./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 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-6908dde-m [2024-09-25 00:31:17,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:31:17,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:31:17,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:31:17,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:31:17,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:31:17,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:31:17,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:31:17,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:31:17,717 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:31:17,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:31:17,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:31:17,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:31:17,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:31:17,720 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:31:17,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:31:17,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:31:17,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:31:17,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:31:17,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:31:17,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:31:17,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:31:17,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:31:17,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:31:17,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:31:17,725 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:31:17,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:31:17,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:31:17,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:31:17,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:31:17,727 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:31:17,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:31:17,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:31:17,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:17,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:31:17,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:31:17,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:31:17,729 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:31:17,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:31:17,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:31:17,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:31:17,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:31:17,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:31:17,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:31:17,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:31:18,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:31:18,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:31:18,010 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:31:18,011 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:31:18,012 INFO L431 ainManager$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 [2024-09-25 00:31:18,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:31:18,070 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:31:18,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 00:31:19,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:31:19,705 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:31:19,707 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 00:31:19,714 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f1c6fb928/74510cd8604d44bcac1e7fc626ad7da5/FLAG877477c6b [2024-09-25 00:31:20,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f1c6fb928/74510cd8604d44bcac1e7fc626ad7da5 [2024-09-25 00:31:20,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:31:20,096 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:31:20,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:20,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:31:20,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:31:20,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:18" (1/2) ... [2024-09-25 00:31:20,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b1244f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:20, skipping insertion in model container [2024-09-25 00:31:20,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:18" (1/2) ... [2024-09-25 00:31:20,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a0bf129 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:20, skipping insertion in model container [2024-09-25 00:31:20,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:20" (2/2) ... [2024-09-25 00:31:20,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b1244f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20, skipping insertion in model container [2024-09-25 00:31:20,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:20" (2/2) ... [2024-09-25 00:31:20,128 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:31:20,129 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)) [2024-09-25 00:31:20,129 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)))) [2024-09-25 00:31:20,132 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))) [2024-09-25 00:31:20,133 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-25 00:31:20,133 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-25 00:31:20,133 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))) [2024-09-25 00:31:20,133 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-25 00:31:20,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:31:20,358 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] [2024-09-25 00:31:20,372 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] [2024-09-25 00:31:20,377 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] [2024-09-25 00:31:20,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:20,396 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:31:20,415 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] [2024-09-25 00:31:20,422 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 [2024-09-25 00:31:20,458 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 [2024-09-25 00:31:20,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:20,502 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:31:20,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20 WrapperNode [2024-09-25 00:31:20,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:20,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:31:20,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:31:20,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:31:20,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,526 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,558 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]. [2024-09-25 00:31:20,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:31:20,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:31:20,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:31:20,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:31:20,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (1/1) ... [2024-09-25 00:31:20,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:20,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:31:20,620 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) [2024-09-25 00:31:20,622 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 [2024-09-25 00:31:20,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:31:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:31:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:31:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:31:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 00:31:20,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:31:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:31:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:31:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:31:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:31:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:31:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:31:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:31:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:31:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 00:31:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 00:31:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-25 00:31:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-25 00:31:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 00:31:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-25 00:31:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-25 00:31:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 00:31:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:31:20,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-25 00:31:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-25 00:31:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:31:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:31:20,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:31:20,763 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:31:20,766 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:31:21,102 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:31:21,167 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:31:21,167 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:31:21,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:21 BoogieIcfgContainer [2024-09-25 00:31:21,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:31:21,169 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:31:21,169 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:31:21,170 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:31:21,170 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:18" (1/4) ... [2024-09-25 00:31:21,170 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60b2027 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:21, skipping insertion in model container [2024-09-25 00:31:21,171 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:31:20" (2/4) ... [2024-09-25 00:31:21,171 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60b2027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:31:21, skipping insertion in model container [2024-09-25 00:31:21,171 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:20" (3/4) ... [2024-09-25 00:31:21,171 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@60b2027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:31:21, skipping insertion in model container [2024-09-25 00:31:21,171 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:21" (4/4) ... [2024-09-25 00:31:21,174 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 00:31:21,177 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:31:21,178 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-25 00:31:21,178 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-25 00:31:21,178 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-25 00:31:21,178 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-25 00:31:21,178 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-25 00:31:21,179 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:31:21,179 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-25 00:31:21,179 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-25 00:31:21,179 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-25 00:31:21,179 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-25 00:31:21,180 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-25 00:31:21,233 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-25 00:31:21,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:21,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:21,235 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:21,237 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:21,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,358 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-25 00:31:21,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,360 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:21,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:21,361 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:21,367 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 00:31:21,414 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-25 00:31:21,414 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:21,414 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:21,415 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:21,415 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:21,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,444 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-25 00:31:21,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,445 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:21,445 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:21,446 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:21,447 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:21,465 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:31:21,487 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-25 00:31:21,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:21,488 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:21,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:21,488 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:21,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,562 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-25 00:31:21,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:21,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:21,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:21,566 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 00:31:21,582 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-25 00:31:21,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:21,583 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:21,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:21,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:21,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,597 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-25 00:31:21,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:21,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:21,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:21,598 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:21,600 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:31:21,617 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-25 00:31:21,617 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:21,617 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:21,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:21,618 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:21,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,736 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-25 00:31:21,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:21,736 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:21,737 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:21,737 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:21,743 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-25 00:31:21,743 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) [2024-09-25 00:31:21,748 INFO L158 Benchmark]: Toolchain (without parser) took 1651.63ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 57.6MB in the end (delta: 57.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-09-25 00:31:21,748 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 172.0MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:21,749 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:21,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.54ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 99.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:31:21,751 INFO L158 Benchmark]: Boogie Preprocessor took 83.61ms. Allocated memory is still 172.0MB. Free memory was 99.1MB in the beginning and 96.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:31:21,752 INFO L158 Benchmark]: RCFGBuilder took 580.15ms. Allocated memory is still 172.0MB. Free memory was 96.4MB in the beginning and 70.5MB in the end (delta: 25.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-25 00:31:21,752 INFO L158 Benchmark]: Referee took 577.71ms. Allocated memory is still 172.0MB. Free memory was 70.5MB in the beginning and 57.6MB in the end (delta: 13.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-09-25 00:31:21,755 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 0.22ms. Allocated memory is still 172.0MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.54ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 99.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.61ms. Allocated memory is still 172.0MB. Free memory was 99.1MB in the beginning and 96.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.15ms. Allocated memory is still 172.0MB. Free memory was 96.4MB in the beginning and 70.5MB in the end (delta: 25.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Referee took 577.71ms. Allocated memory is still 172.0MB. Free memory was 70.5MB in the beginning and 57.6MB in the end (delta: 13.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:31:21,784 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/11.0.12-open/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-6908dde-m [2024-09-25 00:31:24,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:31:24,086 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:31:24,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:31:24,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:31:24,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:31:24,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:31:24,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:31:24,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:31:24,121 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:31:24,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:31:24,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:31:24,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:31:24,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:31:24,124 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:31:24,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:31:24,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:31:24,127 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:31:24,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:31:24,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:31:24,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:31:24,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:31:24,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:31:24,131 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:31:24,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:31:24,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:31:24,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:31:24,132 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:31:24,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:31:24,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:31:24,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:31:24,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:31:24,133 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:31:24,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:31:24,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:31:24,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:24,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:31:24,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:31:24,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:31:24,137 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:31:24,137 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:31:24,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:31:24,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:31:24,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:31:24,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:31:24,139 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:31:24,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:31:24,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:31:24,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:31:24,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:31:24,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:31:24,456 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:31:24,458 INFO L431 ainManager$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 [2024-09-25 00:31:26,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:31:26,250 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:31:26,250 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 [2024-09-25 00:31:26,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9e4867b52/6e7438009cbc48d0a2a5a2f224a0837a/FLAG647c9e15f [2024-09-25 00:31:26,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9e4867b52/6e7438009cbc48d0a2a5a2f224a0837a [2024-09-25 00:31:26,271 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:31:26,272 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:31:26,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-25 00:31:26,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:31:26,325 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:31:26,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:26,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:31:26,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:31:26,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:26" (1/2) ... [2024-09-25 00:31:26,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1fc7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:26, skipping insertion in model container [2024-09-25 00:31:26,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:26" (1/2) ... [2024-09-25 00:31:26,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d2300dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:26, skipping insertion in model container [2024-09-25 00:31:26,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:26" (2/2) ... [2024-09-25 00:31:26,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1fc7f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:26, skipping insertion in model container [2024-09-25 00:31:26,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:26" (2/2) ... [2024-09-25 00:31:26,355 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:31:26,356 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))) [2024-09-25 00:31:26,356 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-25 00:31:26,356 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-25 00:31:26,356 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-25 00:31:26,356 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))) [2024-09-25 00:31:26,356 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)) [2024-09-25 00:31:26,357 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)))) [2024-09-25 00:31:26,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:31:26,580 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] [2024-09-25 00:31:26,593 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] [2024-09-25 00:31:26,598 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-25 00:31:26,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:26,620 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:31:26,642 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] [2024-09-25 00:31:26,648 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 [2024-09-25 00:31:26,699 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 [2024-09-25 00:31:26,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:26,738 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:31:26,739 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:26 WrapperNode [2024-09-25 00:31:26,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:26,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:31:26,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:31:26,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:31:26,753 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,754 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,763 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,785 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]. [2024-09-25 00:31:26,786 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,786 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,799 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,804 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,809 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,810 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:31:26,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:31:26,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:31:26,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:31:26,818 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 25.09 12:31:26" (1/1) ... [2024-09-25 00:31:26,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:26,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:31:26,848 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) [2024-09-25 00:31:26,851 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 [2024-09-25 00:31:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:31:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:31:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:31:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:31:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 00:31:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:31:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:31:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:31:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:31:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:31:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:31:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:31:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:31:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:31:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 00:31:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-25 00:31:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-25 00:31:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-25 00:31:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-25 00:31:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-25 00:31:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-25 00:31:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 00:31:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-25 00:31:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-25 00:31:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-25 00:31:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:31:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:31:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-25 00:31:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-25 00:31:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-25 00:31:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:31:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-25 00:31:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-25 00:31:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-25 00:31:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-25 00:31:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-25 00:31:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-25 00:31:27,007 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:31:27,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:31:27,318 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:31:27,372 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:31:27,372 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:31:27,372 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:27 BoogieIcfgContainer [2024-09-25 00:31:27,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:31:27,373 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:31:27,373 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:31:27,374 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:31:27,374 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:31:26" (1/4) ... [2024-09-25 00:31:27,378 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1802bd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:31:27, skipping insertion in model container [2024-09-25 00:31:27,378 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:31:26" (2/4) ... [2024-09-25 00:31:27,378 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1802bd54 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:27, skipping insertion in model container [2024-09-25 00:31:27,378 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 25.09 12:31:26" (3/4) ... [2024-09-25 00:31:27,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1802bd54 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:27, skipping insertion in model container [2024-09-25 00:31:27,379 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:27" (4/4) ... [2024-09-25 00:31:27,380 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 00:31:27,383 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:31:27,384 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-25 00:31:27,384 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-25 00:31:27,384 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-25 00:31:27,385 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-25 00:31:27,385 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-25 00:31:27,385 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:31:27,385 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-25 00:31:27,386 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-25 00:31:27,387 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-25 00:31:27,387 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-25 00:31:27,388 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-25 00:31:27,451 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-25 00:31:27,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:27,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:27,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:27,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:27,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,587 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-25 00:31:27,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:27,588 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:27,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:27,593 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 00:31:27,611 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-25 00:31:27,611 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:27,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:27,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:27,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:27,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,627 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-25 00:31:27,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:27,628 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:27,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:27,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:27,646 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:31:27,660 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-25 00:31:27,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:27,661 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:27,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:27,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:27,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,716 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-25 00:31:27,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:27,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:27,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:27,719 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 00:31:27,730 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-25 00:31:27,730 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:27,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:27,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:27,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:27,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,742 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-25 00:31:27,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,743 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:27,743 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:27,743 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:27,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:27,745 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:31:27,770 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-25 00:31:27,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:27,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:27,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:27,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:27,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,874 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-25 00:31:27,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:27,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:27,875 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:27,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:27,878 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-25 00:31:27,879 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) [2024-09-25 00:31:27,883 INFO L158 Benchmark]: Toolchain (without parser) took 1557.07ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 37.7MB in the beginning and 43.1MB in the end (delta: -5.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-09-25 00:31:27,883 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 50.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:27,883 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:27,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.75ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 42.6MB in the end (delta: -5.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-09-25 00:31:27,884 INFO L158 Benchmark]: Boogie Preprocessor took 75.17ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 39.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:31:27,884 INFO L158 Benchmark]: RCFGBuilder took 556.12ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-09-25 00:31:27,885 INFO L158 Benchmark]: Referee took 508.10ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 37.6MB in the beginning and 43.1MB in the end (delta: -5.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-09-25 00:31:27,888 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 0.27ms. Allocated memory is still 50.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.75ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 42.6MB in the end (delta: -5.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.17ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 39.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 556.12ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Referee took 508.10ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 37.6MB in the beginning and 43.1MB in the end (delta: -5.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:31:27,919 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