./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 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+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-a9b967e-m [2024-09-11 20:46:36,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:36,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:36,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:36,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:36,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:36,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:36,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:36,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:36,123 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:36,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:36,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:36,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:36,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:36,126 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:36,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:36,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:36,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:36,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:36,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:36,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:36,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:36,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:36,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:36,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:36,129 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:36,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:36,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:36,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:36,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:36,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:36,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:36,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:36,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:36,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:36,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:36,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:36,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:36,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:36,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:36,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:36,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:36,132 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:36,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:36,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:36,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:36,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:36,340 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:36,341 INFO L431 ainManager$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 [2024-09-11 20:46:37,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:37,693 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:37,695 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-11 20:46:37,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d36df4028/e19062f0e00a4bc481f77648fedef4a7/FLAGeadecae2f [2024-09-11 20:46:38,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d36df4028/e19062f0e00a4bc481f77648fedef4a7 [2024-09-11 20:46:38,109 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:38,110 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:38,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-11 20:46:38,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:38,162 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:38,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:38,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:38,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:38,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:38" (1/2) ... [2024-09-11 20:46:38,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d58422c 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 20:46:38,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:38" (1/2) ... [2024-09-11 20:46:38,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@634c4769 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 20:46:38,172 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 20:46:38,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d58422c 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 20:46:38,173 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 20:46:38,185 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:38,186 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((main__loop_entered % 4294967296) == 0) [2024-09-11 20:46:38,186 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))) [2024-09-11 20:46:38,186 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 20:46:38,186 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:46:38,186 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 20:46:38,188 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-11 20:46:38,188 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-11 20:46:38,188 INFO L1541 ArrayList]: Location invariant before [L104-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 20:46:38,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:38,346 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] [2024-09-11 20:46:38,360 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] [2024-09-11 20:46:38,363 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] [2024-09-11 20:46:38,367 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] [2024-09-11 20:46:38,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:38,377 INFO L200 MainTranslator]: Completed pre-run 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+lhb-reducer.c[1215,1228] [2024-09-11 20:46:38,416 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 [2024-09-11 20:46:38,427 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 [2024-09-11 20:46:38,442 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 [2024-09-11 20:46:38,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:38,465 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:38,466 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 20:46:38,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:38,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:38,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:38,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:38,476 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 20:46:38,477 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 20:46:38,486 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 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]. [2024-09-11 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 20:46:38,512 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 20:46:38,522 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 20:46:38,524 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 20:46:38,529 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 20:46:38,530 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 20:46:38,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:38,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:38,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:38,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:38,533 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 20:46:38,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:38,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:38,561 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) [2024-09-11 20:46:38,566 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 20:46:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:46:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:46:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-11 20:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-11 20:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:46:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-11 20:46:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:38,681 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:38,683 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:39,022 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:39,023 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:39,051 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:39,051 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:39,052 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 20:46:39,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:39,052 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:39,053 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:39,053 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:39,053 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:38" (1/4) ... [2024-09-11 20:46:39,054 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@fec630d 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 20:46:39,054 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 20:46:39,055 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@fec630d 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 20:46:39,055 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 20:46:39,055 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@fec630d 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 20:46:39,056 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 20:46:39,057 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-11 20:46:39,059 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:39,060 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:46:39,060 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-09-11 20:46:39,060 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 20:46:39,060 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 20:46:39,060 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:46:39,060 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-11 20:46:39,060 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-09-11 20:46:39,061 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-11 20:46:39,061 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-11 20:46:39,061 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-11 20:46:39,061 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:46:39,061 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-11 20:46:39,061 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-09-11 20:46:39,061 INFO L130 InvariantChecker]: Will check 11 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 20:46:39,092 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:46:39,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:39,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:39,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:39,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:39,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,112 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-11 20:46:39,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,113 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:39,114 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:39,114 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:39,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:39,160 INFO L314 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-09-11 20:46:39,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:39,161 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:39,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:39,161 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:39,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,294 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-09-11 20:46:39,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:39,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:39,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:39,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:39,308 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-11 20:46:39,309 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 20:46:39,315 INFO L158 Benchmark]: Toolchain (without parser) took 1152.15ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 67.5MB in the beginning and 164.2MB in the end (delta: -96.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,315 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 138.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:39,316 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 138.4MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:39,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.09ms. Allocated memory is still 138.4MB. Free memory was 67.3MB in the beginning and 50.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,317 INFO L158 Benchmark]: Boogie Preprocessor took 64.63ms. Allocated memory is still 138.4MB. Free memory was 50.8MB in the beginning and 48.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,318 INFO L158 Benchmark]: RCFGBuilder took 520.05ms. Allocated memory is still 138.4MB. Free memory was 48.0MB in the beginning and 81.2MB in the end (delta: -33.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,318 INFO L158 Benchmark]: Referee took 261.04ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 81.2MB in the beginning and 164.2MB in the end (delta: -83.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-09-11 20:46:39,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 138.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 138.4MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.09ms. Allocated memory is still 138.4MB. Free memory was 67.3MB in the beginning and 50.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.63ms. Allocated memory is still 138.4MB. Free memory was 50.8MB in the beginning and 48.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.05ms. Allocated memory is still 138.4MB. Free memory was 48.0MB in the beginning and 81.2MB in the end (delta: -33.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Referee took 261.04ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 81.2MB in the beginning and 164.2MB in the end (delta: -83.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:39,342 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-a9b967e-m [2024-09-11 20:46:41,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:41,116 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:46:41,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:41,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:41,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:41,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:41,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:41,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:41,137 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:41,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:41,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:41,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:41,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:41,140 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:41,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:41,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:41,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:41,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:41,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:41,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:41,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:41,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:41,145 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:46:41,145 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:46:41,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:41,145 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:46:41,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:41,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:41,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:41,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:41,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:41,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:41,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:41,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:41,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:41,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:41,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:41,149 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:46:41,149 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:46:41,149 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:41,149 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:41,149 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:41,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:41,150 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:46:41,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:41,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:41,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:41,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:41,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:41,402 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:41,402 INFO L431 ainManager$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 [2024-09-11 20:46:42,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:42,761 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:42,764 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-11 20:46:42,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/91dd13a99/35098db6376a4c4291ffc126593d64f1/FLAG22dc5a0d5 [2024-09-11 20:46:42,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/91dd13a99/35098db6376a4c4291ffc126593d64f1 [2024-09-11 20:46:42,786 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:42,787 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:42,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-11 20:46:42,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:42,841 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:42,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:42,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:42,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:42,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:42" (1/2) ... [2024-09-11 20:46:42,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465cca98 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 20:46:42,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:42" (1/2) ... [2024-09-11 20:46:42,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23ccf757 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 20:46:42,852 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 20:46:42,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465cca98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:42, skipping insertion in model container [2024-09-11 20:46:42,852 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 20:46:42,864 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:42,866 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((main__loop_entered % 4294967296) == 0) [2024-09-11 20:46:42,866 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 20:46:42,867 INFO L1541 ArrayList]: Location invariant before [L104-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 20:46:42,867 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-11 20:46:42,867 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))) [2024-09-11 20:46:42,867 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 20:46:42,867 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-11 20:46:42,867 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-11 20:46:42,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:43,054 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] [2024-09-11 20:46:43,062 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] [2024-09-11 20:46:43,065 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] [2024-09-11 20:46:43,069 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] [2024-09-11 20:46:43,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:43,084 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-11 20:46:43,125 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] [2024-09-11 20:46:43,128 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 [2024-09-11 20:46:43,139 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 [2024-09-11 20:46:43,150 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 [2024-09-11 20:46:43,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:43,164 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:43,165 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 20:46:43,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:43,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:43,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:43,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:43,176 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 20:46:43,177 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 20:46:43,183 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 20:46:43,197 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]. [2024-09-11 20:46:43,198 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 20:46:43,198 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 20:46:43,210 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 20:46:43,213 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 20:46:43,217 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 20:46:43,218 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 20:46:43,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:43,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:43,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:43,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:43,226 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 20:46:43,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:43,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:43,251 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 20:46:43,254 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 20:46:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:46:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-11 20:46:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-11 20:46:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-11 20:46:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-11 20:46:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:46:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-11 20:46:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:46:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-11 20:46:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:46:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-11 20:46:43,381 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:43,383 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:43,700 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:43,700 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:43,741 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:43,741 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:43,741 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 20:46:43,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:43,742 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:43,742 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:43,743 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:43,743 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:42" (1/4) ... [2024-09-11 20:46:43,744 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5dc9afd0 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 20:46:43,745 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 20:46:43,745 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5dc9afd0 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 20:46:43,745 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 20:46:43,745 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5dc9afd0 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 20:46:43,746 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 20:46:43,747 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-11 20:46:43,750 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:43,751 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:46:43,751 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-09-11 20:46:43,751 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 20:46:43,751 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 20:46:43,752 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:46:43,752 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-11 20:46:43,752 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-09-11 20:46:43,752 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-11 20:46:43,753 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-11 20:46:43,753 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-11 20:46:43,753 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:46:43,753 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-11 20:46:43,753 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-09-11 20:46:43,754 INFO L130 InvariantChecker]: Will check 11 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 20:46:43,793 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:46:43,794 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:43,795 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:43,795 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:43,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:43,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:43,811 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-11 20:46:43,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:43,813 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:43,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:43,814 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:43,816 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:43,882 INFO L314 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-09-11 20:46:43,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:43,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:43,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:43,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:43,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:43,996 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-09-11 20:46:43,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:43,997 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:43,997 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:43,997 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:44,010 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-11 20:46:44,011 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 20:46:44,016 INFO L158 Benchmark]: Toolchain (without parser) took 1173.60ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 26.1MB in the beginning and 44.8MB in the end (delta: -18.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,016 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:44,017 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 28.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:44,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.66ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 25.9MB in the beginning and 48.3MB in the end (delta: -22.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,018 INFO L158 Benchmark]: Boogie Preprocessor took 58.53ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 45.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,019 INFO L158 Benchmark]: RCFGBuilder took 516.21ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 45.0MB in the end (delta: 174.7kB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,019 INFO L158 Benchmark]: Referee took 272.67ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 44.8MB in the end (delta: 189.2kB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-09-11 20:46:44,021 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 0.11ms. Allocated memory is still 56.6MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 56.6MB. Free memory is still 28.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.66ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 25.9MB in the beginning and 48.3MB in the end (delta: -22.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.53ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 45.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.21ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 45.0MB in the end (delta: 174.7kB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Referee took 272.67ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 44.8MB in the end (delta: 189.2kB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:44,042 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