./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/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/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/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/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 [2024-09-11 20:46:36,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:36,078 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:36,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:36,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:36,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:36,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:36,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:36,102 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:36,102 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:36,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:36,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:36,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:36,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:36,105 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:36,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:36,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:36,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:36,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:36,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:36,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:36,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:36,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:36,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:36,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:36,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:36,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:36,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:36,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:36,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:36,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:36,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:36,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:36,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:36,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:36,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:36,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:36,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:36,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:36,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:36,114 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:36,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:36,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:36,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:36,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:36,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:36,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:36,337 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:36,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-11 20:46:37,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:37,700 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:37,701 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-11 20:46:37,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1c735520e/e5f8cc4e5ffb423b95c57a656e90ca6c/FLAG270481443 [2024-09-11 20:46:38,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1c735520e/e5f8cc4e5ffb423b95c57a656e90ca6c [2024-09-11 20:46:38,123 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:38,124 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:38,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-11 20:46:38,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:38,175 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:38,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:38,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:38,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:38,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:38" (1/2) ... [2024-09-11 20:46:38,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc4aafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:38, skipping insertion in model container [2024-09-11 20:46:38,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:38" (1/2) ... [2024-09-11 20:46:38,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@471f32c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:38, skipping insertion in model container [2024-09-11 20:46:38,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:38" (2/2) ... [2024-09-11 20:46:38,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc4aafe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:38, skipping insertion in model container [2024-09-11 20:46:38,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:38" (2/2) ... [2024-09-11 20:46:38,195 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:38,197 INFO L1541 ArrayList]: Location invariant before [L66-L92] (((((((long long) main__index2 + 1) % 4294967296) <= 99999) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 != 0)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-11 20:46:38,197 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((main__loop_entered % 4294967296) == 0) [2024-09-11 20:46:38,199 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:46:38,199 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-11 20:46:38,200 INFO L1541 ArrayList]: Location invariant before [L102-L136] (((main__loop_entered % 4294967296) == 0) || (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-11 20:46:38,200 INFO L1541 ArrayList]: Location invariant before [L35-L151] ((((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && (main____CPAchecker_TMP_0 == 1)) && ((main__index2 % 4294967296) <= 99999)) && ((main__loop_entered % 4294967296) == 0)) [2024-09-11 20:46:38,200 INFO L1541 ArrayList]: Location invariant before [L105-L131] (((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) || (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-11 20:46:38,200 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-11 20:46:38,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:38,353 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+nlh-reducer.c[1215,1228] [2024-09-11 20:46:38,362 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+nlh-reducer.c[1969,1982] [2024-09-11 20:46:38,365 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+nlh-reducer.c[2504,2517] [2024-09-11 20:46:38,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:38,375 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-11 20:46:38,402 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+nlh-reducer.c[1215,1228] [2024-09-11 20:46:38,405 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+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-11 20:46:38,411 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+nlh-reducer.c[2504,2517] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:46:38,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:38,464 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:38,465 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:38 WrapperNode [2024-09-11 20:46:38,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:38,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:38,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:38,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:38,475 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,476 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,485 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,511 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 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]. [2024-09-11 20:46:38,511 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,511 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,524 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,527 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,531 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,532 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:38,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:38,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:38,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:38,542 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 11.09 08:46:38" (1/1) ... [2024-09-11 20:46:38,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:38,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:38,572 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) [2024-09-11 20:46:38,574 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 [2024-09-11 20:46:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:46:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:46:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-11 20:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-11 20:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-11 20:46:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:38,673 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:38,675 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:39,012 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:39,012 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:39,059 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:39,059 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:39,060 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:39 BoogieIcfgContainer [2024-09-11 20:46:39,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:39,060 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:39,061 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:39,065 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:39,065 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:38" (1/4) ... [2024-09-11 20:46:39,066 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@659bf798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:39, skipping insertion in model container [2024-09-11 20:46:39,066 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:38" (2/4) ... [2024-09-11 20:46:39,066 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@659bf798 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:39, skipping insertion in model container [2024-09-11 20:46:39,066 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 11.09 08:46:38" (3/4) ... [2024-09-11 20:46:39,066 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@659bf798 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:39, skipping insertion in model container [2024-09-11 20:46:39,066 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:39" (4/4) ... [2024-09-11 20:46:39,067 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-11 20:46:39,071 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:39,072 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:46:39,072 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-11 20:46:39,072 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-11 20:46:39,072 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:46:39,072 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:46:39,072 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-11 20:46:39,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-11 20:46:39,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-11 20:46:39,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-11 20:46:39,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-11 20:46:39,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:46:39,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-11 20:46:39,074 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 10 loop-free subgraphs from loop head to error location [2024-09-11 20:46:39,116 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-11 20:46:39,117 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:39,117 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:39,117 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:39,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:39,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,134 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:46:39,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:39,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:39,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:39,139 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:39,152 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:39,169 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-11 20:46:39,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:39,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:39,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:39,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:39,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,187 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-11 20:46:39,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,188 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:39,188 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:39,188 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:39,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:39,192 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:39,208 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-11 20:46:39,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:39,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:39,208 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:39,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:39,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,323 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-11 20:46:39,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:39,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:39,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:39,329 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-11 20:46:39,330 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) [2024-09-11 20:46:39,335 INFO L158 Benchmark]: Toolchain (without parser) took 1159.91ms. Allocated memory is still 190.8MB. Free memory was 119.4MB in the beginning and 68.3MB in the end (delta: 51.1MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,335 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:39,336 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:39,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.91ms. Allocated memory is still 190.8MB. Free memory was 119.2MB in the beginning and 162.5MB in the end (delta: -43.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,338 INFO L158 Benchmark]: Boogie Preprocessor took 71.44ms. Allocated memory is still 190.8MB. Free memory was 162.5MB in the beginning and 159.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,339 INFO L158 Benchmark]: RCFGBuilder took 522.22ms. Allocated memory is still 190.8MB. Free memory was 159.4MB in the beginning and 129.1MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,339 INFO L158 Benchmark]: Referee took 273.60ms. Allocated memory is still 190.8MB. Free memory was 129.1MB in the beginning and 68.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,342 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 0.14ms. Allocated memory is still 190.8MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.91ms. Allocated memory is still 190.8MB. Free memory was 119.2MB in the beginning and 162.5MB in the end (delta: -43.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.44ms. Allocated memory is still 190.8MB. Free memory was 162.5MB in the beginning and 159.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 522.22ms. Allocated memory is still 190.8MB. Free memory was 159.4MB in the beginning and 129.1MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Referee took 273.60ms. Allocated memory is still 190.8MB. Free memory was 129.1MB in the beginning and 68.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:39,366 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+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/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 [2024-09-11 20:46:41,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:41,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:46:41,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:41,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:41,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:41,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:41,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:41,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:41,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:41,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:41,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:41,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:41,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:41,225 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:41,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:41,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:41,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:41,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:41,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:41,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:41,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:41,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:41,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:46:41,229 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:46:41,229 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:41,229 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:46:41,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:41,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:41,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:41,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:41,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:41,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:41,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:41,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:41,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:41,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:41,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:41,238 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:46:41,238 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:46:41,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:41,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:41,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:41,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:41,238 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:46:41,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:41,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:41,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:41,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:41,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:41,489 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:41,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-11 20:46:42,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:42,910 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:42,911 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-11 20:46:42,917 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d31a7d734/b6831247a6074910a6573f6227c729b1/FLAG095e3762f [2024-09-11 20:46:42,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d31a7d734/b6831247a6074910a6573f6227c729b1 [2024-09-11 20:46:42,934 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:42,935 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:42,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-11 20:46:42,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:42,988 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:42,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:42,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:42,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:42,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:42" (1/2) ... [2024-09-11 20:46:42,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322871f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:42, skipping insertion in model container [2024-09-11 20:46:42,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:42" (1/2) ... [2024-09-11 20:46:42,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b6147e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:42, skipping insertion in model container [2024-09-11 20:46:43,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:42" (2/2) ... [2024-09-11 20:46:43,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2322871f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:43, skipping insertion in model container [2024-09-11 20:46:43,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:42" (2/2) ... [2024-09-11 20:46:43,013 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:43,014 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:46:43,014 INFO L1541 ArrayList]: Location invariant before [L102-L136] (((main__loop_entered % 4294967296) == 0) || (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-11 20:46:43,014 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((main__loop_entered % 4294967296) == 0) [2024-09-11 20:46:43,014 INFO L1541 ArrayList]: Location invariant before [L35-L151] ((((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && (main____CPAchecker_TMP_0 == 1)) && ((main__index2 % 4294967296) <= 99999)) && ((main__loop_entered % 4294967296) == 0)) [2024-09-11 20:46:43,014 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-11 20:46:43,015 INFO L1541 ArrayList]: Location invariant before [L66-L92] (((((((long long) main__index2 + 1) % 4294967296) <= 99999) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main____CPAchecker_TMP_0 != 0)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-11 20:46:43,015 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-11 20:46:43,015 INFO L1541 ArrayList]: Location invariant before [L105-L131] (((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) || (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296)))) [2024-09-11 20:46:43,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:43,168 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+nlh-reducer.c[1215,1228] [2024-09-11 20:46:43,176 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+nlh-reducer.c[1969,1982] [2024-09-11 20:46:43,178 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+nlh-reducer.c[2504,2517] [2024-09-11 20:46:43,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:43,196 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-11 20:46:43,231 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+nlh-reducer.c[1215,1228] [2024-09-11 20:46:43,234 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+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-11 20:46:43,248 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+nlh-reducer.c[2504,2517] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:46:43,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:43,269 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:43,270 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:43 WrapperNode [2024-09-11 20:46:43,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:43,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:43,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:43,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:43,281 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,282 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,290 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,302 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 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]. [2024-09-11 20:46:43,303 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,303 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,311 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,321 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,322 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,323 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:43,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:43,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:43,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:43,333 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 11.09 08:46:43" (1/1) ... [2024-09-11 20:46:43,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:43,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:43,357 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) [2024-09-11 20:46:43,359 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 [2024-09-11 20:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:46:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:46:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-11 20:46:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:46:43,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-11 20:46:43,480 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:43,481 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:43,782 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:43,782 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:43,822 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:43,825 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:43,825 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:43 BoogieIcfgContainer [2024-09-11 20:46:43,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:43,826 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:43,826 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:43,827 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:43,827 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:42" (1/4) ... [2024-09-11 20:46:43,828 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bda101c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:43, skipping insertion in model container [2024-09-11 20:46:43,828 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:42" (2/4) ... [2024-09-11 20:46:43,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bda101c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:43, skipping insertion in model container [2024-09-11 20:46:43,829 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 11.09 08:46:43" (3/4) ... [2024-09-11 20:46:43,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bda101c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:43, skipping insertion in model container [2024-09-11 20:46:43,830 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:43" (4/4) ... [2024-09-11 20:46:43,831 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-11 20:46:43,834 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:43,835 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:46:43,835 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-11 20:46:43,835 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-11 20:46:43,835 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:46:43,835 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:46:43,837 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-11 20:46:43,837 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-11 20:46:43,837 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-11 20:46:43,837 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-11 20:46:43,837 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-11 20:46:43,837 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:46:43,838 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-11 20:46:43,838 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:46:43,891 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-11 20:46:43,892 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:43,892 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:43,893 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:43,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:43,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:43,910 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:46:43,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:43,913 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:43,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:43,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:43,916 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:43,927 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:43,948 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-11 20:46:43,948 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:43,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:43,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:43,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:43,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:43,966 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-11 20:46:43,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:43,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:43,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:43,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:43,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:43,974 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:43,988 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-11 20:46:43,989 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:43,989 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:43,989 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:43,989 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:43,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,097 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-11 20:46:44,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:44,098 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:44,098 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:44,098 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:44,105 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-11 20:46:44,106 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) [2024-09-11 20:46:44,110 INFO L158 Benchmark]: Toolchain (without parser) took 1121.56ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 37.3MB in the beginning and 29.4MB in the end (delta: 7.9MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,111 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:44,111 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:44,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.12ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.9MB in the beginning and 59.1MB in the end (delta: -22.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,113 INFO L158 Benchmark]: Boogie Preprocessor took 59.87ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 56.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,113 INFO L158 Benchmark]: RCFGBuilder took 493.62ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 32.0MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,114 INFO L158 Benchmark]: Referee took 283.32ms. Allocated memory is still 81.8MB. Free memory was 32.0MB in the beginning and 29.4MB in the end (delta: 2.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,117 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 0.12ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.12ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.9MB in the beginning and 59.1MB in the end (delta: -22.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.87ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 56.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.62ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 32.0MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 283.32ms. Allocated memory is still 81.8MB. Free memory was 32.0MB in the beginning and 29.4MB in the end (delta: 2.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:44,138 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