./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 27b49876 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-27b4987-m [2024-09-21 12:51:24,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:51:24,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:51:24,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:51:24,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:51:24,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:51:24,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:51:24,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:51:24,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:51:24,394 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:51:24,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:51:24,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:51:24,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:51:24,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:51:24,396 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:51:24,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:51:24,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:51:24,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:51:24,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:51:24,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:51:24,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:51:24,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:51:24,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:51:24,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:51:24,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:51:24,400 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:51:24,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:51:24,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:51:24,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:51:24,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:51:24,402 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:51:24,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:51:24,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:51:24,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:51:24,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:51:24,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:51:24,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:51:24,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:51:24,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:51:24,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:51:24,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:51:24,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:51:24,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:51:24,411 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:51:24,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:51:24,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:51:24,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:51:24,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:51:24,694 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:51:24,696 INFO L431 ainManager$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 [2024-09-21 12:51:26,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:51:26,365 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:51:26,366 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 [2024-09-21 12:51:26,374 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c85dbba59/a5bff02027fe4fbfae0030afc67e563a/FLAGa1aafba96 [2024-09-21 12:51:26,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c85dbba59/a5bff02027fe4fbfae0030afc67e563a [2024-09-21 12:51:26,390 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:51:26,391 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:51:26,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-21 12:51:26,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:51:26,460 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:51:26,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:51:26,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:51:26,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:51:26,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:51:26" (1/2) ... [2024-09-21 12:51:26,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d296d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:26, skipping insertion in model container [2024-09-21 12:51:26,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:51:26" (1/2) ... [2024-09-21 12:51:26,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fb05a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:26, skipping insertion in model container [2024-09-21 12:51:26,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:26" (2/2) ... [2024-09-21 12:51:26,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d296d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:51:26, skipping insertion in model container [2024-09-21 12:51:26,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:26" (2/2) ... [2024-09-21 12:51:26,487 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:51:26,489 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)) [2024-09-21 12:51:26,490 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)))) [2024-09-21 12:51:26,490 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-21 12:51:26,490 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))) [2024-09-21 12:51:26,490 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-21 12:51:26,490 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))) [2024-09-21 12:51:26,490 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-21 12:51:26,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:51:26,667 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] [2024-09-21 12:51:26,674 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] [2024-09-21 12:51:26,677 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] [2024-09-21 12:51:26,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:51:26,686 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:51:26,703 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] [2024-09-21 12:51:26,708 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-21 12:51:26,735 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 [2024-09-21 12:51:26,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:51:26,765 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:51:26,766 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:51:26 WrapperNode [2024-09-21 12:51:26,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:51:26,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:51:26,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:51:26,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:51:26,781 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,782 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,794 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,823 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-09-21 12:51:26,823 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,824 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,835 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,841 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,842 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,843 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:51:26,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:51:26,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:51:26,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:51:26,856 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 21.09 12:51:26" (1/1) ... [2024-09-21 12:51:26,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:51:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:51:26,887 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) [2024-09-21 12:51:26,895 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 [2024-09-21 12:51:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:51:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:51:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:51:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:51:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-21 12:51:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:51:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:51:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:51:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:51:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:51:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:51:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:51:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:51:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:51:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-21 12:51:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:51:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-21 12:51:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-21 12:51:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:51:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-21 12:51:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-21 12:51:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 12:51:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:51:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-21 12:51:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-21 12:51:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:51:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:51:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:51:27,036 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:51:27,038 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:51:27,376 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:51:27,427 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:51:27,428 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:51:27,428 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:51:27 BoogieIcfgContainer [2024-09-21 12:51:27,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:51:27,429 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:51:27,429 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:51:27,431 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:51:27,431 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:51:26" (1/4) ... [2024-09-21 12:51:27,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f964b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:51:27, skipping insertion in model container [2024-09-21 12:51:27,433 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:26" (2/4) ... [2024-09-21 12:51:27,433 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f964b0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:51:27, skipping insertion in model container [2024-09-21 12:51:27,433 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 21.09 12:51:26" (3/4) ... [2024-09-21 12:51:27,434 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f964b0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:51:27, skipping insertion in model container [2024-09-21 12:51:27,434 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:51:27" (4/4) ... [2024-09-21 12:51:27,435 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-21 12:51:27,441 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:51:27,445 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-21 12:51:27,445 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-21 12:51:27,446 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-21 12:51:27,446 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-21 12:51:27,446 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-21 12:51:27,446 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:51:27,447 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-21 12:51:27,447 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-21 12:51:27,447 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-21 12:51:27,447 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 12:51:27,448 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-21 12:51:27,519 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 12:51:27,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:27,521 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:27,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:27,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:27,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:27,680 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-21 12:51:27,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:27,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:27,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:27,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:27,690 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:51:27,715 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-21 12:51:27,717 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:27,717 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:27,717 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:27,717 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:27,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:27,740 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-21 12:51:27,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:27,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:27,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:27,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:27,743 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:27,762 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:51:27,786 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 12:51:27,787 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:27,787 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:27,787 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:27,787 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:27,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:27,861 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-21 12:51:27,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:27,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:27,863 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:27,863 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:27,866 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:51:27,882 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-21 12:51:27,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:27,884 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:27,884 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:27,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:27,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:27,900 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-21 12:51:27,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:27,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:27,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:27,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:27,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:27,905 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:51:27,921 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-21 12:51:27,922 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:27,922 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:27,922 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:27,923 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:27,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:28,034 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-21 12:51:28,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:28,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:28,035 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:28,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:28,042 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-21 12:51:28,043 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 12:51:28,047 INFO L158 Benchmark]: Toolchain (without parser) took 1587.21ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 108.7MB in the beginning and 84.1MB in the end (delta: 24.6MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2024-09-21 12:51:28,047 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 159.4MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:51:28,048 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:51:28,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.61ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 92.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:51:28,051 INFO L158 Benchmark]: Boogie Preprocessor took 83.14ms. Allocated memory is still 159.4MB. Free memory was 92.0MB in the beginning and 89.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:51:28,052 INFO L158 Benchmark]: RCFGBuilder took 577.61ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 63.9MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-21 12:51:28,053 INFO L158 Benchmark]: Referee took 616.73ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 63.9MB in the beginning and 84.1MB in the end (delta: -20.2MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-09-21 12:51:28,057 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 0.23ms. Allocated memory is still 159.4MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.61ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 92.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.14ms. Allocated memory is still 159.4MB. Free memory was 92.0MB in the beginning and 89.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.61ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 63.9MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Referee took 616.73ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 63.9MB in the beginning and 84.1MB in the end (delta: -20.2MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:51:28,090 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+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-27b4987-m [2024-09-21 12:51:30,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:51:30,260 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:51:30,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:51:30,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:51:30,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:51:30,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:51:30,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:51:30,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:51:30,304 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:51:30,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:51:30,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:51:30,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:51:30,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:51:30,306 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:51:30,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:51:30,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:51:30,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:51:30,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:51:30,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:51:30,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:51:30,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:51:30,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:51:30,313 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:51:30,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:51:30,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:51:30,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:51:30,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:51:30,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:51:30,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:51:30,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:51:30,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:51:30,316 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:51:30,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:51:30,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:51:30,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:51:30,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:51:30,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:51:30,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:51:30,320 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:51:30,321 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:51:30,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:51:30,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:51:30,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:51:30,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:51:30,322 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:51:30,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:51:30,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:51:30,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:51:30,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:51:30,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:51:30,678 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:51:30,680 INFO L431 ainManager$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 [2024-09-21 12:51:32,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:51:32,328 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:51:32,330 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 [2024-09-21 12:51:32,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7532d0b53/0d85d743d0544de38ab8cf4cd3127494/FLAG78c86b7ab [2024-09-21 12:51:32,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7532d0b53/0d85d743d0544de38ab8cf4cd3127494 [2024-09-21 12:51:32,357 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:51:32,358 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:51:32,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-21 12:51:32,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:51:32,421 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:51:32,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:51:32,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:51:32,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:51:32,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:51:32" (1/2) ... [2024-09-21 12:51:32,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bafefaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:32, skipping insertion in model container [2024-09-21 12:51:32,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:51:32" (1/2) ... [2024-09-21 12:51:32,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a23a2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:51:32, skipping insertion in model container [2024-09-21 12:51:32,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:32" (2/2) ... [2024-09-21 12:51:32,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bafefaf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:51:32, skipping insertion in model container [2024-09-21 12:51:32,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:32" (2/2) ... [2024-09-21 12:51:32,449 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:51:32,450 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)))) [2024-09-21 12:51:32,450 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-21 12:51:32,450 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-21 12:51:32,451 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))) [2024-09-21 12:51:32,451 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-21 12:51:32,451 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)) [2024-09-21 12:51:32,451 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))) [2024-09-21 12:51:32,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:51:32,663 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] [2024-09-21 12:51:32,676 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] [2024-09-21 12:51:32,679 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] [2024-09-21 12:51:32,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:51:32,700 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:51:32,721 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] [2024-09-21 12:51:32,728 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 [2024-09-21 12:51:32,763 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 [2024-09-21 12:51:32,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:51:32,805 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:51:32,805 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:51:32 WrapperNode [2024-09-21 12:51:32,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:51:32,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:51:32,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:51:32,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:51:32,819 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,820 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,829 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,848 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]. [2024-09-21 12:51:32,848 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,848 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,867 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,874 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,876 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,877 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:51:32,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:51:32,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:51:32,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:51:32,885 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 21.09 12:51:32" (1/1) ... [2024-09-21 12:51:32,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:51:32,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:51:32,914 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) [2024-09-21 12:51:32,916 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 [2024-09-21 12:51:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:51:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:51:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:51:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:51:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-21 12:51:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:51:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:51:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:51:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:51:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:51:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:51:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:51:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:51:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:51:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-21 12:51:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-21 12:51:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-21 12:51:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-21 12:51:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-21 12:51:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-21 12:51:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:51:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-21 12:51:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-21 12:51:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-21 12:51:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-21 12:51:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-21 12:51:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-21 12:51:33,094 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:51:33,096 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:51:33,426 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:51:33,484 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:51:33,484 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:51:33,485 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:51:33 BoogieIcfgContainer [2024-09-21 12:51:33,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:51:33,485 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:51:33,485 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:51:33,486 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:51:33,487 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:51:32" (1/4) ... [2024-09-21 12:51:33,489 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@13e013fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:51:33, skipping insertion in model container [2024-09-21 12:51:33,489 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:51:32" (2/4) ... [2024-09-21 12:51:33,489 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@13e013fc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:51:33, skipping insertion in model container [2024-09-21 12:51:33,490 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 21.09 12:51:32" (3/4) ... [2024-09-21 12:51:33,490 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@13e013fc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:51:33, skipping insertion in model container [2024-09-21 12:51:33,490 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:51:33" (4/4) ... [2024-09-21 12:51:33,491 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-21 12:51:33,495 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:51:33,495 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-21 12:51:33,496 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-21 12:51:33,496 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-21 12:51:33,496 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-21 12:51:33,497 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-21 12:51:33,497 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:51:33,497 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-21 12:51:33,497 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-21 12:51:33,497 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-21 12:51:33,498 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 12:51:33,498 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-21 12:51:33,560 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 12:51:33,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:33,561 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:33,562 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:33,563 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:33,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:33,685 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-21 12:51:33,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:33,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:33,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:33,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:33,693 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:51:33,713 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-21 12:51:33,714 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:33,714 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:33,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:33,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:33,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:33,733 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-21 12:51:33,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:33,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:33,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:33,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:33,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:33,749 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:51:33,769 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 12:51:33,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:33,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:33,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:33,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:33,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:33,849 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-21 12:51:33,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:33,850 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:33,850 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:33,850 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:33,853 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:51:33,870 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-21 12:51:33,870 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:33,870 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:33,870 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:33,871 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:33,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:33,885 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-21 12:51:33,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:33,885 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:33,886 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:33,886 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:33,887 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:51:33,889 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:51:33,903 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-21 12:51:33,903 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:51:33,903 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:51:33,903 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:51:33,903 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:51:33,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:34,003 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-21 12:51:34,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:51:34,004 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:51:34,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:51:34,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:51:34,007 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-21 12:51:34,008 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 12:51:34,012 INFO L158 Benchmark]: Toolchain (without parser) took 1589.85ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 48.8MB in the beginning and 43.4MB in the end (delta: 5.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-09-21 12:51:34,012 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:51:34,012 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 79.7MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:51:34,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.17ms. Allocated memory is still 79.7MB. Free memory was 48.6MB in the beginning and 51.9MB in the end (delta: -3.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-09-21 12:51:34,013 INFO L158 Benchmark]: Boogie Preprocessor took 75.29ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 48.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 12:51:34,014 INFO L158 Benchmark]: RCFGBuilder took 602.14ms. Allocated memory is still 79.7MB. Free memory was 48.8MB in the beginning and 50.1MB in the end (delta: -1.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-09-21 12:51:34,014 INFO L158 Benchmark]: Referee took 524.74ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 50.1MB in the beginning and 43.4MB in the end (delta: 6.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-09-21 12:51:34,017 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 0.34ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 79.7MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.17ms. Allocated memory is still 79.7MB. Free memory was 48.6MB in the beginning and 51.9MB in the end (delta: -3.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.29ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 48.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 602.14ms. Allocated memory is still 79.7MB. Free memory was 48.8MB in the beginning and 50.1MB in the end (delta: -1.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Referee took 524.74ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 50.1MB in the beginning and 43.4MB in the end (delta: 6.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:51:34,043 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