./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:31:16,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:31:16,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:31:16,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:31:16,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:31:16,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:31:16,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:31:16,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:31:16,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:31:16,979 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:31:16,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:31:16,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:31:16,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:31:16,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:31:16,980 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:31:16,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:31:16,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:31:16,982 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:31:16,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:31:16,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:31:16,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:31:16,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:31:16,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:31:16,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:31:16,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:31:16,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:31:16,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:31:16,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:31:16,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:31:16,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:31:16,984 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:31:16,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:31:16,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:31:16,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:16,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:31:16,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:31:16,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:31:16,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:31:16,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:31:16,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:31:16,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:31:16,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:31:16,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:31:16,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:31:17,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:31:17,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:31:17,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:31:17,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:31:17,210 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:31:17,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 00:31:18,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:31:18,630 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:31:18,630 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 00:31:18,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b5c6dad5a/be64017b9bfb4d82878bd1f929226a17/FLAGb05464478 [2024-09-25 00:31:18,652 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b5c6dad5a/be64017b9bfb4d82878bd1f929226a17 [2024-09-25 00:31:18,654 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:31:18,656 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:31:18,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-25 00:31:18,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:31:18,704 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:31:18,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:18,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:31:18,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:31:18,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:18" (1/2) ... [2024-09-25 00:31:18,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec41daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:18, skipping insertion in model container [2024-09-25 00:31:18,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:18" (1/2) ... [2024-09-25 00:31:18,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b28218a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:18, skipping insertion in model container [2024-09-25 00:31:18,712 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" (2/2) ... [2024-09-25 00:31:18,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec41daa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:18, skipping insertion in model container [2024-09-25 00:31:18,712 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" (2/2) ... [2024-09-25 00:31:18,726 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:31:18,727 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 00:31:18,727 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-25 00:31:18,727 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-25 00:31:18,727 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-25 00:31:18,727 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-25 00:31:18,727 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 00:31:18,727 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-25 00:31:18,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:31:18,898 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+lhb-reducer.c[2334,2347] [2024-09-25 00:31:18,905 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+lhb-reducer.c[3766,3779] [2024-09-25 00:31:18,909 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+lhb-reducer.c[5193,5206] [2024-09-25 00:31:18,912 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+lhb-reducer.c[7003,7016] [2024-09-25 00:31:18,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:18,921 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:31:18,933 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+lhb-reducer.c[2334,2347] [2024-09-25 00:31:18,936 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+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-25 00:31:18,961 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+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 00:31:18,975 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+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-25 00:31:18,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:18,994 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:31:18,995 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:18 WrapperNode [2024-09-25 00:31:18,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:18,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:31:18,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:31:18,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:31:19,006 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,007 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,016 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,040 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 7, 5]. 50 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 2 writes are split as follows [0, 1, 1]. [2024-09-25 00:31:19,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:18" (1/1) ... [2024-09-25 00:31:19,041 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,055 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,058 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,059 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,064 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:31:19,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:31:19,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:31:19,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:31:19,071 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 12:31:18" (1/1) ... [2024-09-25 00:31:19,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:19,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:31:19,097 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 00:31:19,098 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 00:31:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:31:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:31:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:31:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:31:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 00:31:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:31:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:31:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:31:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:31:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:31:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:31:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:31:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:31:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:31:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 00:31:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 00:31:19,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-25 00:31:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-25 00:31:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 00:31:19,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-25 00:31:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-25 00:31:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 00:31:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:31:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-25 00:31:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-25 00:31:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:31:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:31:19,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:31:19,216 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:31:19,219 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:31:19,524 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:31:19,566 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:31:19,567 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:31:19,567 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:19 BoogieIcfgContainer [2024-09-25 00:31:19,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:31:19,568 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:31:19,569 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:31:19,569 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:31:19,569 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:31:18" (1/4) ... [2024-09-25 00:31:19,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e832372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:31:19, skipping insertion in model container [2024-09-25 00:31:19,570 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" (2/4) ... [2024-09-25 00:31:19,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e832372 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:19, skipping insertion in model container [2024-09-25 00:31:19,570 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 12:31:18" (3/4) ... [2024-09-25 00:31:19,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e832372 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:19, skipping insertion in model container [2024-09-25 00:31:19,571 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 12:31:19" (4/4) ... [2024-09-25 00:31:19,573 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 00:31:19,577 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:31:19,580 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:31:19,580 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-25 00:31:19,580 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 00:31:19,580 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 00:31:19,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 42 edges. [2024-09-25 00:31:19,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 00:31:19,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 00:31:19,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-25 00:31:19,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-25 00:31:19,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:31:19,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-25 00:31:19,582 INFO L131 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-25 00:31:19,622 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:31:19,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:19,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:19,625 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:19,627 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:19,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,652 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:31:19,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:19,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:19,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:19,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:19,667 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:31:19,693 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 00:31:19,693 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:19,693 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:19,694 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:19,694 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:19,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,716 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-25 00:31:19,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,716 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:19,716 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:19,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:19,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:19,724 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:31:19,740 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 00:31:19,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:19,742 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:19,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:19,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:19,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,761 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-25 00:31:19,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:19,762 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:19,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:19,763 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:19,765 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:31:19,779 INFO L314 BlockEncoder]: Initial Icfg 27 locations, 31 edges [2024-09-25 00:31:19,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:19,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:19,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:19,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:19,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,838 INFO L101 BaseMinimizeStates]: Removed 76 edges and 24 locations by large block encoding [2024-09-25 00:31:19,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,838 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:19,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:19,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:19,841 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 00:31:19,859 INFO L314 BlockEncoder]: Initial Icfg 36 locations, 42 edges [2024-09-25 00:31:19,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:19,860 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:19,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:19,860 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:19,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,941 INFO L101 BaseMinimizeStates]: Removed 99 edges and 32 locations by large block encoding [2024-09-25 00:31:19,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:19,941 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:19,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:19,942 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:19,951 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-25 00:31:19,951 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 00:31:19,958 INFO L158 Benchmark]: Toolchain (without parser) took 1253.45ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 88.6MB in the beginning and 68.5MB in the end (delta: 20.1MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-09-25 00:31:19,958 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 106.7MB in the end (delta: 134.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:19,958 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 146.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:19,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.22ms. Allocated memory is still 146.8MB. Free memory was 88.6MB in the beginning and 72.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:31:19,959 INFO L158 Benchmark]: Boogie Preprocessor took 70.97ms. Allocated memory is still 146.8MB. Free memory was 72.1MB in the beginning and 69.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:31:19,960 INFO L158 Benchmark]: RCFGBuilder took 501.01ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 69.0MB in the beginning and 158.7MB in the end (delta: -89.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-09-25 00:31:19,960 INFO L158 Benchmark]: Referee took 385.21ms. Allocated memory is still 203.4MB. Free memory was 158.7MB in the beginning and 68.5MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2024-09-25 00:31:19,962 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 0.15ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 106.7MB in the end (delta: 134.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 146.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.22ms. Allocated memory is still 146.8MB. Free memory was 88.6MB in the beginning and 72.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.97ms. Allocated memory is still 146.8MB. Free memory was 72.1MB in the beginning and 69.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.01ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 69.0MB in the beginning and 158.7MB in the end (delta: -89.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Referee took 385.21ms. Allocated memory is still 203.4MB. Free memory was 158.7MB in the beginning and 68.5MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:31:19,992 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+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:31:21,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:31:21,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:31:21,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:31:21,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:31:21,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:31:21,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:31:21,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:31:21,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:31:21,843 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:31:21,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:31:21,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:31:21,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:31:21,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:31:21,845 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:31:21,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:31:21,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:31:21,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:31:21,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:31:21,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:31:21,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:31:21,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:31:21,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:31:21,849 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:31:21,849 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:31:21,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:31:21,850 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:31:21,850 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:31:21,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:31:21,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:31:21,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:31:21,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:31:21,851 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:31:21,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:31:21,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:31:21,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:21,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:31:21,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:31:21,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:31:21,852 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:31:21,853 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:31:21,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:31:21,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:31:21,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:31:21,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:31:21,856 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:31:21,856 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:31:22,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:31:22,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:31:22,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:31:22,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:31:22,146 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:31:22,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 00:31:23,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:31:23,597 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:31:23,598 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 00:31:23,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a46f8d2fa/97f41ebd6c2f44949e00d3029331a2b5/FLAGd8d3116a4 [2024-09-25 00:31:23,615 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a46f8d2fa/97f41ebd6c2f44949e00d3029331a2b5 [2024-09-25 00:31:23,617 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:31:23,618 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:31:23,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-25 00:31:23,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:31:23,671 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:31:23,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:23,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:31:23,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:31:23,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:23" (1/2) ... [2024-09-25 00:31:23,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfa923c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:23, skipping insertion in model container [2024-09-25 00:31:23,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:23" (1/2) ... [2024-09-25 00:31:23,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20063246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:23, skipping insertion in model container [2024-09-25 00:31:23,683 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 12:31:23" (2/2) ... [2024-09-25 00:31:23,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfa923c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23, skipping insertion in model container [2024-09-25 00:31:23,684 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 12:31:23" (2/2) ... [2024-09-25 00:31:23,694 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:31:23,694 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-25 00:31:23,695 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-25 00:31:23,695 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-25 00:31:23,695 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-25 00:31:23,695 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 00:31:23,695 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 00:31:23,695 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-25 00:31:23,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:31:23,854 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+lhb-reducer.c[2334,2347] [2024-09-25 00:31:23,864 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+lhb-reducer.c[3766,3779] [2024-09-25 00:31:23,869 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+lhb-reducer.c[5193,5206] [2024-09-25 00:31:23,876 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+lhb-reducer.c[7003,7016] [2024-09-25 00:31:23,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:23,893 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:31:23,909 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+lhb-reducer.c[2334,2347] [2024-09-25 00:31:23,918 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+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-25 00:31:23,948 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+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 00:31:23,954 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+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-25 00:31:23,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:23,969 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:31:23,969 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23 WrapperNode [2024-09-25 00:31:23,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:23,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:31:23,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:31:23,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:31:23,981 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 12:31:23" (1/1) ... [2024-09-25 00:31:23,981 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 12:31:23" (1/1) ... [2024-09-25 00:31:23,988 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 12:31:23" (1/1) ... [2024-09-25 00:31:24,011 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 7, 5]. 50 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 2 writes are split as follows [0, 1, 1]. [2024-09-25 00:31:24,011 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 12:31:23" (1/1) ... [2024-09-25 00:31:24,011 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 12:31:23" (1/1) ... [2024-09-25 00:31:24,029 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 12:31:23" (1/1) ... [2024-09-25 00:31:24,034 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 12:31:23" (1/1) ... [2024-09-25 00:31:24,035 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 12:31:23" (1/1) ... [2024-09-25 00:31:24,036 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 12:31:23" (1/1) ... [2024-09-25 00:31:24,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:31:24,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:31:24,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:31:24,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:31:24,040 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 12:31:23" (1/1) ... [2024-09-25 00:31:24,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:24,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:31:24,070 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 00:31:24,071 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 00:31:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:31:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:31:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:31:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:31:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 00:31:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:31:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:31:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:31:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:31:24,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:31:24,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:31:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:31:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:31:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:31:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 00:31:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-25 00:31:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-25 00:31:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:31:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-25 00:31:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-25 00:31:24,195 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:31:24,196 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:31:24,465 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:31:24,507 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:31:24,508 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:31:24,508 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:24 BoogieIcfgContainer [2024-09-25 00:31:24,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:31:24,509 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:31:24,509 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:31:24,510 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:31:24,511 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:31:23" (1/4) ... [2024-09-25 00:31:24,511 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e71b2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:31:24, skipping insertion in model container [2024-09-25 00:31:24,511 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 12:31:23" (2/4) ... [2024-09-25 00:31:24,511 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e71b2ac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:24, skipping insertion in model container [2024-09-25 00:31:24,512 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 12:31:23" (3/4) ... [2024-09-25 00:31:24,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2e71b2ac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:24, skipping insertion in model container [2024-09-25 00:31:24,512 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 12:31:24" (4/4) ... [2024-09-25 00:31:24,513 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 00:31:24,517 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:31:24,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:31:24,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-25 00:31:24,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 00:31:24,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 00:31:24,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 42 edges. [2024-09-25 00:31:24,521 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 00:31:24,521 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 00:31:24,521 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-25 00:31:24,521 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-25 00:31:24,521 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:31:24,521 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-25 00:31:24,521 INFO L131 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-25 00:31:24,570 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:31:24,571 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:24,571 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:24,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:24,572 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:24,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,608 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:31:24,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,612 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:24,612 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:24,612 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:24,613 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:24,630 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:31:24,646 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 00:31:24,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:24,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:24,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:24,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:24,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,673 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-25 00:31:24,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,673 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:24,673 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:24,673 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:24,676 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:24,678 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:31:24,692 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 00:31:24,692 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:24,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:24,693 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:24,693 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:24,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,711 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-25 00:31:24,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:24,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:24,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:24,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:24,715 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:31:24,729 INFO L314 BlockEncoder]: Initial Icfg 27 locations, 31 edges [2024-09-25 00:31:24,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:24,729 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:24,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:24,729 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:24,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,795 INFO L101 BaseMinimizeStates]: Removed 76 edges and 24 locations by large block encoding [2024-09-25 00:31:24,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:24,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:24,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:24,798 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 00:31:24,809 INFO L314 BlockEncoder]: Initial Icfg 36 locations, 42 edges [2024-09-25 00:31:24,810 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:24,810 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:24,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:24,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:24,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,870 INFO L101 BaseMinimizeStates]: Removed 99 edges and 32 locations by large block encoding [2024-09-25 00:31:24,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,871 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:24,871 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:24,871 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:24,877 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-25 00:31:24,878 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 00:31:24,883 INFO L158 Benchmark]: Toolchain (without parser) took 1211.01ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 54.2MB in the beginning and 40.6MB in the end (delta: 13.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,883 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 75.5MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:24,883 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 75.5MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:24,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.57ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 37.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,884 INFO L158 Benchmark]: Boogie Preprocessor took 68.18ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 37.0MB in the beginning and 86.8MB in the end (delta: -49.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,884 INFO L158 Benchmark]: RCFGBuilder took 469.03ms. Allocated memory is still 107.0MB. Free memory was 86.8MB in the beginning and 63.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,887 INFO L158 Benchmark]: Referee took 372.75ms. Allocated memory is still 107.0MB. Free memory was 63.7MB in the beginning and 40.6MB in the end (delta: 23.1MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,890 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 1.05ms. Allocated memory is still 75.5MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 75.5MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.57ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 37.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.18ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 37.0MB in the beginning and 86.8MB in the end (delta: -49.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 469.03ms. Allocated memory is still 107.0MB. Free memory was 86.8MB in the beginning and 63.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 372.75ms. Allocated memory is still 107.0MB. Free memory was 63.7MB in the beginning and 40.6MB in the end (delta: 23.1MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:31:24,914 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