./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-crafted/recursified_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/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:12:58,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:12:58,145 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:12:58,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:12:58,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:12:58,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:12:58,180 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:12:58,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:12:58,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:12:58,181 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:12:58,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:12:58,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:12:58,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:12:58,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:12:58,186 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:12:58,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:12:58,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:12:58,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:12:58,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:12:58,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:12:58,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:12:58,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:12:58,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:12:58,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:12:58,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:12:58,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:12:58,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:12:58,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:12:58,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:12:58,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:12:58,195 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:12:58,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:12:58,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:12:58,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:58,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:12:58,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:12:58,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:12:58,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:12:58,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:12:58,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:12:58,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:12:58,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:12:58,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:12:58,200 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:12:58,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:12:58,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:12:58,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:12:58,439 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:12:58,440 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:12:58,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-20 20:12:58,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:12:58,501 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:12:58,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:12:59,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:13:00,120 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:13:00,120 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:13:00,131 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e4e41f6e1/7b1c9c94ff0042aa9fb48c00b78b04aa/FLAG8bd5ac0c1 [2024-09-20 20:13:00,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e4e41f6e1/7b1c9c94ff0042aa9fb48c00b78b04aa [2024-09-20 20:13:00,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:13:00,516 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:13:00,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:13:00,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:13:00,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:13:00,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:58" (1/2) ... [2024-09-20 20:13:00,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1acce7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:13:00, skipping insertion in model container [2024-09-20 20:13:00,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:58" (1/2) ... [2024-09-20 20:13:00,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@191f620a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:13:00, skipping insertion in model container [2024-09-20 20:13:00,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:13:00" (2/2) ... [2024-09-20 20:13:00,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1acce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00, skipping insertion in model container [2024-09-20 20:13:00,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:13:00" (2/2) ... [2024-09-20 20:13:00,543 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:13:00,543 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-20 20:13:00,543 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-20 20:13:00,543 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) && (main__loop_entered == 0)) [2024-09-20 20:13:00,544 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-20 20:13:00,544 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-20 20:13:00,544 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-20 20:13:00,544 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-20 20:13:00,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:13:00,750 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-20 20:13:00,765 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-20 20:13:00,771 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-20 20:13:00,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:13:00,791 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:13:00,813 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-20 20:13:00,817 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-20 20:13:00,855 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:13:00,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:13:00,886 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:13:00,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00 WrapperNode [2024-09-20 20:13:00,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:13:00,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:13:00,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:13:00,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:13:00,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,910 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,935 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 2 writes are split as follows [0, 1, 1]. [2024-09-20 20:13:00,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:13:00,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:13:00,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:13:00,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:13:00,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (1/1) ... [2024-09-20 20:13:00,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:13:00,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:13:00,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:13:01,002 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:13:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:13:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:13:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:13:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:13:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-20 20:13:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:13:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:13:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:13:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:13:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:13:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:13:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:13:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:13:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:13:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-20 20:13:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 20:13:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 20:13:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-20 20:13:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 20:13:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 20:13:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-20 20:13:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 20:13:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 20:13:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 20:13:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-20 20:13:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:13:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:13:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:13:01,145 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:13:01,146 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:13:01,534 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:13:01,574 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:13:01,574 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:13:01,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:13:01 BoogieIcfgContainer [2024-09-20 20:13:01,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:13:01,576 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:13:01,576 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:13:01,577 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:13:01,577 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:58" (1/4) ... [2024-09-20 20:13:01,577 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49583f45 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:13:01, skipping insertion in model container [2024-09-20 20:13:01,577 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:13:00" (2/4) ... [2024-09-20 20:13:01,578 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49583f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:13:01, skipping insertion in model container [2024-09-20 20:13:01,578 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:00" (3/4) ... [2024-09-20 20:13:01,578 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49583f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:13:01, skipping insertion in model container [2024-09-20 20:13:01,578 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:13:01" (4/4) ... [2024-09-20 20:13:01,584 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:13:01,589 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:13:01,590 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-20 20:13:01,591 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-20 20:13:01,591 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-20 20:13:01,591 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-20 20:13:01,592 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-20 20:13:01,592 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:13:01,592 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 20:13:01,592 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-20 20:13:01,593 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-20 20:13:01,593 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:13:01,593 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-20 20:13:01,646 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-20 20:13:01,647 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:01,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:01,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:01,650 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:01,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:01,752 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-20 20:13:01,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:01,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:01,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:01,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:01,759 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:13:01,780 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-20 20:13:01,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:01,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:01,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:01,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:01,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:01,810 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-20 20:13:01,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:01,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:01,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:01,812 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:01,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:13:01,835 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:13:01,852 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-20 20:13:01,853 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:01,854 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:01,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:01,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:01,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:01,914 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-20 20:13:01,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:01,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:01,916 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:01,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:01,918 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:13:01,933 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-20 20:13:01,933 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:01,933 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:01,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:01,934 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:01,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:01,949 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-20 20:13:01,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:01,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:01,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:01,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:01,952 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:13:01,958 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:13:01,976 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-20 20:13:01,977 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:01,977 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:01,977 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:01,977 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:01,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:02,131 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-20 20:13:02,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:02,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:02,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:02,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:02,139 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-20 20:13:02,142 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 20:13:02,148 INFO L158 Benchmark]: Toolchain (without parser) took 1631.32ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 98.2MB in the beginning and 150.6MB in the end (delta: -52.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-09-20 20:13:02,150 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 153.1MB. Free memory was 114.8MB in the beginning and 114.7MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:13:02,151 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:13:02,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.14ms. Allocated memory is still 153.1MB. Free memory was 97.8MB in the beginning and 81.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:13:02,153 INFO L158 Benchmark]: Boogie Preprocessor took 75.80ms. Allocated memory is still 153.1MB. Free memory was 81.8MB in the beginning and 79.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:13:02,154 INFO L158 Benchmark]: RCFGBuilder took 611.41ms. Allocated memory is still 153.1MB. Free memory was 79.0MB in the beginning and 112.8MB in the end (delta: -33.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-09-20 20:13:02,155 INFO L158 Benchmark]: Referee took 570.54ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 112.8MB in the beginning and 150.6MB in the end (delta: -37.8MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2024-09-20 20:13:02,157 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 0.11ms. Allocated memory is still 153.1MB. Free memory was 114.8MB in the beginning and 114.7MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.14ms. Allocated memory is still 153.1MB. Free memory was 97.8MB in the beginning and 81.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.80ms. Allocated memory is still 153.1MB. Free memory was 81.8MB in the beginning and 79.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.41ms. Allocated memory is still 153.1MB. Free memory was 79.0MB in the beginning and 112.8MB in the end (delta: -33.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Referee took 570.54ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 112.8MB in the beginning and 150.6MB in the end (delta: -37.8MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:13:02,192 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:13:04,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:13:04,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:13:04,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:13:04,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:13:04,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:13:04,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:13:04,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:13:04,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:13:04,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:13:04,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:13:04,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:13:04,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:13:04,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:13:04,747 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:13:04,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:13:04,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:13:04,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:13:04,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:13:04,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:13:04,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:13:04,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:13:04,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:13:04,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:13:04,750 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:13:04,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:13:04,751 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:13:04,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:13:04,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:13:04,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:13:04,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:13:04,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:13:04,753 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:13:04,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:13:04,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:13:04,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:13:04,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:13:04,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:13:04,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:13:04,755 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:13:04,755 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:13:04,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:13:04,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:13:04,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:13:04,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:13:04,757 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:13:04,757 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:13:05,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:13:05,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:13:05,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:13:05,085 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:13:05,086 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:13:05,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-20 20:13:05,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:13:05,142 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:13:05,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:13:06,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:13:06,866 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:13:06,866 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:13:06,874 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e73db5ad1/0ce4a726694f4e26a5c21d522f95cafb/FLAGce8b4bac1 [2024-09-20 20:13:07,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e73db5ad1/0ce4a726694f4e26a5c21d522f95cafb [2024-09-20 20:13:07,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:13:07,265 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:13:07,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:13:07,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:13:07,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:13:07,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:13:05" (1/2) ... [2024-09-20 20:13:07,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f364d3b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:13:07, skipping insertion in model container [2024-09-20 20:13:07,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:13:05" (1/2) ... [2024-09-20 20:13:07,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a2dfb61 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:13:07, skipping insertion in model container [2024-09-20 20:13:07,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:13:07" (2/2) ... [2024-09-20 20:13:07,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f364d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07, skipping insertion in model container [2024-09-20 20:13:07,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:13:07" (2/2) ... [2024-09-20 20:13:07,289 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:13:07,290 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-20 20:13:07,290 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-20 20:13:07,290 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-20 20:13:07,290 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-20 20:13:07,290 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-20 20:13:07,291 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) && (main__loop_entered == 0)) [2024-09-20 20:13:07,291 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-20 20:13:07,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:13:07,514 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-20 20:13:07,526 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-20 20:13:07,532 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-20 20:13:07,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:13:07,554 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:13:07,575 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-20 20:13:07,581 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-20 20:13:07,616 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 20:13:07,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:13:07,656 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:13:07,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07 WrapperNode [2024-09-20 20:13:07,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:13:07,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:13:07,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:13:07,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:13:07,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,711 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 2 writes are split as follows [0, 1, 1]. [2024-09-20 20:13:07,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:13:07,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:13:07,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:13:07,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:13:07,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (1/1) ... [2024-09-20 20:13:07,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:13:07,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:13:07,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:13:07,782 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:13:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:13:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:13:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:13:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:13:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-20 20:13:07,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:13:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:13:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:13:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:13:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:13:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:13:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:13:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:13:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:13:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-20 20:13:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-20 20:13:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-20 20:13:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-20 20:13:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-20 20:13:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-20 20:13:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-20 20:13:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 20:13:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-20 20:13:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-20 20:13:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-20 20:13:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:13:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:13:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 20:13:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-20 20:13:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-20 20:13:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:13:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 20:13:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-20 20:13:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-20 20:13:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 20:13:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-20 20:13:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-20 20:13:07,945 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:13:07,948 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:13:08,249 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:13:08,296 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:13:08,296 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:13:08,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:13:08 BoogieIcfgContainer [2024-09-20 20:13:08,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:13:08,298 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:13:08,298 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:13:08,300 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:13:08,300 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:13:05" (1/4) ... [2024-09-20 20:13:08,301 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b2d1bf3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:13:08, skipping insertion in model container [2024-09-20 20:13:08,301 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:13:07" (2/4) ... [2024-09-20 20:13:08,301 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b2d1bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:13:08, skipping insertion in model container [2024-09-20 20:13:08,301 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:13:07" (3/4) ... [2024-09-20 20:13:08,301 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b2d1bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:13:08, skipping insertion in model container [2024-09-20 20:13:08,302 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:13:08" (4/4) ... [2024-09-20 20:13:08,303 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:13:08,307 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:13:08,307 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-20 20:13:08,308 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-20 20:13:08,308 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-20 20:13:08,308 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-20 20:13:08,308 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-20 20:13:08,309 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:13:08,309 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 20:13:08,309 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-20 20:13:08,310 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-20 20:13:08,311 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:13:08,311 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-20 20:13:08,383 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-20 20:13:08,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:08,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:08,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:08,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:08,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,499 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-20 20:13:08,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:08,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:08,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:08,509 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:13:08,526 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-20 20:13:08,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:08,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:08,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:08,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:08,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,543 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-20 20:13:08,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,543 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:08,543 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:08,544 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:08,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:13:08,559 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:13:08,573 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-20 20:13:08,574 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:08,574 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:08,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:08,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:08,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,641 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-20 20:13:08,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,642 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:08,642 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:08,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:08,644 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-20 20:13:08,655 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-20 20:13:08,655 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:08,655 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:08,655 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:08,655 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:08,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,668 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-20 20:13:08,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,668 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:08,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:08,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:08,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:13:08,671 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:13:08,688 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-20 20:13:08,688 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:13:08,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:13:08,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:13:08,688 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:13:08,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,815 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-20 20:13:08,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:13:08,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:13:08,816 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:13:08,816 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:13:08,820 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-20 20:13:08,821 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 20:13:08,827 INFO L158 Benchmark]: Toolchain (without parser) took 1560.44ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 25.5MB in the beginning and 66.9MB in the end (delta: -41.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-09-20 20:13:08,827 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 46.1MB. Free memory is still 23.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:13:08,827 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory is still 20.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:13:08,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.33ms. Allocated memory is still 62.9MB. Free memory was 25.3MB in the beginning and 28.7MB in the end (delta: -3.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-09-20 20:13:08,829 INFO L158 Benchmark]: Boogie Preprocessor took 83.70ms. Allocated memory is still 62.9MB. Free memory was 28.7MB in the beginning and 25.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:13:08,830 INFO L158 Benchmark]: RCFGBuilder took 554.70ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 25.7MB in the beginning and 39.3MB in the end (delta: -13.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-09-20 20:13:08,831 INFO L158 Benchmark]: Referee took 527.37ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 39.3MB in the beginning and 66.9MB in the end (delta: -27.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-09-20 20:13:08,833 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 0.22ms. Allocated memory is still 46.1MB. Free memory is still 23.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory is still 20.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.33ms. Allocated memory is still 62.9MB. Free memory was 25.3MB in the beginning and 28.7MB in the end (delta: -3.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.70ms. Allocated memory is still 62.9MB. Free memory was 28.7MB in the beginning and 25.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.70ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 25.7MB in the beginning and 39.3MB in the end (delta: -13.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Referee took 527.37ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 39.3MB in the beginning and 66.9MB in the end (delta: -27.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:13:08,861 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