./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/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/simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/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-dev-5189fb6-m [2024-09-13 05:02:27,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:27,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:27,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:27,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:27,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:27,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:27,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:27,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:27,127 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:27,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:27,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:27,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:27,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:27,129 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:27,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:27,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:27,130 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:27,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:27,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:27,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:27,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:27,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:27,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:27,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:27,132 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:27,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:27,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:27,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:27,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:27,134 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:27,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:27,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:27,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:27,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:27,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:27,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:27,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:27,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:27,137 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:27,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:27,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:27,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:27,138 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:27,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:27,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:27,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:27,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:27,460 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:27,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 05:02:28,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:29,015 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:29,015 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 05:02:29,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/83b485cdb/709d4865035340568ce0889ef71c54fc/FLAGc46d63d2b [2024-09-13 05:02:29,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/83b485cdb/709d4865035340568ce0889ef71c54fc [2024-09-13 05:02:29,039 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:29,039 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:29,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-13 05:02:29,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:29,095 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:29,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:29,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:29,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:29,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:29" (1/2) ... [2024-09-13 05:02:29,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21980b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:29, skipping insertion in model container [2024-09-13 05:02:29,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:29" (1/2) ... [2024-09-13 05:02:29,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ad02ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:29, skipping insertion in model container [2024-09-13 05:02:29,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:29" (2/2) ... [2024-09-13 05:02:29,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21980b03 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29, skipping insertion in model container [2024-09-13 05:02:29,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:29" (2/2) ... [2024-09-13 05:02:29,117 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:29,119 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && ((main__loop_entered % 4294967296) == 0)) [2024-09-13 05:02:29,120 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-13 05:02:29,120 INFO L1541 ArrayList]: Location invariant before [L30-L189] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 05:02:29,120 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 05:02:29,120 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 05:02:29,120 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && ((main__loop_entered % 4294967296) == 0)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 05:02:29,120 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-13 05:02:29,120 INFO L1541 ArrayList]: Location invariant before [L104-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 05:02:29,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:29,302 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-09-13 05:02:29,314 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] [2024-09-13 05:02:29,319 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2490,2503] [2024-09-13 05:02:29,325 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] [2024-09-13 05:02:29,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:29,338 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-13 05:02:29,388 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-09-13 05:02:29,393 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-13 05:02:29,406 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2490,2503] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:29,426 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] Start Parsing Local [2024-09-13 05:02:29,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:29,449 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:29,450 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29 WrapperNode [2024-09-13 05:02:29,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:29,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:29,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:29,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:29,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,498 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-09-13 05:02:29,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:29,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:29,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:29,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:29,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (1/1) ... [2024-09-13 05:02:29,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:29,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:29,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:02:29,565 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:02:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:02:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 05:02:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:29,739 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:29,742 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:30,103 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:30,153 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:30,154 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:30,154 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:30 BoogieIcfgContainer [2024-09-13 05:02:30,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:30,155 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:30,155 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:30,156 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:30,156 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:29" (1/4) ... [2024-09-13 05:02:30,157 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74c044a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:30, skipping insertion in model container [2024-09-13 05:02:30,158 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:29" (2/4) ... [2024-09-13 05:02:30,158 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74c044a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:30, skipping insertion in model container [2024-09-13 05:02:30,158 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:29" (3/4) ... [2024-09-13 05:02:30,159 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74c044a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:30, skipping insertion in model container [2024-09-13 05:02:30,159 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:30" (4/4) ... [2024-09-13 05:02:30,160 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 05:02:30,164 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:30,165 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 05:02:30,165 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-09-13 05:02:30,166 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:30,166 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:02:30,166 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 05:02:30,166 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:30,167 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-09-13 05:02:30,167 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:30,167 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:30,167 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-13 05:02:30,167 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:02:30,168 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-13 05:02:30,168 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-09-13 05:02:30,169 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:02:30,219 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-13 05:02:30,220 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:30,222 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:30,222 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:30,223 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:30,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:30,247 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-13 05:02:30,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:30,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:30,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:30,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:30,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:30,323 INFO L314 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-09-13 05:02:30,326 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:30,326 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:30,327 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:30,327 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:30,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:30,619 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-09-13 05:02:30,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:30,620 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:30,621 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:30,621 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:30,647 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 05:02:30,649 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:02:30,658 INFO L158 Benchmark]: Toolchain (without parser) took 1562.07ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 139.4MB in the beginning and 151.7MB in the end (delta: -12.3MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:30,658 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:30,659 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:30,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.05ms. Allocated memory is still 169.9MB. Free memory was 138.9MB in the beginning and 122.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:02:30,660 INFO L158 Benchmark]: Boogie Preprocessor took 70.01ms. Allocated memory is still 169.9MB. Free memory was 122.5MB in the beginning and 120.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:30,661 INFO L158 Benchmark]: RCFGBuilder took 632.27ms. Allocated memory is still 169.9MB. Free memory was 119.2MB in the beginning and 114.6MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:30,662 INFO L158 Benchmark]: Referee took 500.87ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 114.6MB in the beginning and 151.7MB in the end (delta: -37.1MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-09-13 05:02:30,665 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 0.19ms. Allocated memory is still 169.9MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.05ms. Allocated memory is still 169.9MB. Free memory was 138.9MB in the beginning and 122.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.01ms. Allocated memory is still 169.9MB. Free memory was 122.5MB in the beginning and 120.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.27ms. Allocated memory is still 169.9MB. Free memory was 119.2MB in the beginning and 114.6MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 500.87ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 114.6MB in the beginning and 151.7MB in the end (delta: -37.1MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:30,700 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/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-dev-5189fb6-m [2024-09-13 05:02:32,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:32,878 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:02:32,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:32,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:32,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:32,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:32,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:32,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:32,917 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:32,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:32,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:32,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:32,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:32,921 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:32,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:32,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:32,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:32,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:32,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:32,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:32,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:32,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:32,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:02:32,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:02:32,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:32,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:02:32,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:32,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:32,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:32,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:32,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:32,931 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:32,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:32,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:32,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:32,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:32,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:32,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:32,933 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:02:32,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:02:32,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:32,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:32,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:32,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:32,936 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:02:32,936 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:33,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:33,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:33,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:33,295 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:33,295 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:33,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-13 05:02:33,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:33,375 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:33,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 05:02:34,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:35,139 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:35,142 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 05:02:35,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/20a763058/418f51b35b254f11a0a5c34fb303ed24/FLAG55eb6291b [2024-09-13 05:02:35,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/20a763058/418f51b35b254f11a0a5c34fb303ed24 [2024-09-13 05:02:35,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:35,517 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:35,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:35,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:35,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:35,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:33" (1/2) ... [2024-09-13 05:02:35,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac00fed and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:35, skipping insertion in model container [2024-09-13 05:02:35,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:33" (1/2) ... [2024-09-13 05:02:35,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45edf4fc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:35, skipping insertion in model container [2024-09-13 05:02:35,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:35" (2/2) ... [2024-09-13 05:02:35,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac00fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35, skipping insertion in model container [2024-09-13 05:02:35,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:35" (2/2) ... [2024-09-13 05:02:35,550 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:35,551 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-13 05:02:35,551 INFO L1541 ArrayList]: Location invariant before [L30-L189] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 05:02:35,551 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 05:02:35,551 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 05:02:35,551 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-13 05:02:35,551 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && ((main__loop_entered % 4294967296) == 0)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 05:02:35,551 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && ((main__loop_entered % 4294967296) == 0)) [2024-09-13 05:02:35,552 INFO L1541 ArrayList]: Location invariant before [L104-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 05:02:35,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:35,749 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-09-13 05:02:35,764 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] [2024-09-13 05:02:35,767 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2490,2503] [2024-09-13 05:02:35,776 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] [2024-09-13 05:02:35,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:35,792 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-13 05:02:35,830 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-09-13 05:02:35,833 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-13 05:02:35,842 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2490,2503] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:35,854 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/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] Start Parsing Local [2024-09-13 05:02:35,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:35,876 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:35,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35 WrapperNode [2024-09-13 05:02:35,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:35,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:35,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:35,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:35,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,896 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,911 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-09-13 05:02:35,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:35,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:35,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:35,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:35,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (1/1) ... [2024-09-13 05:02:35,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:35,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:35,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:02:35,967 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:02:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:02:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:02:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-13 05:02:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-13 05:02:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-13 05:02:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-13 05:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-13 05:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-13 05:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:02:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-13 05:02:36,096 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:36,099 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:36,521 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:36,580 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:36,581 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:36,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:36 BoogieIcfgContainer [2024-09-13 05:02:36,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:36,582 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:36,582 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:36,583 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:36,583 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:33" (1/4) ... [2024-09-13 05:02:36,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e6ae87d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:36, skipping insertion in model container [2024-09-13 05:02:36,585 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:35" (2/4) ... [2024-09-13 05:02:36,585 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e6ae87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:36, skipping insertion in model container [2024-09-13 05:02:36,585 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:35" (3/4) ... [2024-09-13 05:02:36,585 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e6ae87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:36, skipping insertion in model container [2024-09-13 05:02:36,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:36" (4/4) ... [2024-09-13 05:02:36,587 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 05:02:36,591 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:36,592 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 05:02:36,592 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-09-13 05:02:36,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:36,593 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:02:36,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 05:02:36,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 05:02:36,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-09-13 05:02:36,594 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:36,594 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 05:02:36,594 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-13 05:02:36,594 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:02:36,595 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-13 05:02:36,595 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-09-13 05:02:36,596 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:02:36,660 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-13 05:02:36,661 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:36,662 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:36,662 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:36,663 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:36,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:36,688 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-13 05:02:36,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:36,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:36,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:36,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:36,695 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:36,760 INFO L314 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-09-13 05:02:36,764 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:36,764 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:36,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:36,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:36,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:36,978 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-09-13 05:02:36,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:36,979 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:36,979 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:36,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:37,010 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 05:02:37,012 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:02:37,017 INFO L158 Benchmark]: Toolchain (without parser) took 1499.65ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 32.8MB in the beginning and 37.6MB in the end (delta: -4.8MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,018 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 44.0MB. Free memory was 20.8MB in the beginning and 20.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:37,018 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 44.0MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:37,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.15ms. Allocated memory is still 54.5MB. Free memory was 32.5MB in the beginning and 29.5MB in the end (delta: 3.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,020 INFO L158 Benchmark]: Boogie Preprocessor took 54.19ms. Allocated memory is still 54.5MB. Free memory was 29.5MB in the beginning and 26.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,021 INFO L158 Benchmark]: RCFGBuilder took 648.60ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 26.4MB in the beginning and 28.9MB in the end (delta: -2.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,021 INFO L158 Benchmark]: Referee took 433.39ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 28.9MB in the beginning and 37.6MB in the end (delta: -8.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:37,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.30ms. Allocated memory is still 44.0MB. Free memory was 20.8MB in the beginning and 20.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 44.0MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.15ms. Allocated memory is still 54.5MB. Free memory was 32.5MB in the beginning and 29.5MB in the end (delta: 3.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.19ms. Allocated memory is still 54.5MB. Free memory was 29.5MB in the beginning and 26.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 648.60ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 26.4MB in the beginning and 28.9MB in the end (delta: -2.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Referee took 433.39ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 28.9MB in the beginning and 37.6MB in the end (delta: -8.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:37,053 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug