./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 ca4ee3dd 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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:08:45,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:45,463 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:08:45,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:45,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:45,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:45,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:45,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:45,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:45,497 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:45,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:45,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:45,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:45,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:45,499 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:45,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:45,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:45,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:45,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:08:45,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:45,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:45,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:45,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:45,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:45,503 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:45,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:45,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:45,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:45,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:45,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:45,504 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:45,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:45,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:45,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:45,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:45,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:45,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:45,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:08:45,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:08:45,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:45,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:45,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:45,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:45,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:45,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:45,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:45,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:45,792 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:45,793 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:45,793 INFO L431 ainManager$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 [2024-09-20 20:08:45,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:45,898 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:45,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:08:47,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:47,608 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:47,609 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:08:47,621 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a6cd7cd78/f6472fc92cae4578b5c8d59d6377db83/FLAG1605c146f [2024-09-20 20:08:47,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a6cd7cd78/f6472fc92cae4578b5c8d59d6377db83 [2024-09-20 20:08:47,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:47,968 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:47,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:47,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:47,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:47,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:45" (1/2) ... [2024-09-20 20:08:47,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df6ecb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:47, skipping insertion in model container [2024-09-20 20:08:47,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:45" (1/2) ... [2024-09-20 20:08:47,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2de2e07d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:47, skipping insertion in model container [2024-09-20 20:08:47,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:47" (2/2) ... [2024-09-20 20:08:47,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df6ecb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:47, skipping insertion in model container [2024-09-20 20:08:47,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:47" (2/2) ... [2024-09-20 20:08:47,998 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:47,999 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-20 20:08:48,000 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-20 20:08:48,000 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-20 20:08:48,000 INFO L1541 ArrayList]: Location invariant before [L102-L136] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-20 20:08:48,000 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-20 20:08:48,000 INFO L1541 ArrayList]: Location invariant before [L105-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-20 20:08:48,000 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-09-20 20:08:48,000 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (main__loop_entered == 0)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) [2024-09-20 20:08:48,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:48,157 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-20 20:08:48,166 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] [2024-09-20 20:08:48,172 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] [2024-09-20 20:08:48,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:48,180 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-20 20:08:48,210 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-20 20:08:48,212 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-20 20:08:48,219 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/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 [2024-09-20 20:08:48,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:48,244 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:48,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48 WrapperNode [2024-09-20 20:08:48,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:48,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:48,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:48,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:48,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,289 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]. [2024-09-20 20:08:48,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:48,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:48,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:48,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:48,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (1/1) ... [2024-09-20 20:08:48,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:48,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:48,398 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) [2024-09-20 20:08:48,409 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 [2024-09-20 20:08:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:08:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:08:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:08:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:08:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 20:08:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 20:08:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 20:08:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 20:08:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 20:08:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 20:08:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 20:08:48,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:48,533 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:48,535 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:48,833 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:48,878 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:48,880 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:08:48,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:48 BoogieIcfgContainer [2024-09-20 20:08:48,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:48,881 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:48,882 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:48,882 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:48,883 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:45" (1/4) ... [2024-09-20 20:08:48,883 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@542d3750 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:48, skipping insertion in model container [2024-09-20 20:08:48,884 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:47" (2/4) ... [2024-09-20 20:08:48,884 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@542d3750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:48, skipping insertion in model container [2024-09-20 20:08:48,884 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:48" (3/4) ... [2024-09-20 20:08:48,884 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@542d3750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:48, skipping insertion in model container [2024-09-20 20:08:48,885 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:48" (4/4) ... [2024-09-20 20:08:48,886 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:08:48,889 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:08:48,889 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:08:48,890 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-20 20:08:48,890 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-20 20:08:48,890 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:08:48,890 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:08:48,891 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-20 20:08:48,891 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-20 20:08:48,891 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-20 20:08:48,891 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-20 20:08:48,891 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-20 20:08:48,892 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:08:48,892 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-20 20:08:48,893 INFO L131 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 [2024-09-20 20:08:48,938 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-20 20:08:48,939 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:48,940 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:48,940 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:48,941 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:48,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:48,964 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 20:08:48,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:48,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:48,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:48,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:48,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:48,980 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:49,000 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-20 20:08:49,000 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:49,000 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:49,000 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:49,000 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:49,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:49,023 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-20 20:08:49,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:49,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:49,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:49,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:49,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:49,027 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:49,050 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-20 20:08:49,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:49,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:49,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:49,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:49,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:49,267 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-20 20:08:49,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:49,267 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:49,267 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:49,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:49,276 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 20:08:49,277 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 20:08:49,284 INFO L158 Benchmark]: Toolchain (without parser) took 1314.67ms. Allocated memory is still 201.3MB. Free memory was 132.1MB in the beginning and 70.5MB in the end (delta: 61.6MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2024-09-20 20:08:49,284 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:49,284 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 201.3MB. Free memory is still 177.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:49,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.04ms. Allocated memory is still 201.3MB. Free memory was 131.9MB in the beginning and 115.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:08:49,285 INFO L158 Benchmark]: Boogie Preprocessor took 97.74ms. Allocated memory is still 201.3MB. Free memory was 115.9MB in the beginning and 173.8MB in the end (delta: -57.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-09-20 20:08:49,286 INFO L158 Benchmark]: RCFGBuilder took 536.02ms. Allocated memory is still 201.3MB. Free memory was 173.8MB in the beginning and 148.9MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-20 20:08:49,286 INFO L158 Benchmark]: Referee took 401.08ms. Allocated memory is still 201.3MB. Free memory was 148.9MB in the beginning and 70.5MB in the end (delta: 78.4MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-09-20 20:08:49,288 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 104.9MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 201.3MB. Free memory is still 177.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.04ms. Allocated memory is still 201.3MB. Free memory was 131.9MB in the beginning and 115.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.74ms. Allocated memory is still 201.3MB. Free memory was 115.9MB in the beginning and 173.8MB in the end (delta: -57.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * RCFGBuilder took 536.02ms. Allocated memory is still 201.3MB. Free memory was 173.8MB in the beginning and 148.9MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 401.08ms. Allocated memory is still 201.3MB. Free memory was 148.9MB in the beginning and 70.5MB in the end (delta: 78.4MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:08:49,312 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:08:51,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:08:51,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:08:51,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:08:51,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:08:51,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:08:51,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:08:51,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:08:51,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:08:51,762 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:08:51,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:08:51,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:08:51,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:08:51,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:08:51,767 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:08:51,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:08:51,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:08:51,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:08:51,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:08:51,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:08:51,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:08:51,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:08:51,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:08:51,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:08:51,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:08:51,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:08:51,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:08:51,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:08:51,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:08:51,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:08:51,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:08:51,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:08:51,773 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:08:51,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:08:51,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:08:51,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:51,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:08:51,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:08:51,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:08:51,774 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:08:51,774 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:08:51,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:08:51,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:08:51,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:08:51,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:08:51,778 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:08:51,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:08:52,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:08:52,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:08:52,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:08:52,031 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:08:52,032 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:08:52,033 INFO L431 ainManager$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 [2024-09-20 20:08:52,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:08:52,094 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:08:52,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:08:53,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:08:53,768 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:08:53,768 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:08:53,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/13e5a69c9/bfc3a8d3793f4cc3b8c4b2f097cc3898/FLAG66c69ef7a [2024-09-20 20:08:53,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/13e5a69c9/bfc3a8d3793f4cc3b8c4b2f097cc3898 [2024-09-20 20:08:53,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:08:53,788 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:08:53,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:53,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:08:53,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:08:53,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:52" (1/2) ... [2024-09-20 20:08:53,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796644df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:53, skipping insertion in model container [2024-09-20 20:08:53,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:52" (1/2) ... [2024-09-20 20:08:53,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f192133 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:08:53, skipping insertion in model container [2024-09-20 20:08:53,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:53" (2/2) ... [2024-09-20 20:08:53,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796644df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:53, skipping insertion in model container [2024-09-20 20:08:53,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:08:53" (2/2) ... [2024-09-20 20:08:53,839 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:08:53,840 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (main__loop_entered == 0)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) [2024-09-20 20:08:53,840 INFO L1541 ArrayList]: Location invariant before [L102-L136] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-20 20:08:53,840 INFO L1541 ArrayList]: Location invariant before [L105-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-20 20:08:53,840 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-09-20 20:08:53,840 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-20 20:08:53,840 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-20 20:08:53,840 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-20 20:08:53,840 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-20 20:08:53,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:08:54,016 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-20 20:08:54,025 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] [2024-09-20 20:08:54,032 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] [2024-09-20 20:08:54,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:54,044 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-20 20:08:54,081 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-20 20:08:54,086 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-20 20:08:54,098 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/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 [2024-09-20 20:08:54,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:08:54,135 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:08:54,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54 WrapperNode [2024-09-20 20:08:54,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:08:54,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:08:54,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:08:54,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:08:54,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,185 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]. [2024-09-20 20:08:54,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:08:54,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:08:54,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:08:54,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:08:54,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (1/1) ... [2024-09-20 20:08:54,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:08:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:08:54,242 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) [2024-09-20 20:08:54,249 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 [2024-09-20 20:08:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:08:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:08:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:08:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:08:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:08:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:08:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:08:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-20 20:08:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:08:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-20 20:08:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-20 20:08:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:08:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 20:08:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-20 20:08:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:08:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 20:08:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-20 20:08:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 20:08:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-20 20:08:54,366 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:08:54,367 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:08:54,648 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:08:54,712 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:08:54,712 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:08:54,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:54 BoogieIcfgContainer [2024-09-20 20:08:54,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:08:54,713 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:08:54,713 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:08:54,714 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:08:54,715 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:08:52" (1/4) ... [2024-09-20 20:08:54,716 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a1cc219 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:08:54, skipping insertion in model container [2024-09-20 20:08:54,716 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:08:53" (2/4) ... [2024-09-20 20:08:54,717 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a1cc219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:54, skipping insertion in model container [2024-09-20 20:08:54,717 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:08:54" (3/4) ... [2024-09-20 20:08:54,718 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a1cc219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:08:54, skipping insertion in model container [2024-09-20 20:08:54,718 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:08:54" (4/4) ... [2024-09-20 20:08:54,720 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 20:08:54,724 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:08:54,724 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:08:54,725 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-20 20:08:54,726 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-20 20:08:54,726 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 20:08:54,726 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:08:54,726 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-20 20:08:54,727 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-20 20:08:54,727 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-20 20:08:54,727 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-20 20:08:54,727 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-20 20:08:54,727 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:08:54,728 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-20 20:08:54,729 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-20 20:08:54,779 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-20 20:08:54,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:54,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:54,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:54,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:54,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:54,800 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 20:08:54,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:54,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:54,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:54,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:54,807 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:54,819 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:54,842 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-20 20:08:54,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:54,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:54,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:54,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:54,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:54,868 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-20 20:08:54,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:54,869 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:54,870 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:54,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:54,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:08:54,872 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:08:54,896 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-20 20:08:54,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:08:54,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:08:54,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:08:54,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:08:54,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:55,093 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-20 20:08:55,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:08:55,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:08:55,094 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:08:55,094 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:08:55,101 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 20:08:55,102 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 20:08:55,106 INFO L158 Benchmark]: Toolchain (without parser) took 1317.51ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 32.8MB in the beginning and 78.8MB in the end (delta: -46.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-09-20 20:08:55,106 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:55,107 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:08:55,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.80ms. Allocated memory is still 73.4MB. Free memory was 32.6MB in the beginning and 38.0MB in the end (delta: -5.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-09-20 20:08:55,109 INFO L158 Benchmark]: Boogie Preprocessor took 76.89ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 35.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:55,113 INFO L158 Benchmark]: RCFGBuilder took 498.28ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 35.1MB in the beginning and 80.7MB in the end (delta: -45.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 20:08:55,114 INFO L158 Benchmark]: Referee took 391.83ms. Allocated memory is still 119.5MB. Free memory was 80.7MB in the beginning and 78.8MB in the end (delta: 1.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-20 20:08:55,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.80ms. Allocated memory is still 73.4MB. Free memory was 32.6MB in the beginning and 38.0MB in the end (delta: -5.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.89ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 35.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.28ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 35.1MB in the beginning and 80.7MB in the end (delta: -45.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 391.83ms. Allocated memory is still 119.5MB. Free memory was 80.7MB in the beginning and 78.8MB in the end (delta: 1.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:08:55,137 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