./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 a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:52:12,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:52:12,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:52:12,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:52:12,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:52:13,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:52:13,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:52:13,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:52:13,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:52:13,010 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:52:13,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:52:13,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:52:13,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:52:13,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:52:13,015 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:52:13,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:52:13,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:52:13,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:52:13,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:52:13,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:52:13,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:52:13,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:52:13,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:52:13,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:52:13,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:52:13,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:52:13,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:52:13,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:52:13,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:52:13,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:52:13,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:52:13,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:52:13,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:52:13,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:52:13,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:52:13,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:52:13,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:52:13,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:52:13,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:52:13,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:52:13,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:52:13,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:52:13,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:52:13,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:52:13,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:52:13,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:52:13,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:52:13,240 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:52:13,241 INFO L431 ainManager$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 [2024-09-12 16:52:14,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:52:14,602 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:52:14,604 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 [2024-09-12 16:52:14,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8f42dd384/952b38f223ad44cdb918e2a4f0bb63fb/FLAG12b488159 [2024-09-12 16:52:14,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8f42dd384/952b38f223ad44cdb918e2a4f0bb63fb [2024-09-12 16:52:14,631 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:52:14,632 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:52:14,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-12 16:52:14,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:52:14,684 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:52:14,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:52:14,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:52:14,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:52:14,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:52:14" (1/2) ... [2024-09-12 16:52:14,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7bee6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:52:14, skipping insertion in model container [2024-09-12 16:52:14,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:52:14" (1/2) ... [2024-09-12 16:52:14,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@369361f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:52:14, skipping insertion in model container [2024-09-12 16:52:14,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:52:14" (2/2) ... [2024-09-12 16:52:14,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7bee6e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:52:14, skipping insertion in model container [2024-09-12 16:52:14,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:52:14" (2/2) ... [2024-09-12 16:52:14,702 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:52:14,704 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-12 16:52:14,704 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-12 16:52:14,704 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-12 16:52:14,705 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-12 16:52:14,705 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-12 16:52:14,705 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__loop_entered == 0)) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-12 16:52:14,705 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-12 16:52:14,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:52:14,872 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-12 16:52:14,885 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-12 16:52:14,888 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-12 16:52:14,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:52:14,898 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:52:14,915 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-12 16:52:14,919 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-12 16:52:14,949 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:52:14,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:52:14,982 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:52:14,983 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:52:14 WrapperNode [2024-09-12 16:52:14,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:52:14,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:52:14,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:52:14,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:52:14,994 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:14,994 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,000 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,014 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]. [2024-09-12 16:52:15,014 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,014 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,024 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,029 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,031 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,032 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:52:15,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:52:15,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:52:15,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:52:15,037 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 12.09 04:52:14" (1/1) ... [2024-09-12 16:52:15,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:52:15,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:52:15,061 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) [2024-09-12 16:52:15,063 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 [2024-09-12 16:52:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:52:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:52:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:52:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:52:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-12 16:52:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:52:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:52:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:52:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:52:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:52:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:52:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:52:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:52:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:52:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-12 16:52:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:52:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:52:15,214 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:52:15,216 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:52:15,521 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-12 16:52:15,521 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:52:15,563 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:52:15,564 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:52:15,564 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:52:15 BoogieIcfgContainer [2024-09-12 16:52:15,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:52:15,565 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:52:15,565 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:52:15,566 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:52:15,566 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:52:14" (1/4) ... [2024-09-12 16:52:15,566 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@133b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:52:15, skipping insertion in model container [2024-09-12 16:52:15,567 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:52:14" (2/4) ... [2024-09-12 16:52:15,567 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@133b9a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:52:15, skipping insertion in model container [2024-09-12 16:52:15,567 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 12.09 04:52:14" (3/4) ... [2024-09-12 16:52:15,567 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@133b9a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:52:15, skipping insertion in model container [2024-09-12 16:52:15,567 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:52:15" (4/4) ... [2024-09-12 16:52:15,568 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-12 16:52:15,571 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:52:15,572 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 16:52:15,572 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-12 16:52:15,573 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 16:52:15,573 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:52:15,573 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-12 16:52:15,573 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:52:15,574 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 16:52:15,575 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-12 16:52:15,576 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-12 16:52:15,576 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 16:52:15,576 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-12 16:52:15,626 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 16:52:15,627 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:15,628 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:15,628 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:15,629 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:15,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,693 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-12 16:52:15,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:15,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:15,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:15,699 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:52:15,724 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 16:52:15,725 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:15,725 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:15,725 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:15,726 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:15,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,743 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-12 16:52:15,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:15,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:15,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:15,746 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:52:15,760 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:52:15,780 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 16:52:15,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:15,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:15,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:15,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:15,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,823 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-12 16:52:15,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,824 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:15,824 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:15,824 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:15,826 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:52:15,842 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 16:52:15,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:15,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:15,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:15,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:15,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,856 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-12 16:52:15,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,857 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:15,857 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:15,857 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:15,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:52:15,860 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:52:15,876 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-12 16:52:15,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:15,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:15,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:15,878 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:15,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,954 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-12 16:52:15,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:15,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:15,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:15,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:15,958 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:52:15,960 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:52:15,964 INFO L158 Benchmark]: Toolchain (without parser) took 1279.49ms. Allocated memory was 151.0MB in the beginning and 247.5MB in the end (delta: 96.5MB). Free memory was 75.3MB in the beginning and 107.4MB in the end (delta: -32.1MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-09-12 16:52:15,964 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:52:15,964 INFO L158 Benchmark]: Witness Parser took 0.94ms. Allocated memory is still 151.0MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:52:15,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.90ms. Allocated memory is still 151.0MB. Free memory was 75.0MB in the beginning and 58.7MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:52:15,965 INFO L158 Benchmark]: Boogie Preprocessor took 51.83ms. Allocated memory is still 151.0MB. Free memory was 58.7MB in the beginning and 55.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 16:52:15,967 INFO L158 Benchmark]: RCFGBuilder took 528.42ms. Allocated memory was 151.0MB in the beginning and 247.5MB in the end (delta: 96.5MB). Free memory was 55.9MB in the beginning and 192.3MB in the end (delta: -136.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-09-12 16:52:15,968 INFO L158 Benchmark]: Referee took 397.42ms. Allocated memory is still 247.5MB. Free memory was 192.3MB in the beginning and 107.4MB in the end (delta: 84.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-09-12 16:52:15,970 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 151.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.94ms. Allocated memory is still 151.0MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.90ms. Allocated memory is still 151.0MB. Free memory was 75.0MB in the beginning and 58.7MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.83ms. Allocated memory is still 151.0MB. Free memory was 58.7MB in the beginning and 55.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 528.42ms. Allocated memory was 151.0MB in the beginning and 247.5MB in the end (delta: 96.5MB). Free memory was 55.9MB in the beginning and 192.3MB in the end (delta: -136.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Referee took 397.42ms. Allocated memory is still 247.5MB. Free memory was 192.3MB in the beginning and 107.4MB in the end (delta: 84.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:52:15,995 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:52:17,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:52:17,801 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:52:17,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:52:17,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:52:17,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:52:17,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:52:17,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:52:17,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:52:17,824 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:52:17,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:52:17,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:52:17,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:52:17,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:52:17,825 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:52:17,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:52:17,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:52:17,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:52:17,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:52:17,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:52:17,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:52:17,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:52:17,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:52:17,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:52:17,829 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:52:17,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:52:17,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:52:17,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:52:17,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:52:17,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:52:17,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:52:17,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:52:17,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:52:17,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:52:17,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:52:17,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:52:17,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:52:17,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:52:17,832 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:52:17,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:52:17,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:52:17,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:52:17,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:52:17,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:52:17,833 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:52:17,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:52:18,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:52:18,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:52:18,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:52:18,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:52:18,112 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:52:18,113 INFO L431 ainManager$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 [2024-09-12 16:52:19,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:52:19,486 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:52:19,487 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 [2024-09-12 16:52:19,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b3f8a069a/11bfb8f200e1477bb05fb337d2ec03fe/FLAGe14e1adbc [2024-09-12 16:52:19,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b3f8a069a/11bfb8f200e1477bb05fb337d2ec03fe [2024-09-12 16:52:19,506 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:52:19,506 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:52:19,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-12 16:52:19,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:52:19,556 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:52:19,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:52:19,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:52:19,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:52:19,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:52:19" (1/2) ... [2024-09-12 16:52:19,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afa1830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:52:19, skipping insertion in model container [2024-09-12 16:52:19,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:52:19" (1/2) ... [2024-09-12 16:52:19,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58de312a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:52:19, skipping insertion in model container [2024-09-12 16:52:19,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:52:19" (2/2) ... [2024-09-12 16:52:19,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afa1830 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:52:19, skipping insertion in model container [2024-09-12 16:52:19,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:52:19" (2/2) ... [2024-09-12 16:52:19,577 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:52:19,579 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-12 16:52:19,579 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-12 16:52:19,579 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-12 16:52:19,579 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__loop_entered == 0)) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-12 16:52:19,579 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-12 16:52:19,579 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-12 16:52:19,579 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-12 16:52:19,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:52:19,747 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-12 16:52:19,753 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-12 16:52:19,758 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-12 16:52:19,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:52:19,774 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:52:19,789 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-12 16:52:19,794 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-12 16:52:19,824 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:52:19,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:52:19,856 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:52:19,857 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:52:19 WrapperNode [2024-09-12 16:52:19,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:52:19,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:52:19,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:52:19,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:52:19,867 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,867 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,876 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,894 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]. [2024-09-12 16:52:19,894 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,895 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,907 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,912 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,913 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,917 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:52:19,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:52:19,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:52:19,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:52:19,923 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 12.09 04:52:19" (1/1) ... [2024-09-12 16:52:19,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:52:19,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:52:19,947 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) [2024-09-12 16:52:19,949 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 [2024-09-12 16:52:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:52:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:52:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:52:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:52:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-12 16:52:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:52:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:52:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:52:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:52:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:52:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:52:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:52:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:52:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:52:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-12 16:52:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-12 16:52:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-12 16:52:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-12 16:52:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-12 16:52:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-12 16:52:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-12 16:52:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-12 16:52:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-12 16:52:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-12 16:52:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-12 16:52:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:52:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:52:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-12 16:52:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-12 16:52:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-12 16:52:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:52:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-12 16:52:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-12 16:52:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-12 16:52:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-12 16:52:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-12 16:52:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-12 16:52:20,084 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:52:20,086 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:52:20,343 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-12 16:52:20,343 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:52:20,403 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:52:20,403 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:52:20,403 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:52:20 BoogieIcfgContainer [2024-09-12 16:52:20,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:52:20,404 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:52:20,404 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:52:20,405 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:52:20,405 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:52:19" (1/4) ... [2024-09-12 16:52:20,406 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19a4cab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:52:20, skipping insertion in model container [2024-09-12 16:52:20,406 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:52:19" (2/4) ... [2024-09-12 16:52:20,406 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19a4cab6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:52:20, skipping insertion in model container [2024-09-12 16:52:20,406 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 12.09 04:52:19" (3/4) ... [2024-09-12 16:52:20,407 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19a4cab6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:52:20, skipping insertion in model container [2024-09-12 16:52:20,407 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:52:20" (4/4) ... [2024-09-12 16:52:20,408 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-12 16:52:20,411 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:52:20,412 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 16:52:20,412 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-12 16:52:20,412 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 16:52:20,412 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:52:20,412 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-12 16:52:20,413 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:52:20,413 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 16:52:20,413 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-12 16:52:20,413 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-12 16:52:20,413 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 16:52:20,414 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from procedure entry to error location [2024-09-12 16:52:20,467 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 16:52:20,467 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:20,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:20,469 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:20,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:20,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,548 INFO L101 BaseMinimizeStates]: Removed 74 edges and 23 locations by large block encoding [2024-09-12 16:52:20,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,549 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:20,549 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:20,550 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:20,553 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:52:20,580 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 16:52:20,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:20,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:20,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:20,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:20,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,597 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-12 16:52:20,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:20,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:20,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:20,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:52:20,612 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:52:20,631 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 16:52:20,632 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:20,632 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:20,632 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:20,632 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:20,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,667 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-12 16:52:20,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,667 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:20,667 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:20,667 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:20,668 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 16:52:20,685 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-12 16:52:20,686 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:20,686 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:20,686 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:20,686 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:20,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,697 INFO L101 BaseMinimizeStates]: Removed 35 edges and 13 locations by large block encoding [2024-09-12 16:52:20,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,698 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:20,698 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:20,699 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:20,699 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:52:20,701 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:52:20,715 INFO L314 BlockEncoder]: Initial Icfg 32 locations, 38 edges [2024-09-12 16:52:20,715 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:52:20,716 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:52:20,716 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:52:20,716 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:52:20,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,780 INFO L101 BaseMinimizeStates]: Removed 92 edges and 28 locations by large block encoding [2024-09-12 16:52:20,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:52:20,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:52:20,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:52:20,781 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:52:20,783 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-12 16:52:20,784 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:52:20,788 INFO L158 Benchmark]: Toolchain (without parser) took 1231.08ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 33.8MB in the beginning and 50.0MB in the end (delta: -16.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-09-12 16:52:20,788 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 46.1MB. Free memory is still 24.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:52:20,788 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:52:20,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.21ms. Allocated memory is still 67.1MB. Free memory was 33.7MB in the beginning and 34.9MB in the end (delta: -1.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-12 16:52:20,789 INFO L158 Benchmark]: Boogie Preprocessor took 63.37ms. Allocated memory is still 67.1MB. Free memory was 34.9MB in the beginning and 31.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 16:52:20,790 INFO L158 Benchmark]: RCFGBuilder took 482.09ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 31.9MB in the beginning and 60.2MB in the end (delta: -28.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-12 16:52:20,791 INFO L158 Benchmark]: Referee took 382.50ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 50.0MB in the end (delta: 10.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-12 16:52:20,793 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 0.88ms. Allocated memory is still 46.1MB. Free memory is still 24.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.21ms. Allocated memory is still 67.1MB. Free memory was 33.7MB in the beginning and 34.9MB in the end (delta: -1.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.37ms. Allocated memory is still 67.1MB. Free memory was 34.9MB in the beginning and 31.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 482.09ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 31.9MB in the beginning and 60.2MB in the end (delta: -28.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Referee took 382.50ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 50.0MB in the end (delta: 10.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:52:20,816 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