./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 a9b967e5 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-dev-a9b967e-m [2024-09-11 20:54:39,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:39,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:39,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:39,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:39,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:39,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:39,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:39,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:39,600 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:39,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:39,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:39,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:39,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:39,602 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:39,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:39,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:39,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:39,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:39,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:39,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:39,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:39,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:39,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:39,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:39,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:39,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:39,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:39,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:39,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:39,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:39,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:39,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:39,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:39,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:39,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:39,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:39,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:39,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:39,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:39,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:39,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:39,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:39,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:39,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:39,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:39,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:39,888 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:39,890 INFO L431 ainManager$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 [2024-09-11 20:54:41,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:41,505 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:41,505 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 [2024-09-11 20:54:41,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/18cb5e32c/3b258303503242d9bd8fa2680b97673e/FLAGf40c4f885 [2024-09-11 20:54:41,903 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/18cb5e32c/3b258303503242d9bd8fa2680b97673e [2024-09-11 20:54:41,905 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:41,906 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:41,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-11 20:54:41,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:41,970 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:41,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:41,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:41,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:41,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:41" (1/2) ... [2024-09-11 20:54:41,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9d2c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:41" (1/2) ... [2024-09-11 20:54:41,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7681f1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:41" (2/2) ... [2024-09-11 20:54:41,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9d2c76 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:41" (2/2) ... [2024-09-11 20:54:41,994 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:41,994 INFO L1541 ArrayList]: Location invariant before [L74-L212] ((((main__loop_entered == 0) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 == 1)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:54:41,995 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 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-11 20:54:41,995 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:54:41,995 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-11 20:54:41,996 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-11 20:54:41,996 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((main__loop_entered == 0) || (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-11 20:54:41,996 INFO L1541 ArrayList]: Location invariant before [L111-L143] (((((((long long) main__index2 + 1) % 4294967296) <= 99999) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 != 0)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-11 20:54:42,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:42,208 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-11 20:54:42,216 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-11 20:54:42,220 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-11 20:54:42,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:42,238 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:54:42,264 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-11 20:54:42,271 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-11 20:54:42,313 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/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 [2024-09-11 20:54:42,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:42,359 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:42,360 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:42 WrapperNode [2024-09-11 20:54:42,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:42,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:42,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:42,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:42,376 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,376 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,388 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,421 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, 1, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-09-11 20:54:42,422 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,423 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,436 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,443 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,448 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,450 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:42,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:42,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:42,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:42,459 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 11.09 08:54:42" (1/1) ... [2024-09-11 20:54:42,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:42,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:42,499 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) [2024-09-11 20:54:42,504 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 [2024-09-11 20:54:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:54:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-11 20:54:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-11 20:54:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:42,637 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:42,639 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:43,094 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:43,094 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:43,131 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:43,132 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:43,132 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:43 BoogieIcfgContainer [2024-09-11 20:54:43,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:43,133 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:43,133 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:43,133 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:43,134 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:41" (1/4) ... [2024-09-11 20:54:43,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cdfa11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:43, skipping insertion in model container [2024-09-11 20:54:43,136 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:41" (2/4) ... [2024-09-11 20:54:43,137 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cdfa11e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:43, skipping insertion in model container [2024-09-11 20:54:43,137 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 11.09 08:54:42" (3/4) ... [2024-09-11 20:54:43,138 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cdfa11e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:43, skipping insertion in model container [2024-09-11 20:54:43,138 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:43" (4/4) ... [2024-09-11 20:54:43,140 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-11 20:54:43,143 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:43,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-11 20:54:43,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-11 20:54:43,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-11 20:54:43,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-11 20:54:43,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-11 20:54:43,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:54:43,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-11 20:54:43,146 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-11 20:54:43,146 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-11 20:54:43,146 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:54:43,146 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:43,204 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-11 20:54:43,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:43,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:43,208 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:43,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:43,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,303 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-11 20:54:43,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:43,306 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:43,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:43,313 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-11 20:54:43,344 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:54:43,344 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:43,344 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:43,344 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:43,345 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:43,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,368 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-11 20:54:43,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:43,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:43,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:43,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:43,389 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:43,412 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-11 20:54:43,412 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:43,412 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:43,412 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:43,413 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:43,413 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,460 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-11 20:54:43,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:43,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:43,461 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:43,466 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-11 20:54:43,486 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:54:43,486 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:43,486 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:43,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:43,488 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:43,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,500 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-11 20:54:43,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:43,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:43,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:43,502 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:43,504 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:43,526 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-11 20:54:43,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:43,527 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:43,527 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:43,527 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:43,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,632 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-11 20:54:43,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:43,633 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:43,633 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:43,633 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:43,636 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-11 20:54:43,637 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) [2024-09-11 20:54:43,647 INFO L158 Benchmark]: Toolchain (without parser) took 1674.62ms. Allocated memory is still 195.0MB. Free memory was 122.9MB in the beginning and 72.6MB in the end (delta: 50.3MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:43,648 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 89.9MB in the beginning and 89.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:43,648 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:43,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.53ms. Allocated memory is still 195.0MB. Free memory was 122.6MB in the beginning and 106.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:43,649 INFO L158 Benchmark]: Boogie Preprocessor took 96.00ms. Allocated memory is still 195.0MB. Free memory was 106.3MB in the beginning and 103.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:43,649 INFO L158 Benchmark]: RCFGBuilder took 674.14ms. Allocated memory is still 195.0MB. Free memory was 103.5MB in the beginning and 156.5MB in the end (delta: -53.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:43,650 INFO L158 Benchmark]: Referee took 510.86ms. Allocated memory is still 195.0MB. Free memory was 156.5MB in the beginning and 72.6MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-09-11 20:54:43,653 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 0.19ms. Allocated memory is still 125.8MB. Free memory was 89.9MB in the beginning and 89.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.53ms. Allocated memory is still 195.0MB. Free memory was 122.6MB in the beginning and 106.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.00ms. Allocated memory is still 195.0MB. Free memory was 106.3MB in the beginning and 103.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 674.14ms. Allocated memory is still 195.0MB. Free memory was 103.5MB in the beginning and 156.5MB in the end (delta: -53.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Referee took 510.86ms. Allocated memory is still 195.0MB. Free memory was 156.5MB in the beginning and 72.6MB in the end (delta: 83.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:43,705 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-dev-a9b967e-m [2024-09-11 20:54:45,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:46,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:46,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:46,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:46,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:46,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:46,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:46,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:46,100 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:46,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:46,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:46,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:46,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:46,102 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:46,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:46,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:46,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:46,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:46,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:46,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:46,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:46,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:46,109 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:46,109 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:46,109 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:46,110 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:46,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:46,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:46,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:46,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:46,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:46,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:46,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:46,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:46,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:46,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:46,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:46,113 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:46,114 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:46,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:46,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:46,114 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:46,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:46,115 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:46,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:46,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:46,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:46,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:46,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:46,457 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:46,459 INFO L431 ainManager$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 [2024-09-11 20:54:47,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:48,192 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:48,195 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 [2024-09-11 20:54:48,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/921b6a1cc/66546bca965b4e3486037b765f182edd/FLAG9c41f2a99 [2024-09-11 20:54:48,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/921b6a1cc/66546bca965b4e3486037b765f182edd [2024-09-11 20:54:48,229 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:48,230 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:48,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-11 20:54:48,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:48,300 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:48,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:48,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:48,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:48,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:48" (1/2) ... [2024-09-11 20:54:48,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2caafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:48, skipping insertion in model container [2024-09-11 20:54:48,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:48" (1/2) ... [2024-09-11 20:54:48,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73007703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:48, skipping insertion in model container [2024-09-11 20:54:48,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:48" (2/2) ... [2024-09-11 20:54:48,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2caafe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:48, skipping insertion in model container [2024-09-11 20:54:48,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:48" (2/2) ... [2024-09-11 20:54:48,331 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:48,332 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 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-11 20:54:48,333 INFO L1541 ArrayList]: Location invariant before [L111-L143] (((((((long long) main__index2 + 1) % 4294967296) <= 99999) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 != 0)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-11 20:54:48,333 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((main__loop_entered == 0) || (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-11 20:54:48,333 INFO L1541 ArrayList]: Location invariant before [L74-L212] ((((main__loop_entered == 0) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 == 1)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:54:48,333 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:54:48,333 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-11 20:54:48,333 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-11 20:54:48,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:48,549 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-11 20:54:48,563 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-11 20:54:48,569 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-11 20:54:48,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:48,588 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:54:48,610 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-11 20:54:48,615 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-11 20:54:48,655 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/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 [2024-09-11 20:54:48,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:48,694 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:48,694 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:48 WrapperNode [2024-09-11 20:54:48,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:48,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:48,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:48,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:48,710 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,710 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,719 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,744 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]. [2024-09-11 20:54:48,745 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,745 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,764 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,769 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,772 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,776 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:48,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:48,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:48,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:48,781 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 11.09 08:54:48" (1/1) ... [2024-09-11 20:54:48,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:48,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:48,809 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) [2024-09-11 20:54:48,812 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 [2024-09-11 20:54:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:54:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-11 20:54:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-11 20:54:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-11 20:54:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-11 20:54:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:54:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-11 20:54:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-11 20:54:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:54:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-11 20:54:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-11 20:54:48,943 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:48,946 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:49,353 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:49,353 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:49,395 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:49,396 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:49,397 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:49 BoogieIcfgContainer [2024-09-11 20:54:49,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:49,398 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:49,398 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:49,399 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:49,399 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:48" (1/4) ... [2024-09-11 20:54:49,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1674ccec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:49, skipping insertion in model container [2024-09-11 20:54:49,400 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:48" (2/4) ... [2024-09-11 20:54:49,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1674ccec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:49, skipping insertion in model container [2024-09-11 20:54:49,401 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 11.09 08:54:48" (3/4) ... [2024-09-11 20:54:49,402 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1674ccec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:49, skipping insertion in model container [2024-09-11 20:54:49,402 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:49" (4/4) ... [2024-09-11 20:54:49,403 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-11 20:54:49,406 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:49,407 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-11 20:54:49,407 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-11 20:54:49,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-11 20:54:49,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-11 20:54:49,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-11 20:54:49,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:54:49,409 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-11 20:54:49,409 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-11 20:54:49,410 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-11 20:54:49,410 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:54:49,410 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:49,492 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-11 20:54:49,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:49,495 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:49,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:49,497 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:49,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,560 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-11 20:54:49,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,562 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:49,562 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:49,563 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:49,566 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-11 20:54:49,592 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:54:49,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:49,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:49,592 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:49,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:49,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,606 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-11 20:54:49,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:49,607 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:49,607 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:49,608 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:49,622 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:49,649 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-11 20:54:49,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:49,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:49,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:49,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:49,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,697 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-11 20:54:49,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,698 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:49,698 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:49,699 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:49,700 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-11 20:54:49,712 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:54:49,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:49,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:49,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:49,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:49,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,724 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-11 20:54:49,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,725 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:49,725 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:49,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:49,726 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:49,727 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:49,749 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-11 20:54:49,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:49,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:49,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:49,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:49,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,834 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-11 20:54:49,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:49,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:49,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:49,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:49,837 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-11 20:54:49,838 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) [2024-09-11 20:54:49,843 INFO L158 Benchmark]: Toolchain (without parser) took 1541.56ms. Allocated memory was 52.4MB in the beginning and 77.6MB in the end (delta: 25.2MB). Free memory was 29.5MB in the beginning and 44.8MB in the end (delta: -15.3MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:49,843 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 41.9MB. Free memory was 20.9MB in the beginning and 20.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:49,844 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:49,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.64ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.3MB in the beginning and 37.0MB in the end (delta: -7.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:49,845 INFO L158 Benchmark]: Boogie Preprocessor took 83.82ms. Allocated memory is still 62.9MB. Free memory was 37.0MB in the beginning and 34.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:49,846 INFO L158 Benchmark]: RCFGBuilder took 617.54ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 25.6MB in the end (delta: 8.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:49,846 INFO L158 Benchmark]: Referee took 443.02ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 25.6MB in the beginning and 44.8MB in the end (delta: -19.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:49,849 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 41.9MB. Free memory was 20.9MB in the beginning and 20.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.64ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.3MB in the beginning and 37.0MB in the end (delta: -7.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.82ms. Allocated memory is still 62.9MB. Free memory was 37.0MB in the beginning and 34.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.54ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 25.6MB in the end (delta: 8.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Referee took 443.02ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 25.6MB in the beginning and 44.8MB in the end (delta: -19.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:49,875 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