insertion in model container [2024-09-13 05:02:35,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:35" (2/2) ... [2024-09-13 05:02:35,896 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:35,897 INFO L1541 ArrayList]: Location invariant before [L102-L136] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((main__loop_entered % 4294967296) == 0)) [2024-09-13 05:02:35,900 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 05:02:35,901 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && ((main__loop_entered % 4294967296) == 0)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 05:02:35,901 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-13 05:02:35,901 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && ((main__loop_entered % 4294967296) == 0)) [2024-09-13 05:02:35,901 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 05:02:35,901 INFO L1541 ArrayList]: Location invariant before [L105-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 05:02:35,901 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-13 05:02:35,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:36,100 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-13 05:02:36,111 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] [2024-09-13 05:02:36,114 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] [2024-09-13 05:02:36,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:36,142 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-13 05:02:36,187 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-13 05:02:36,193 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-13 05:02:36,208 WARN L247 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:36,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:36,254 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:36,255 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:36 WrapperNode [2024-09-13 05:02:36,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:36,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:36,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:36,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:36,270 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,270 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,294 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,317 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-09-13 05:02:36,318 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,318 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,335 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,340 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,345 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,347 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:36,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:36,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:36,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:36,358 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 13.09 05:02:36" (1/1) ... [2024-09-13 05:02:36,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:36,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:36,391 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) [2024-09-13 05:02:36,397 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 [2024-09-13 05:02:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:02:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:02:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-13 05:02:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-13 05:02:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-13 05:02:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-13 05:02:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:02:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-13 05:02:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:02:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-13 05:02:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:02:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-13 05:02:36,539 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:36,542 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:36,926 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:36,993 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:36,993 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:36,993 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:36 BoogieIcfgContainer [2024-09-13 05:02:36,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:36,994 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:36,995 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:36,996 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:36,997 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:35" (1/4) ... [2024-09-13 05:02:36,997 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b804ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:36, skipping insertion in model container [2024-09-13 05:02:36,997 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:35" (2/4) ... [2024-09-13 05:02:36,997 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b804ea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:36, skipping insertion in model container [2024-09-13 05:02:36,999 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 13.09 05:02:36" (3/4) ... [2024-09-13 05:02:36,999 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28b804ea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:36, skipping insertion in model container [2024-09-13 05:02:36,999 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:36" (4/4) ... [2024-09-13 05:02:37,000 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:02:37,004 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:37,005 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:02:37,005 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-13 05:02:37,005 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-13 05:02:37,006 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:37,006 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:02:37,006 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-13 05:02:37,007 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-13 05:02:37,007 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-13 05:02:37,007 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-13 05:02:37,007 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-13 05:02:37,008 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:02:37,009 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-13 05:02:37,009 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from loop head to error location [2024-09-13 05:02:37,065 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-13 05:02:37,066 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:37,067 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:37,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:37,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:37,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:37,109 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 05:02:37,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:37,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:37,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:37,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:37,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:37,126 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:37,150 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-13 05:02:37,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:37,150 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:37,150 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:37,150 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:37,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:37,177 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-13 05:02:37,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:37,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:37,179 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:37,179 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:37,180 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:37,182 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:37,201 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-13 05:02:37,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:37,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:37,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:37,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:37,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:37,408 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-13 05:02:37,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:37,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:37,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:37,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:37,420 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 05:02:37,421 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:144) 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) [2024-09-13 05:02:37,427 INFO L158 Benchmark]: Toolchain (without parser) took 1560.43ms. Allocated memory was 67.1MB in the beginning and 102.8MB in the end (delta: 35.7MB). Free memory was 45.3MB in the beginning and 46.5MB in the end (delta: -1.2MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,427 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:37,428 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:37,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.58ms. Allocated memory is still 67.1MB. Free memory was 45.1MB in the beginning and 28.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,430 INFO L158 Benchmark]: Boogie Preprocessor took 96.17ms. Allocated memory was 67.1MB in the beginning and 102.8MB in the end (delta: 35.7MB). Free memory was 28.7MB in the beginning and 81.3MB in the end (delta: -52.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,430 INFO L158 Benchmark]: RCFGBuilder took 640.16ms. Allocated memory is still 102.8MB. Free memory was 81.3MB in the beginning and 59.1MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,430 INFO L158 Benchmark]: Referee took 431.12ms. Allocated memory is still 102.8MB. Free memory was 59.1MB in the beginning and 46.5MB in the end (delta: 12.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,435 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 0.14ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.58ms. Allocated memory is still 67.1MB. Free memory was 45.1MB in the beginning and 28.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.17ms. Allocated memory was 67.1MB in the beginning and 102.8MB in the end (delta: 35.7MB). Free memory was 28.7MB in the beginning and 81.3MB in the end (delta: -52.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 640.16ms. Allocated memory is still 102.8MB. Free memory was 81.3MB in the beginning and 59.1MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 431.12ms. Allocated memory is still 102.8MB. Free memory was 59.1MB in the beginning and 46.5MB in the end (delta: 12.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:37,464 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug