./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 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:11:27,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:11:27,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:11:27,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:11:27,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:11:27,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:11:27,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:11:27,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:11:27,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:11:27,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:11:27,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:11:27,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:11:27,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:11:27,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:11:27,762 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:11:27,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:11:27,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:11:27,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:11:27,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:11:27,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:11:27,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:11:27,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:11:27,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:11:27,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:11:27,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:11:27,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:11:27,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:11:27,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:11:27,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:11:27,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:11:27,770 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:11:27,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:11:27,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:11:27,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:11:27,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:11:27,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:11:27,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:11:27,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:11:27,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:11:27,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:11:27,773 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:11:27,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:11:27,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:11:27,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:11:28,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:11:28,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:11:28,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:11:28,066 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:11:28,067 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:11:28,068 INFO L431 ainManager$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 [2024-09-13 05:11:28,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:11:28,170 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:11:28,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:11:29,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:11:29,710 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:11:29,711 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:11:29,719 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/572148922/77a262faa71c4968bba675bfddc30ea2/FLAGf0d1ab132 [2024-09-13 05:11:29,734 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/572148922/77a262faa71c4968bba675bfddc30ea2 [2024-09-13 05:11:29,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:11:29,735 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:11:29,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:11:29,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:11:29,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:11:29,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:28" (1/2) ... [2024-09-13 05:11:29,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dffa269 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:11:29, skipping insertion in model container [2024-09-13 05:11:29,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:28" (1/2) ... [2024-09-13 05:11:29,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@583e4c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:11:29, skipping insertion in model container [2024-09-13 05:11:29,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:11:29" (2/2) ... [2024-09-13 05:11:29,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dffa269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:29, skipping insertion in model container [2024-09-13 05:11:29,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:11:29" (2/2) ... [2024-09-13 05:11:29,762 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:11:29,764 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-13 05:11:29,764 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 05:11:29,765 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((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))) [2024-09-13 05:11:29,765 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__loop_entered == 0)) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 05:11:29,765 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-13 05:11:29,765 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-13 05:11:29,765 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 05:11:29,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:11:29,966 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-13 05:11:29,979 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-13 05:11:29,985 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-13 05:11:29,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:11:30,004 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:11:30,026 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-13 05:11:30,035 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-13 05:11:30,075 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:11:30,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:11:30,110 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:11:30,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30 WrapperNode [2024-09-13 05:11:30,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:11:30,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:11:30,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:11:30,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:11:30,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,151 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]. [2024-09-13 05:11:30,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:11:30,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:11:30,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:11:30,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:11:30,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (1/1) ... [2024-09-13 05:11:30,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:11:30,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:11:30,208 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) [2024-09-13 05:11:30,210 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 [2024-09-13 05:11:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:11:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:11:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:11:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:11:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-13 05:11:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:11:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:11:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:11:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:11:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:11:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:11:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:11:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:11:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:11:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-13 05:11:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:11:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 05:11:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-13 05:11:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:11:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 05:11:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-13 05:11:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:11:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:11:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 05:11:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-13 05:11:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:11:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:11:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:11:30,321 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:11:30,323 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:11:30,710 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:11:30,775 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:11:30,775 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:11:30,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:11:30 BoogieIcfgContainer [2024-09-13 05:11:30,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:11:30,776 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:11:30,776 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:11:30,777 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:11:30,777 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:28" (1/4) ... [2024-09-13 05:11:30,778 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@666b730c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:11:30, skipping insertion in model container [2024-09-13 05:11:30,778 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:11:29" (2/4) ... [2024-09-13 05:11:30,778 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@666b730c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:11:30, skipping insertion in model container [2024-09-13 05:11:30,778 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:30" (3/4) ... [2024-09-13 05:11:30,779 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@666b730c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:11:30, skipping insertion in model container [2024-09-13 05:11:30,779 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:11:30" (4/4) ... [2024-09-13 05:11:30,780 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:11:30,784 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:11:30,784 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-13 05:11:30,785 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-13 05:11:30,785 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-13 05:11:30,785 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 05:11:30,786 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-13 05:11:30,786 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:11:30,786 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:11:30,787 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-13 05:11:30,787 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-13 05:11:30,787 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 05:11:30,787 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-13 05:11:30,835 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-13 05:11:30,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:30,837 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:30,837 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:30,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:30,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:30,923 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-13 05:11:30,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:30,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:30,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:30,925 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:30,929 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:11:30,954 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-13 05:11:30,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:30,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:30,955 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:30,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:30,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:30,976 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-13 05:11:30,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:30,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:30,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:30,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:30,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:11:31,002 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:11:31,023 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-13 05:11:31,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:31,024 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:31,024 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:31,024 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:31,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:31,085 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-13 05:11:31,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:31,085 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:31,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:31,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:31,088 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:11:31,107 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-13 05:11:31,130 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:31,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:31,131 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:31,131 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:31,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:31,162 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-13 05:11:31,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:31,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:31,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:31,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:31,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:11:31,168 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:11:31,184 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-13 05:11:31,185 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:31,185 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:31,185 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:31,186 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:31,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:31,296 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-13 05:11:31,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:31,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:31,297 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:31,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:31,304 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-13 05:11:31,305 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) [2024-09-13 05:11:31,309 INFO L158 Benchmark]: Toolchain (without parser) took 1573.12ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 77.3MB in the end (delta: 5.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-09-13 05:11:31,310 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:31,310 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:31,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.16ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 66.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:11:31,314 INFO L158 Benchmark]: Boogie Preprocessor took 64.02ms. Allocated memory is still 155.2MB. Free memory was 66.7MB in the beginning and 64.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:11:31,314 INFO L158 Benchmark]: RCFGBuilder took 599.46ms. Allocated memory is still 155.2MB. Free memory was 64.0MB in the beginning and 108.6MB in the end (delta: -44.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-13 05:11:31,315 INFO L158 Benchmark]: Referee took 531.54ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 77.3MB in the end (delta: 31.3MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-09-13 05:11:31,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.16ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 66.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.02ms. Allocated memory is still 155.2MB. Free memory was 66.7MB in the beginning and 64.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 599.46ms. Allocated memory is still 155.2MB. Free memory was 64.0MB in the beginning and 108.6MB in the end (delta: -44.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 531.54ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 77.3MB in the end (delta: 31.3MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:11:31,348 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:11:33,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:11:33,591 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:11:33,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:11:33,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:11:33,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:11:33,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:11:33,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:11:33,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:11:33,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:11:33,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:11:33,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:11:33,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:11:33,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:11:33,626 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:11:33,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:11:33,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:11:33,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:11:33,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:11:33,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:11:33,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:11:33,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:11:33,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:11:33,631 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:11:33,632 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:11:33,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:11:33,632 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:11:33,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:11:33,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:11:33,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:11:33,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:11:33,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:11:33,638 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:11:33,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:11:33,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:11:33,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:11:33,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:11:33,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:11:33,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:11:33,641 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:11:33,641 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:11:33,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:11:33,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:11:33,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:11:33,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:11:33,643 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:11:33,643 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:11:33,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:11:33,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:11:33,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:11:33,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:11:33,983 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:11:33,985 INFO L431 ainManager$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 [2024-09-13 05:11:35,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:11:35,752 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:11:35,755 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 [2024-09-13 05:11:35,767 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5cc1be71e/b527bdef6cc545ae8ab84c736e33b58c/FLAG22fea3ee5 [2024-09-13 05:11:35,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5cc1be71e/b527bdef6cc545ae8ab84c736e33b58c [2024-09-13 05:11:35,787 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:11:35,788 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:11:35,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-13 05:11:35,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:11:35,854 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:11:35,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:11:35,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:11:35,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:11:35,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:11:35" (1/2) ... [2024-09-13 05:11:35,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716472fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:35, skipping insertion in model container [2024-09-13 05:11:35,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:11:35" (1/2) ... [2024-09-13 05:11:35,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6743f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:35, skipping insertion in model container [2024-09-13 05:11:35,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:35" (2/2) ... [2024-09-13 05:11:35,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716472fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:11:35, skipping insertion in model container [2024-09-13 05:11:35,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:35" (2/2) ... [2024-09-13 05:11:35,882 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:11:35,884 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((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))) [2024-09-13 05:11:35,885 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-13 05:11:35,885 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 05:11:35,885 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 05:11:35,885 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-13 05:11:35,885 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-13 05:11:35,885 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__loop_entered == 0)) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 05:11:35,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:11:36,096 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-13 05:11:36,111 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-13 05:11:36,116 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-13 05:11:36,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:11:36,138 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:11:36,157 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-13 05:11:36,163 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-13 05:11:36,201 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:11:36,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:11:36,241 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:11:36,242 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:11:36 WrapperNode [2024-09-13 05:11:36,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:11:36,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:11:36,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:11:36,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:11:36,256 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,256 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,266 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,292 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]. [2024-09-13 05:11:36,293 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,293 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,306 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,308 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,310 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,311 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:11:36,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:11:36,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:11:36,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:11:36,320 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 13.09 05:11:36" (1/1) ... [2024-09-13 05:11:36,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:11:36,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:11:36,352 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) [2024-09-13 05:11:36,354 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 [2024-09-13 05:11:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:11:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:11:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:11:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:11:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-13 05:11:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:11:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:11:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:11:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:11:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:11:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:11:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:11:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:11:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:11:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-13 05:11:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-13 05:11:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-13 05:11:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-13 05:11:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-13 05:11:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-13 05:11:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-13 05:11:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:11:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-13 05:11:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-13 05:11:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-13 05:11:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:11:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:11:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:11:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-13 05:11:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-13 05:11:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:11:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:11:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-13 05:11:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-13 05:11:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:11:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-13 05:11:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-13 05:11:36,537 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:11:36,539 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:11:36,894 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:11:36,956 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:11:36,959 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:11:36,959 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:11:36 BoogieIcfgContainer [2024-09-13 05:11:36,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:11:36,960 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:11:36,960 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:11:36,961 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:11:36,961 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:11:35" (1/4) ... [2024-09-13 05:11:36,962 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26098490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:11:36, skipping insertion in model container [2024-09-13 05:11:36,962 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:35" (2/4) ... [2024-09-13 05:11:36,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26098490 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:11:36, skipping insertion in model container [2024-09-13 05:11:36,963 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 13.09 05:11:36" (3/4) ... [2024-09-13 05:11:36,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26098490 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:11:36, skipping insertion in model container [2024-09-13 05:11:36,963 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:11:36" (4/4) ... [2024-09-13 05:11:36,964 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-13 05:11:36,967 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:11:36,968 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-13 05:11:36,968 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-13 05:11:36,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-13 05:11:36,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 05:11:36,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-13 05:11:36,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:11:36,970 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:11:36,970 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-13 05:11:36,970 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-13 05:11:36,971 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 05:11:36,971 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-13 05:11:37,045 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-13 05:11:37,046 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:37,046 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:37,046 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:37,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:37,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,142 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-13 05:11:37,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,143 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:37,143 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:37,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:37,148 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:11:37,168 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-13 05:11:37,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:37,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:37,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:37,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:37,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,184 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-13 05:11:37,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,184 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:37,184 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:37,184 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:37,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:11:37,200 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:11:37,223 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-13 05:11:37,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:37,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:37,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:37,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:37,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,293 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-13 05:11:37,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:37,294 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:37,294 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:37,296 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-13 05:11:37,311 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-13 05:11:37,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:37,313 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:37,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:37,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:37,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,328 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-13 05:11:37,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:37,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:37,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:37,330 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:11:37,332 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:11:37,344 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-13 05:11:37,344 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:37,344 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:37,344 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:37,344 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:37,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,449 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-13 05:11:37,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:37,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:37,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:37,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:37,454 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-13 05:11:37,455 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) [2024-09-13 05:11:37,459 INFO L158 Benchmark]: Toolchain (without parser) took 1604.51ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 32.8MB in the beginning and 67.9MB in the end (delta: -35.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-13 05:11:37,462 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 46.1MB. Free memory was 21.2MB in the beginning and 21.2MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:37,462 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:37,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.64ms. Allocated memory is still 62.9MB. Free memory was 32.5MB in the beginning and 31.9MB in the end (delta: 636.8kB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-09-13 05:11:37,464 INFO L158 Benchmark]: Boogie Preprocessor took 72.19ms. Allocated memory is still 62.9MB. Free memory was 31.9MB in the beginning and 28.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:11:37,465 INFO L158 Benchmark]: RCFGBuilder took 644.18ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 28.8MB in the beginning and 41.1MB in the end (delta: -12.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-09-13 05:11:37,466 INFO L158 Benchmark]: Referee took 497.21ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 41.1MB in the beginning and 67.9MB in the end (delta: -26.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-13 05:11:37,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 46.1MB. Free memory was 21.2MB in the beginning and 21.2MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.64ms. Allocated memory is still 62.9MB. Free memory was 32.5MB in the beginning and 31.9MB in the end (delta: 636.8kB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.19ms. Allocated memory is still 62.9MB. Free memory was 31.9MB in the beginning and 28.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 644.18ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 28.8MB in the beginning and 41.1MB in the end (delta: -12.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Referee took 497.21ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 41.1MB in the beginning and 67.9MB in the end (delta: -26.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:11:37,506 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