./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+lhb-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+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 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+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-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-de32597-m [2024-09-17 19:42:17,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:42:17,948 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:42:17,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:42:17,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:42:18,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:42:18,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:42:18,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:42:18,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:42:18,002 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:42:18,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:42:18,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:42:18,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:42:18,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:42:18,007 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:42:18,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:42:18,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:42:18,023 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:42:18,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:42:18,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:42:18,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:42:18,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:42:18,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:42:18,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:42:18,031 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:42:18,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:42:18,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:42:18,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:42:18,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:42:18,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:42:18,033 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:42:18,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:42:18,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:42:18,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:42:18,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:42:18,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:42:18,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:42:18,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:42:18,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:42:18,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:42:18,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:42:18,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:42:18,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:42:18,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:42:18,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:42:18,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:42:18,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:42:18,441 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:42:18,442 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:42:18,444 INFO L431 ainManager$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+lhb-reducer.yml/witness-2.1.yml [2024-09-17 19:42:18,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:42:18,592 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:42:18,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-17 19:42:20,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:42:20,176 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:42:20,177 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-17 19:42:20,187 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f2b92bf4f/3a715123451f4daba8d9532403e652a5/FLAG72dbf8782 [2024-09-17 19:42:20,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f2b92bf4f/3a715123451f4daba8d9532403e652a5 [2024-09-17 19:42:20,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:42:20,199 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:42:20,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:42:20,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:42:20,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:42:20,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:42:18" (1/2) ... [2024-09-17 19:42:20,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98ece78 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:42:20, skipping insertion in model container [2024-09-17 19:42:20,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:42:18" (1/2) ... [2024-09-17 19:42:20,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ccedca8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:42:20, skipping insertion in model container [2024-09-17 19:42:20,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:42:20" (2/2) ... [2024-09-17 19:42:20,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98ece78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20, skipping insertion in model container [2024-09-17 19:42:20,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:42:20" (2/2) ... [2024-09-17 19:42:20,225 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:42:20,225 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-17 19:42:20,225 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((main__index2 + 1) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (main__index2 + 1))) || (((main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-17 19:42:20,225 INFO L1541 ArrayList]: Location invariant before [L93-L202] (((main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-17 19:42:20,225 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((main__index2 + 1) <= 99999)) && ((main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (main__index2 + 1))) [2024-09-17 19:42:20,226 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((main__index2 + 1) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (main__index2 + 1))) [2024-09-17 19:42:20,226 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && ((main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) && (main__loop_entered == 0)) [2024-09-17 19:42:20,226 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-17 19:42:20,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:42:20,395 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+lhb-reducer.c[2334,2347] [2024-09-17 19:42:20,403 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+lhb-reducer.c[3766,3779] [2024-09-17 19:42:20,408 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+lhb-reducer.c[5193,5206] [2024-09-17 19:42:20,413 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+lhb-reducer.c[7003,7016] [2024-09-17 19:42:20,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:42:20,430 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:42:20,467 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+lhb-reducer.c[2334,2347] [2024-09-17 19:42:20,475 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+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-17 19:42:20,507 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+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-17 19:42:20,518 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+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-17 19:42:20,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:42:20,542 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:42:20,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20 WrapperNode [2024-09-17 19:42:20,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:42:20,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:42:20,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:42:20,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:42:20,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,584 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 5, 7]. 50 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]. [2024-09-17 19:42:20,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:42:20,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:42:20,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:42:20,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:42:20,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (1/1) ... [2024-09-17 19:42:20,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:42:20,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:42:20,634 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) [2024-09-17 19:42:20,636 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 [2024-09-17 19:42:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:42:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:42:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:42:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:42:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-17 19:42:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:42:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:42:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:42:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:42:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:42:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:42:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:42:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:42:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:42:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-17 19:42:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-17 19:42:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-17 19:42:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-17 19:42:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-17 19:42:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-17 19:42:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-17 19:42:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-17 19:42:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-17 19:42:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-17 19:42:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-17 19:42:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:42:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:42:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:42:20,776 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:42:20,778 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:42:21,005 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:42:21,035 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:42:21,035 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:42:21,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:42:21 BoogieIcfgContainer [2024-09-17 19:42:21,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:42:21,036 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:42:21,036 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:42:21,037 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:42:21,037 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:42:18" (1/4) ... [2024-09-17 19:42:21,037 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@245d8f35 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:42:21, skipping insertion in model container [2024-09-17 19:42:21,037 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:42:20" (2/4) ... [2024-09-17 19:42:21,037 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@245d8f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:42:21, skipping insertion in model container [2024-09-17 19:42:21,037 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:20" (3/4) ... [2024-09-17 19:42:21,038 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@245d8f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:42:21, skipping insertion in model container [2024-09-17 19:42:21,038 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:42:21" (4/4) ... [2024-09-17 19:42:21,038 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-17 19:42:21,041 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:42:21,042 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-17 19:42:21,042 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-17 19:42:21,042 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-17 19:42:21,042 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-17 19:42:21,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 42 edges. [2024-09-17 19:42:21,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-17 19:42:21,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-17 19:42:21,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-17 19:42:21,044 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-17 19:42:21,044 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:42:21,045 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-17 19:42:21,045 INFO L131 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-17 19:42:21,093 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-17 19:42:21,098 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:21,099 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:21,099 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:21,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:21,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,139 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-17 19:42:21,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,140 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:21,140 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:21,140 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:21,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:42:21,167 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:42:21,195 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-17 19:42:21,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:21,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:21,195 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:21,196 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:21,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,215 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-17 19:42:21,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,217 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:21,217 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:21,217 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:21,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:42:21,223 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:42:21,243 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-17 19:42:21,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:21,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:21,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:21,243 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:21,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,260 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-17 19:42:21,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:21,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:21,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:21,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:42:21,264 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:42:21,285 INFO L314 BlockEncoder]: Initial Icfg 27 locations, 31 edges [2024-09-17 19:42:21,285 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:21,286 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:21,286 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:21,286 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:21,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,368 INFO L101 BaseMinimizeStates]: Removed 76 edges and 24 locations by large block encoding [2024-09-17 19:42:21,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:21,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:21,369 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:21,370 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:42:21,386 INFO L314 BlockEncoder]: Initial Icfg 36 locations, 42 edges [2024-09-17 19:42:21,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:21,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:21,388 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:21,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:21,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,461 INFO L101 BaseMinimizeStates]: Removed 99 edges and 32 locations by large block encoding [2024-09-17 19:42:21,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:21,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:21,462 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:21,462 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:21,475 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-17 19:42:21,476 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) [2024-09-17 19:42:21,481 INFO L158 Benchmark]: Toolchain (without parser) took 1281.27ms. Allocated memory is still 184.5MB. Free memory was 114.3MB in the beginning and 109.7MB in the end (delta: 4.6MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-09-17 19:42:21,481 INFO L158 Benchmark]: Witness Parser took 3.77ms. Allocated memory is still 111.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:42:21,482 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 161.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:42:21,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.24ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 154.5MB in the end (delta: -40.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-09-17 19:42:21,484 INFO L158 Benchmark]: Boogie Preprocessor took 62.40ms. Allocated memory is still 184.5MB. Free memory was 154.5MB in the beginning and 151.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-17 19:42:21,485 INFO L158 Benchmark]: RCFGBuilder took 428.18ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 127.3MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-17 19:42:21,485 INFO L158 Benchmark]: Referee took 444.04ms. Allocated memory is still 184.5MB. Free memory was 127.3MB in the beginning and 109.7MB in the end (delta: 17.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-17 19:42:21,487 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 3.77ms. Allocated memory is still 111.1MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 161.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.24ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 154.5MB in the end (delta: -40.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.40ms. Allocated memory is still 184.5MB. Free memory was 154.5MB in the beginning and 151.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 428.18ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 127.3MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 444.04ms. Allocated memory is still 184.5MB. Free memory was 127.3MB in the beginning and 109.7MB in the end (delta: 17.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:42:21,513 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-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-de32597-m [2024-09-17 19:42:23,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:42:23,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:42:23,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:42:23,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:42:23,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:42:23,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:42:23,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:42:23,676 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:42:23,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:42:23,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:42:23,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:42:23,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:42:23,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:42:23,680 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:42:23,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:42:23,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:42:23,680 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:42:23,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:42:23,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:42:23,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:42:23,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:42:23,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:42:23,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:42:23,684 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:42:23,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:42:23,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:42:23,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:42:23,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:42:23,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:42:23,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:42:23,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:42:23,686 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:42:23,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:42:23,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:42:23,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:42:23,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:42:23,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:42:23,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:42:23,689 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:42:23,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:42:23,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:42:23,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:42:23,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:42:23,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:42:23,691 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:42:23,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:42:23,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:42:23,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:42:23,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:42:23,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:42:23,970 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:42:23,970 INFO L431 ainManager$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+lhb-reducer.c [2024-09-17 19:42:25,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:42:25,428 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:42:25,428 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-17 19:42:25,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3687568b4/58158540a75a477b858f2a48a433c155/FLAG9e41994f5 [2024-09-17 19:42:25,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3687568b4/58158540a75a477b858f2a48a433c155 [2024-09-17 19:42:25,457 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:42:25,458 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:42:25,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-17 19:42:25,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:42:25,508 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:42:25,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:42:25,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:42:25,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:42:25,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:42:25" (1/2) ... [2024-09-17 19:42:25,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd6c2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:25, skipping insertion in model container [2024-09-17 19:42:25,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:42:25" (1/2) ... [2024-09-17 19:42:25,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78a056a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:42:25, skipping insertion in model container [2024-09-17 19:42:25,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:42:25" (2/2) ... [2024-09-17 19:42:25,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd6c2e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:42:25, skipping insertion in model container [2024-09-17 19:42:25,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:42:25" (2/2) ... [2024-09-17 19:42:25,545 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:42:25,546 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((main__index2 + 1) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (main__index2 + 1))) [2024-09-17 19:42:25,546 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-17 19:42:25,546 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((main__index2 + 1) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (main__index2 + 1))) || (((main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-17 19:42:25,546 INFO L1541 ArrayList]: Location invariant before [L93-L202] (((main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-17 19:42:25,546 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && ((main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) && (main__loop_entered == 0)) [2024-09-17 19:42:25,546 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-17 19:42:25,546 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((main__index2 + 1) <= 99999)) && ((main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (main__index2 + 1))) [2024-09-17 19:42:25,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:42:25,695 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+lhb-reducer.c[2334,2347] [2024-09-17 19:42:25,706 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] [2024-09-17 19:42:25,708 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+lhb-reducer.c[5193,5206] [2024-09-17 19:42:25,715 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+lhb-reducer.c[7003,7016] [2024-09-17 19:42:25,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:42:25,726 INFO L200 MainTranslator]: Completed pre-run [2024-09-17 19:42:25,742 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+lhb-reducer.c[2334,2347] [2024-09-17 19:42:25,746 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+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-17 19:42:25,773 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+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-17 19:42:25,782 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+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-17 19:42:25,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:42:25,805 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:42:25,806 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:42:25 WrapperNode [2024-09-17 19:42:25,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:42:25,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:42:25,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:42:25,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:42:25,816 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,817 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,825 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,843 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 5, 7]. 50 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]. [2024-09-17 19:42:25,843 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,843 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,854 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,858 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,859 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,864 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:42:25,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:42:25,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:42:25,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:42:25,869 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 17.09 07:42:25" (1/1) ... [2024-09-17 19:42:25,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:42:25,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:42:25,891 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) [2024-09-17 19:42:25,893 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 [2024-09-17 19:42:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:42:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:42:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:42:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:42:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-17 19:42:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:42:25,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:42:25,932 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:42:25,932 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:42:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:42:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:42:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:42:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:42:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:42:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-17 19:42:25,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-17 19:42:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-17 19:42:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-17 19:42:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-17 19:42:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-17 19:42:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-17 19:42:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-17 19:42:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-17 19:42:25,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-17 19:42:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-17 19:42:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:42:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:42:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-17 19:42:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-17 19:42:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-17 19:42:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:42:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-17 19:42:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-17 19:42:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-17 19:42:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-17 19:42:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-17 19:42:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-17 19:42:26,006 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:42:26,008 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:42:26,263 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:42:26,291 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:42:26,291 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-17 19:42:26,291 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:42:26 BoogieIcfgContainer [2024-09-17 19:42:26,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:42:26,292 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:42:26,292 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:42:26,293 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:42:26,293 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:42:25" (1/4) ... [2024-09-17 19:42:26,293 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4eae2999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:42:26, skipping insertion in model container [2024-09-17 19:42:26,293 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:42:25" (2/4) ... [2024-09-17 19:42:26,293 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4eae2999 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:42:26, skipping insertion in model container [2024-09-17 19:42:26,294 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 17.09 07:42:25" (3/4) ... [2024-09-17 19:42:26,294 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4eae2999 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:42:26, skipping insertion in model container [2024-09-17 19:42:26,294 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:42:26" (4/4) ... [2024-09-17 19:42:26,295 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-17 19:42:26,297 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-17 19:42:26,298 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-17 19:42:26,298 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-17 19:42:26,298 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-17 19:42:26,298 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-17 19:42:26,299 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 42 edges. [2024-09-17 19:42:26,299 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-17 19:42:26,299 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-17 19:42:26,299 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-17 19:42:26,299 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-17 19:42:26,300 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:42:26,300 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-17 19:42:26,300 INFO L131 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-17 19:42:26,339 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-17 19:42:26,341 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:26,341 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:26,341 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:26,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:26,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,365 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-17 19:42:26,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,366 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:26,366 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:26,366 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:26,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:42:26,378 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:42:26,398 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-17 19:42:26,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:26,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:26,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:26,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:26,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,416 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-17 19:42:26,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:26,417 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:26,417 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:26,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:42:26,421 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:42:26,445 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-17 19:42:26,445 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:26,445 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:26,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:26,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:26,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,462 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-17 19:42:26,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:26,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:26,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:26,463 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:42:26,468 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:42:26,481 INFO L314 BlockEncoder]: Initial Icfg 27 locations, 31 edges [2024-09-17 19:42:26,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:26,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:26,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:26,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:26,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,531 INFO L101 BaseMinimizeStates]: Removed 76 edges and 24 locations by large block encoding [2024-09-17 19:42:26,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,532 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:26,532 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:26,532 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:26,534 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-17 19:42:26,547 INFO L314 BlockEncoder]: Initial Icfg 36 locations, 42 edges [2024-09-17 19:42:26,547 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:42:26,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:42:26,547 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:42:26,547 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:42:26,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,625 INFO L101 BaseMinimizeStates]: Removed 99 edges and 32 locations by large block encoding [2024-09-17 19:42:26,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:42:26,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:42:26,628 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:42:26,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:42:26,634 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-17 19:42:26,634 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) [2024-09-17 19:42:26,639 INFO L158 Benchmark]: Toolchain (without parser) took 1131.16ms. Allocated memory was 75.5MB in the beginning and 138.4MB in the end (delta: 62.9MB). Free memory was 34.8MB in the beginning and 102.2MB in the end (delta: -67.3MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-09-17 19:42:26,640 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:42:26,640 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:42:26,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.62ms. Allocated memory is still 75.5MB. Free memory was 34.6MB in the beginning and 39.7MB in the end (delta: -5.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-09-17 19:42:26,640 INFO L158 Benchmark]: Boogie Preprocessor took 59.25ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 36.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-17 19:42:26,641 INFO L158 Benchmark]: RCFGBuilder took 425.30ms. Allocated memory was 75.5MB in the beginning and 138.4MB in the end (delta: 62.9MB). Free memory was 36.5MB in the beginning and 97.0MB in the end (delta: -60.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-09-17 19:42:26,641 INFO L158 Benchmark]: Referee took 346.19ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 102.2MB in the end (delta: -5.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-09-17 19:42:26,645 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 0.15ms. Allocated memory is still 75.5MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.62ms. Allocated memory is still 75.5MB. Free memory was 34.6MB in the beginning and 39.7MB in the end (delta: -5.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.25ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 36.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 425.30ms. Allocated memory was 75.5MB in the beginning and 138.4MB in the end (delta: 62.9MB). Free memory was 36.5MB in the beginning and 97.0MB in the end (delta: -60.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Referee took 346.19ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 102.2MB in the end (delta: -5.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:42:26,666 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