./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 a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+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-dev-a9b967e-m [2024-09-11 20:54:38,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:38,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:38,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:38,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:38,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:38,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:38,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:38,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:38,685 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:38,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:38,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:38,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:38,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:38,687 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:38,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:38,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:38,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:38,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:38,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:38,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:38,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:38,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:38,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:38,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:38,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:38,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:38,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:38,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:38,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:38,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:38,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:38,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:38,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:38,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:38,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:38,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:38,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:38,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:38,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:38,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:38,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:38,692 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:38,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:38,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:38,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:38,900 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:38,900 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:38,902 INFO L431 ainManager$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 [2024-09-11 20:54:40,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:40,265 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:40,266 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 [2024-09-11 20:54:40,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/db5c5c65b/6ce2fc943cb64357a01f5085612eef7c/FLAG92f4a6711 [2024-09-11 20:54:40,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/db5c5c65b/6ce2fc943cb64357a01f5085612eef7c [2024-09-11 20:54:40,283 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:40,284 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:40,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-11 20:54:40,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:40,331 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:40,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:40,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:40,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:40,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:40" (1/2) ... [2024-09-11 20:54:40,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75968118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:40" (1/2) ... [2024-09-11 20:54:40,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@102a3873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:40" (2/2) ... [2024-09-11 20:54:40,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75968118 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:40" (2/2) ... [2024-09-11 20:54:40,350 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:40,351 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((__tmp_155_0 == 1) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((main__index2 % 4294967296) <= 99999)) || ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-11 20:54:40,351 INFO L1541 ArrayList]: Location invariant before [L111-L143] (((((((long long) main__index2 + 1) % 4294967296) <= 99999) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 != 0)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-11 20:54:40,351 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-11 20:54:40,351 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-11 20:54:40,351 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-11 20:54:40,351 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-11 20:54:40,351 INFO L1541 ArrayList]: Location invariant before [L74-L212] ((((main__loop_entered == 0) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 == 1)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:54:40,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:40,507 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-11 20:54:40,515 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] [2024-09-11 20:54:40,521 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] [2024-09-11 20:54:40,523 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] [2024-09-11 20:54:40,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:40,532 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:54:40,549 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-11 20:54:40,555 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-11 20:54:40,580 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:54:40,590 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-11 20:54:40,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:40,607 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:40,608 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40 WrapperNode [2024-09-11 20:54:40,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:40,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:40,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:40,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:40,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,626 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,642 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 7, 5]. 50 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 2 writes are split as follows [0, 1, 1]. [2024-09-11 20:54:40,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:40,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:40,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:40,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:40,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (1/1) ... [2024-09-11 20:54:40,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:40,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:40,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:54:40,698 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:54:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:54:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-11 20:54:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:54:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-11 20:54:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-11 20:54:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:54:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-11 20:54:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-11 20:54:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:54:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:54:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-11 20:54:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-11 20:54:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:40,810 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:40,813 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:41,189 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:41,190 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:41,225 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:41,226 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:41,226 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:41 BoogieIcfgContainer [2024-09-11 20:54:41,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:41,227 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:41,227 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:41,227 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:41,227 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:40" (1/4) ... [2024-09-11 20:54:41,228 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7822ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,228 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:40" (2/4) ... [2024-09-11 20:54:41,228 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7822ec1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,228 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40" (3/4) ... [2024-09-11 20:54:41,232 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7822ec1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,233 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:41" (4/4) ... [2024-09-11 20:54:41,233 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-11 20:54:41,237 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:41,238 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:54:41,238 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-11 20:54:41,238 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-11 20:54:41,238 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-11 20:54:41,239 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 42 edges. [2024-09-11 20:54:41,239 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-11 20:54:41,239 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:54:41,239 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-11 20:54:41,239 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-11 20:54:41,241 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:54:41,241 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-11 20:54:41,241 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:41,284 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:54:41,285 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:41,285 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:41,286 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:41,286 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:41,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,308 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:54:41,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,309 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:41,309 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:41,310 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:41,310 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:41,326 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:41,347 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-11 20:54:41,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:41,348 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:41,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:41,348 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:41,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,364 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-11 20:54:41,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,365 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:41,365 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:41,365 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:41,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:41,371 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:41,386 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-11 20:54:41,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:41,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:41,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:41,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:41,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,403 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-11 20:54:41,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,404 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:41,404 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:41,404 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:41,405 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:41,406 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:41,423 INFO L314 BlockEncoder]: Initial Icfg 27 locations, 31 edges [2024-09-11 20:54:41,423 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:41,423 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:41,424 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:41,424 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:41,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,461 INFO L101 BaseMinimizeStates]: Removed 76 edges and 24 locations by large block encoding [2024-09-11 20:54:41,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,461 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:41,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:41,461 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:41,462 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-11 20:54:41,479 INFO L314 BlockEncoder]: Initial Icfg 36 locations, 42 edges [2024-09-11 20:54:41,479 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:41,479 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:41,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:41,479 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:41,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,536 INFO L101 BaseMinimizeStates]: Removed 99 edges and 32 locations by large block encoding [2024-09-11 20:54:41,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:41,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:41,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:41,544 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-11 20:54:41,544 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-11 20:54:41,548 INFO L158 Benchmark]: Toolchain (without parser) took 1216.46ms. Allocated memory is still 182.5MB. Free memory was 110.3MB in the beginning and 67.4MB in the end (delta: 42.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,548 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:41,550 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 182.5MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:41,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.14ms. Allocated memory is still 182.5MB. Free memory was 110.3MB in the beginning and 93.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,551 INFO L158 Benchmark]: Boogie Preprocessor took 53.94ms. Allocated memory is still 182.5MB. Free memory was 93.5MB in the beginning and 90.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,552 INFO L158 Benchmark]: RCFGBuilder took 562.92ms. Allocated memory is still 182.5MB. Free memory was 90.5MB in the beginning and 142.0MB in the end (delta: -51.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,552 INFO L158 Benchmark]: Referee took 320.07ms. Allocated memory is still 182.5MB. Free memory was 142.0MB in the beginning and 67.4MB in the end (delta: 74.6MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 182.5MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.14ms. Allocated memory is still 182.5MB. Free memory was 110.3MB in the beginning and 93.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.94ms. Allocated memory is still 182.5MB. Free memory was 93.5MB in the beginning and 90.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.92ms. Allocated memory is still 182.5MB. Free memory was 90.5MB in the beginning and 142.0MB in the end (delta: -51.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Referee took 320.07ms. Allocated memory is still 182.5MB. Free memory was 142.0MB in the beginning and 67.4MB in the end (delta: 74.6MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:41,578 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-dev-a9b967e-m [2024-09-11 20:54:43,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:43,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:43,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:43,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:43,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:43,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:43,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:43,363 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:43,363 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:43,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:43,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:43,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:43,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:43,364 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:43,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:43,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:43,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:43,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:43,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:43,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:43,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:43,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:43,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:43,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:43,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:43,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:43,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:43,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:43,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:43,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:43,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:43,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:43,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:43,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:43,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:43,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:43,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:43,370 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:43,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:43,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:43,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:43,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:43,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:43,372 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:43,372 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:43,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:43,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:43,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:43,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:43,611 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:43,612 INFO L431 ainManager$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 [2024-09-11 20:54:44,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:44,971 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:44,972 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 [2024-09-11 20:54:44,980 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3f33750d2/e3c313aca21545c5bb442ee179429354/FLAG2ae8530e2 [2024-09-11 20:54:44,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3f33750d2/e3c313aca21545c5bb442ee179429354 [2024-09-11 20:54:44,997 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:44,998 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:44,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-11 20:54:45,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:45,052 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:45,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:45,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:45,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:45,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:44" (1/2) ... [2024-09-11 20:54:45,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f95c6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:45, skipping insertion in model container [2024-09-11 20:54:45,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:44" (1/2) ... [2024-09-11 20:54:45,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22b1332d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:45, skipping insertion in model container [2024-09-11 20:54:45,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:45" (2/2) ... [2024-09-11 20:54:45,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f95c6a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45, skipping insertion in model container [2024-09-11 20:54:45,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:45" (2/2) ... [2024-09-11 20:54:45,073 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:45,074 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-11 20:54:45,074 INFO L1541 ArrayList]: Location invariant before [L74-L212] ((((main__loop_entered == 0) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 == 1)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:54:45,074 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-11 20:54:45,074 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((__tmp_155_0 == 1) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((main__index2 % 4294967296) <= 99999)) || ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-11 20:54:45,074 INFO L1541 ArrayList]: Location invariant before [L111-L143] (((((((long long) main__index2 + 1) % 4294967296) <= 99999) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 != 0)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-11 20:54:45,074 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-11 20:54:45,074 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-11 20:54:45,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:45,277 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-11 20:54:45,290 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] [2024-09-11 20:54:45,294 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] [2024-09-11 20:54:45,298 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] [2024-09-11 20:54:45,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:45,313 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:54:45,328 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-11 20:54:45,331 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-11 20:54:45,359 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:54:45,376 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-11 20:54:45,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:45,409 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:45,410 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45 WrapperNode [2024-09-11 20:54:45,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:45,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:45,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:45,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:45,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,428 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,442 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]. [2024-09-11 20:54:45,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:45,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:45,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:45,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:45,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (1/1) ... [2024-09-11 20:54:45,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:45,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:45,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:54:45,496 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:54:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:54:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-11 20:54:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:54:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:54:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:54:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-11 20:54:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-11 20:54:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-11 20:54:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-11 20:54:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-11 20:54:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-11 20:54:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-11 20:54:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:54:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-11 20:54:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-11 20:54:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-11 20:54:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:54:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-11 20:54:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-11 20:54:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:54:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-11 20:54:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-11 20:54:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:54:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-11 20:54:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-11 20:54:45,630 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:45,632 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:45,956 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:45,956 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:45,985 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:45,985 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:45,986 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:45 BoogieIcfgContainer [2024-09-11 20:54:45,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:45,986 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:45,987 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:45,987 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:45,988 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:44" (1/4) ... [2024-09-11 20:54:45,988 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@399437aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:45, skipping insertion in model container [2024-09-11 20:54:45,988 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:45" (2/4) ... [2024-09-11 20:54:45,988 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@399437aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:45, skipping insertion in model container [2024-09-11 20:54:45,988 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:45" (3/4) ... [2024-09-11 20:54:46,006 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@399437aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:45, skipping insertion in model container [2024-09-11 20:54:46,006 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:45" (4/4) ... [2024-09-11 20:54:46,008 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-11 20:54:46,015 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:46,016 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:54:46,016 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-11 20:54:46,016 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-11 20:54:46,016 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-11 20:54:46,016 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 42 edges. [2024-09-11 20:54:46,016 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-11 20:54:46,017 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:54:46,017 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-11 20:54:46,017 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-11 20:54:46,017 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:54:46,017 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-11 20:54:46,017 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:46,081 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:54:46,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:46,083 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:46,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:46,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:46,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,115 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:54:46,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:46,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:46,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:46,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:46,132 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:46,156 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-11 20:54:46,157 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:46,157 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:46,157 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:46,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:46,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,177 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-11 20:54:46,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:46,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:46,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:46,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:46,183 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:46,200 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-11 20:54:46,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:46,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:46,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:46,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:46,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,219 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-11 20:54:46,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:46,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:46,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:46,221 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:46,222 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:46,243 INFO L314 BlockEncoder]: Initial Icfg 27 locations, 31 edges [2024-09-11 20:54:46,244 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:46,244 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:46,244 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:46,244 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:46,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,283 INFO L101 BaseMinimizeStates]: Removed 76 edges and 24 locations by large block encoding [2024-09-11 20:54:46,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,283 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:46,284 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:46,284 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:46,285 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-11 20:54:46,300 INFO L314 BlockEncoder]: Initial Icfg 36 locations, 42 edges [2024-09-11 20:54:46,301 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:46,301 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:46,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:46,301 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:46,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,348 INFO L101 BaseMinimizeStates]: Removed 99 edges and 32 locations by large block encoding [2024-09-11 20:54:46,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:46,348 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:46,348 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:46,348 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:46,354 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-11 20:54:46,355 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-11 20:54:46,360 INFO L158 Benchmark]: Toolchain (without parser) took 1306.66ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 55.4MB in the beginning and 46.0MB in the end (delta: 9.4MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:46,360 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:46,361 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 88.1MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:46,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.68ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 66.9MB in the end (delta: -11.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:46,361 INFO L158 Benchmark]: Boogie Preprocessor took 54.55ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 63.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:46,362 INFO L158 Benchmark]: RCFGBuilder took 520.44ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 36.9MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:46,363 INFO L158 Benchmark]: Referee took 371.47ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 36.9MB in the beginning and 46.0MB in the end (delta: -9.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-09-11 20:54:46,365 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 88.1MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 88.1MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.68ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 66.9MB in the end (delta: -11.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.55ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 63.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 520.44ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 36.9MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 371.47ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 36.9MB in the beginning and 46.0MB in the end (delta: -9.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:46,389 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug