./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 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:09:27,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:09:27,344 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:09:27,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:09:27,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:09:27,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:09:27,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:09:27,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:09:27,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:09:27,377 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:09:27,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:09:27,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:09:27,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:09:27,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:09:27,380 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:09:27,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:09:27,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:09:27,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:09:27,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:09:27,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:09:27,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:09:27,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:09:27,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:09:27,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:09:27,386 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:09:27,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:09:27,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:09:27,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:09:27,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:09:27,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:09:27,387 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:09:27,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:09:27,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:09:27,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:09:27,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:09:27,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:09:27,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:09:27,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:09:27,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:09:27,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:09:27,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:09:27,391 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:09:27,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:09:27,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:09:27,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:09:27,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:09:27,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:09:27,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:09:27,654 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:09:27,655 INFO L431 ainManager$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 [2024-09-15 20:09:29,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:09:29,272 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:09:29,272 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 [2024-09-15 20:09:29,279 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/94680dc11/eb03613aed4444aaa09d5f9d73f49811/FLAGc1d515b0c [2024-09-15 20:09:29,294 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/94680dc11/eb03613aed4444aaa09d5f9d73f49811 [2024-09-15 20:09:29,297 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:09:29,297 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:09:29,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-15 20:09:29,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:09:29,353 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:09:29,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:09:29,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:09:29,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:09:29,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:09:29" (1/2) ... [2024-09-15 20:09:29,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e494f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:29, skipping insertion in model container [2024-09-15 20:09:29,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:09:29" (1/2) ... [2024-09-15 20:09:29,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18b740f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:29, skipping insertion in model container [2024-09-15 20:09:29,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:29" (2/2) ... [2024-09-15 20:09:29,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e494f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:09:29, skipping insertion in model container [2024-09-15 20:09:29,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:29" (2/2) ... [2024-09-15 20:09:29,384 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:09:29,385 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-15 20:09:29,389 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-15 20:09:29,390 INFO L1541 ArrayList]: Location invariant before [L155-L195] (((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) || (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-15 20:09:29,390 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-15 20:09:29,390 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) && (main__loop_entered == 0)) [2024-09-15 20:09:29,390 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-15 20:09:29,390 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-15 20:09:29,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:09:29,586 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-15 20:09:29,594 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-15 20:09:29,598 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-15 20:09:29,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:09:29,611 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:09:29,631 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-15 20:09:29,639 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-15 20:09:29,670 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-15 20:09:29,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:09:29,710 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:09:29,711 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:09:29 WrapperNode [2024-09-15 20:09:29,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:09:29,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:09:29,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:09:29,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:09:29,726 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,726 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,735 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,769 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]. [2024-09-15 20:09:29,773 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,773 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,785 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,791 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,793 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,794 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:09:29,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:09:29,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:09:29,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:09:29,807 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 15.09 08:09:29" (1/1) ... [2024-09-15 20:09:29,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:09:29,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:09:29,842 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) [2024-09-15 20:09:29,846 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 [2024-09-15 20:09:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:09:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:09:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:09:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:09:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-15 20:09:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:09:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:09:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:09:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:09:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:09:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:09:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:09:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:09:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:09:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-15 20:09:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-15 20:09:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-15 20:09:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-15 20:09:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-15 20:09:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-15 20:09:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-15 20:09:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-15 20:09:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-15 20:09:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-15 20:09:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-15 20:09:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:09:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:09:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:09:30,014 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:09:30,016 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:09:30,334 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:09:30,398 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:09:30,398 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:09:30,398 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:09:30 BoogieIcfgContainer [2024-09-15 20:09:30,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:09:30,399 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:09:30,399 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:09:30,400 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:09:30,400 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:09:29" (1/4) ... [2024-09-15 20:09:30,401 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7dd288eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:09:30, skipping insertion in model container [2024-09-15 20:09:30,401 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:29" (2/4) ... [2024-09-15 20:09:30,401 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7dd288eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:09:30, skipping insertion in model container [2024-09-15 20:09:30,401 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 15.09 08:09:29" (3/4) ... [2024-09-15 20:09:30,402 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7dd288eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:09:30, skipping insertion in model container [2024-09-15 20:09:30,402 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:09:30" (4/4) ... [2024-09-15 20:09:30,403 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-15 20:09:30,406 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:09:30,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-15 20:09:30,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-15 20:09:30,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-15 20:09:30,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-15 20:09:30,409 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-15 20:09:30,409 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:09:30,409 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-15 20:09:30,409 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-15 20:09:30,410 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-15 20:09:30,410 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-15 20:09:30,410 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-15 20:09:30,482 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-15 20:09:30,483 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:30,484 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:30,484 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:30,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:30,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:30,624 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-15 20:09:30,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:30,627 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:30,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:30,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:30,633 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:09:30,653 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-15 20:09:30,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:30,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:30,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:30,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:30,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:30,675 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-15 20:09:30,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:30,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:30,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:30,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:30,679 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:09:30,701 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:09:30,725 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-15 20:09:30,725 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:30,727 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:30,727 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:30,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:30,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:30,793 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-15 20:09:30,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:30,794 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:30,794 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:30,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:30,796 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:09:30,817 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-15 20:09:30,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:30,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:30,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:30,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:30,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:30,833 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-15 20:09:30,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:30,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:30,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:30,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:30,836 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:09:30,846 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:09:30,914 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-15 20:09:30,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:30,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:30,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:30,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:30,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:31,066 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-15 20:09:31,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:31,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:31,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:31,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:31,075 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-15 20:09:31,076 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) [2024-09-15 20:09:31,080 INFO L158 Benchmark]: Toolchain (without parser) took 1725.68ms. Allocated memory is still 163.6MB. Free memory was 87.6MB in the beginning and 89.7MB in the end (delta: -2.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-15 20:09:31,082 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:09:31,083 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory was 89.7MB in the beginning and 89.3MB in the end (delta: 379.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:09:31,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.70ms. Allocated memory is still 163.6MB. Free memory was 87.2MB in the beginning and 71.3MB in the end (delta: 15.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:09:31,085 INFO L158 Benchmark]: Boogie Preprocessor took 93.38ms. Allocated memory is still 163.6MB. Free memory was 71.3MB in the beginning and 68.3MB in the end (delta: 3.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-15 20:09:31,086 INFO L158 Benchmark]: RCFGBuilder took 592.59ms. Allocated memory is still 163.6MB. Free memory was 68.3MB in the beginning and 112.9MB in the end (delta: -44.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-15 20:09:31,086 INFO L158 Benchmark]: Referee took 679.40ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 89.7MB in the end (delta: 23.2MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-09-15 20:09:31,089 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 0.18ms. Allocated memory is still 163.6MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory was 89.7MB in the beginning and 89.3MB in the end (delta: 379.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.70ms. Allocated memory is still 163.6MB. Free memory was 87.2MB in the beginning and 71.3MB in the end (delta: 15.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.38ms. Allocated memory is still 163.6MB. Free memory was 71.3MB in the beginning and 68.3MB in the end (delta: 3.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 592.59ms. Allocated memory is still 163.6MB. Free memory was 68.3MB in the beginning and 112.9MB in the end (delta: -44.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 679.40ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 89.7MB in the end (delta: 23.2MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:09:31,118 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:09:33,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:09:33,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:09:33,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:09:33,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:09:33,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:09:33,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:09:33,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:09:33,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:09:33,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:09:33,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:09:33,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:09:33,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:09:33,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:09:33,402 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:09:33,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:09:33,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:09:33,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:09:33,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:09:33,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:09:33,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:09:33,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:09:33,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:09:33,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:09:33,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:09:33,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:09:33,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:09:33,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:09:33,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:09:33,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:09:33,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:09:33,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:09:33,412 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:09:33,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:09:33,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:09:33,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:09:33,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:09:33,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:09:33,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:09:33,416 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:09:33,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:09:33,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:09:33,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:09:33,418 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:09:33,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:09:33,419 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:09:33,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:09:33,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:09:33,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:09:33,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:09:33,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:09:33,769 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:09:33,771 INFO L431 ainManager$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 [2024-09-15 20:09:35,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:09:35,531 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:09:35,532 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 [2024-09-15 20:09:35,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/20aa0d0cd/bc2d8c73ade64bb69cd4f282a4e567f8/FLAG63d194f0b [2024-09-15 20:09:35,549 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/20aa0d0cd/bc2d8c73ade64bb69cd4f282a4e567f8 [2024-09-15 20:09:35,550 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:09:35,551 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:09:35,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-15 20:09:35,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:09:35,612 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:09:35,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:09:35,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:09:35,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:09:35,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:09:35" (1/2) ... [2024-09-15 20:09:35,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d066402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:35, skipping insertion in model container [2024-09-15 20:09:35,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:09:35" (1/2) ... [2024-09-15 20:09:35,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4aae6815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:09:35, skipping insertion in model container [2024-09-15 20:09:35,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:35" (2/2) ... [2024-09-15 20:09:35,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d066402 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:09:35, skipping insertion in model container [2024-09-15 20:09:35,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:35" (2/2) ... [2024-09-15 20:09:35,644 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:09:35,644 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-15 20:09:35,645 INFO L1541 ArrayList]: Location invariant before [L155-L195] (((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) || (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-15 20:09:35,645 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-15 20:09:35,645 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-15 20:09:35,645 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) && (main__loop_entered == 0)) [2024-09-15 20:09:35,645 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-15 20:09:35,645 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-15 20:09:35,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:09:35,852 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-15 20:09:35,863 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-15 20:09:35,866 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-15 20:09:35,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:09:35,885 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:09:35,907 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-15 20:09:35,913 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-15 20:09:35,947 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/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 [2024-09-15 20:09:35,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:09:35,988 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:09:35,989 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:09:35 WrapperNode [2024-09-15 20:09:35,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:09:35,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:09:35,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:09:35,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:09:36,002 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,003 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,014 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,039 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]. [2024-09-15 20:09:36,041 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,042 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,060 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,064 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,065 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,067 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:09:36,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:09:36,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:09:36,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:09:36,073 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 15.09 08:09:35" (1/1) ... [2024-09-15 20:09:36,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:09:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:09:36,105 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) [2024-09-15 20:09:36,108 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 [2024-09-15 20:09:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:09:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:09:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:09:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:09:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-15 20:09:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:09:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:09:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:09:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:09:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:09:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:09:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:09:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:09:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:09:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-15 20:09:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-15 20:09:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-15 20:09:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-15 20:09:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-15 20:09:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-15 20:09:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-15 20:09:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-15 20:09:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-15 20:09:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-15 20:09:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-15 20:09:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:09:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:09:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-15 20:09:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-15 20:09:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-15 20:09:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:09:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-15 20:09:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-15 20:09:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-15 20:09:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-15 20:09:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-15 20:09:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-15 20:09:36,259 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:09:36,261 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:09:36,602 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:09:36,643 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:09:36,643 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:09:36,643 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:09:36 BoogieIcfgContainer [2024-09-15 20:09:36,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:09:36,644 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:09:36,644 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:09:36,649 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:09:36,650 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:09:35" (1/4) ... [2024-09-15 20:09:36,650 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e58c803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:09:36, skipping insertion in model container [2024-09-15 20:09:36,651 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:09:35" (2/4) ... [2024-09-15 20:09:36,651 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e58c803 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:09:36, skipping insertion in model container [2024-09-15 20:09:36,651 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 15.09 08:09:35" (3/4) ... [2024-09-15 20:09:36,651 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e58c803 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:09:36, skipping insertion in model container [2024-09-15 20:09:36,651 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:09:36" (4/4) ... [2024-09-15 20:09:36,652 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-15 20:09:36,655 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:09:36,656 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-15 20:09:36,656 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-15 20:09:36,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-15 20:09:36,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-15 20:09:36,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-15 20:09:36,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:09:36,658 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-15 20:09:36,658 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-15 20:09:36,659 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-15 20:09:36,659 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-15 20:09:36,659 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-15 20:09:36,734 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-15 20:09:36,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:36,736 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:36,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:36,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:36,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:36,866 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-15 20:09:36,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:36,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:36,868 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:36,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:36,874 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:09:36,898 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-15 20:09:36,898 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:36,898 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:36,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:36,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:36,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:36,917 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-15 20:09:36,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:36,918 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:36,918 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:36,918 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:36,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:09:36,934 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:09:36,953 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-15 20:09:36,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:36,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:36,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:36,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:36,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:37,003 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-15 20:09:37,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:37,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:37,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:37,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:37,005 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-15 20:09:37,021 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-15 20:09:37,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:37,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:37,021 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:37,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:37,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:37,034 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-15 20:09:37,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:37,035 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:37,035 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:37,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:37,036 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:09:37,037 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:09:37,050 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-15 20:09:37,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:09:37,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:09:37,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:09:37,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:09:37,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:37,159 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-15 20:09:37,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:09:37,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:09:37,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:09:37,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:09:37,163 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-15 20:09:37,164 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) [2024-09-15 20:09:37,168 INFO L158 Benchmark]: Toolchain (without parser) took 1555.22ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 34.2MB in the beginning and 37.3MB in the end (delta: -3.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-09-15 20:09:37,168 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 46.1MB. Free memory is still 26.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:09:37,169 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 180.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:09:37,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.45ms. Allocated memory is still 69.2MB. Free memory was 34.0MB in the beginning and 37.4MB in the end (delta: -3.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-09-15 20:09:37,170 INFO L158 Benchmark]: Boogie Preprocessor took 81.36ms. Allocated memory is still 69.2MB. Free memory was 37.4MB in the beginning and 34.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-15 20:09:37,170 INFO L158 Benchmark]: RCFGBuilder took 571.66ms. Allocated memory is still 69.2MB. Free memory was 34.3MB in the beginning and 30.2MB in the end (delta: 4.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-15 20:09:37,171 INFO L158 Benchmark]: Referee took 522.19ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 37.3MB in the end (delta: -7.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-09-15 20:09:37,173 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 0.24ms. Allocated memory is still 46.1MB. Free memory is still 26.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 180.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.45ms. Allocated memory is still 69.2MB. Free memory was 34.0MB in the beginning and 37.4MB in the end (delta: -3.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.36ms. Allocated memory is still 69.2MB. Free memory was 37.4MB in the beginning and 34.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 571.66ms. Allocated memory is still 69.2MB. Free memory was 34.3MB in the beginning and 30.2MB in the end (delta: 4.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Referee took 522.19ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 37.3MB in the end (delta: -7.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:09:37,201 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