./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:13:31,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:13:31,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:13:31,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:13:31,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:13:32,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:13:32,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:13:32,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:13:32,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:13:32,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:13:32,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:13:32,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:13:32,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:13:32,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:13:32,022 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:13:32,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:13:32,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:13:32,023 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:13:32,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:13:32,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:13:32,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:13:32,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:13:32,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:13:32,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:13:32,028 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:13:32,029 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:13:32,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:13:32,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:13:32,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:13:32,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:13:32,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:13:32,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:13:32,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:32,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:13:32,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:13:32,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:13:32,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:13:32,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:13:32,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:13:32,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:13:32,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:13:32,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:13:32,034 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:13:32,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:13:32,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:13:32,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:13:32,303 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:13:32,304 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:13:32,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-12 20:13:32,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:13:32,363 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:13:32,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-12 20:13:33,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:13:33,944 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:13:33,945 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-12 20:13:33,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7d47c8849/0cd396c0689047f1a66bf8382b9f6428/FLAG4e28e8a55 [2024-09-12 20:13:34,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7d47c8849/0cd396c0689047f1a66bf8382b9f6428 [2024-09-12 20:13:34,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:13:34,330 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:13:34,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:34,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:13:34,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:13:34,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:32" (1/2) ... [2024-09-12 20:13:34,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ca21c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:34, skipping insertion in model container [2024-09-12 20:13:34,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:32" (1/2) ... [2024-09-12 20:13:34,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55f9fc6b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:34, skipping insertion in model container [2024-09-12 20:13:34,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:34" (2/2) ... [2024-09-12 20:13:34,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ca21c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34, skipping insertion in model container [2024-09-12 20:13:34,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:34" (2/2) ... [2024-09-12 20:13:34,350 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:13:34,351 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-12 20:13:34,351 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-12 20:13:34,351 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__loop_entered == 0)) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-12 20:13:34,351 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-12 20:13:34,351 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-12 20:13:34,352 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-12 20:13:34,352 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-12 20:13:34,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:13:34,535 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-12 20:13:34,548 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-12 20:13:34,552 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-12 20:13:34,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:34,565 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 20:13:34,589 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-12 20:13:34,597 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-12 20:13:34,639 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 20:13:34,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:34,686 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:13:34,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34 WrapperNode [2024-09-12 20:13:34,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:34,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:13:34,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:13:34,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:13:34,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,749 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 2 writes are split as follows [0, 1, 1]. [2024-09-12 20:13:34,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:13:34,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:13:34,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:13:34,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:13:34,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (1/1) ... [2024-09-12 20:13:34,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:34,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:13:34,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:13:34,815 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:13:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:13:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:13:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:13:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:13:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-12 20:13:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:13:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:13:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:13:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:13:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:13:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:13:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:13:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:13:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:13:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-12 20:13:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-12 20:13:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:13:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:13:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:13:34,960 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:13:34,974 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:13:35,440 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-12 20:13:35,440 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:13:35,630 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:13:35,631 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 20:13:35,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:35 BoogieIcfgContainer [2024-09-12 20:13:35,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:13:35,633 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:13:35,633 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:13:35,634 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:13:35,634 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:32" (1/4) ... [2024-09-12 20:13:35,635 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52f05e93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:13:35, skipping insertion in model container [2024-09-12 20:13:35,636 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:13:34" (2/4) ... [2024-09-12 20:13:35,636 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52f05e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:13:35, skipping insertion in model container [2024-09-12 20:13:35,636 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:34" (3/4) ... [2024-09-12 20:13:35,637 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52f05e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:13:35, skipping insertion in model container [2024-09-12 20:13:35,638 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:35" (4/4) ... [2024-09-12 20:13:35,639 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-12 20:13:35,644 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 20:13:35,645 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr25ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,645 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,645 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,646 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr39ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,646 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,646 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,646 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,648 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,648 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,648 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,648 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 16 edges. [2024-09-12 20:13:35,651 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr38ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,651 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr42ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,651 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,651 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr26ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-12 20:13:35,651 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,652 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,652 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,652 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr44ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,652 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:13:35,652 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,653 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr46ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,653 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr40ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,653 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,653 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 20:13:35,654 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,654 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,654 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr41ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,655 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr47ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-12 20:13:35,655 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,655 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr37ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,655 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr45ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,656 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr36ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,657 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr35ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,658 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,658 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr43ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:35,658 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:35,658 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-12 20:13:35,658 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,658 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 16 edges. [2024-09-12 20:13:35,659 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:35,659 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:35,659 INFO L130 InvariantChecker]: Will check 48 loop-free subgraphs from procedure entry to error location [2024-09-12 20:13:35,719 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 20:13:35,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:35,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:35,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:35,723 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:35,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:35,779 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-12 20:13:35,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:35,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:35,781 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:35,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:35,786 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 20:13:35,814 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 20:13:35,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:35,814 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:35,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:35,815 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:35,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:35,857 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-12 20:13:35,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:35,858 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:35,858 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:35,858 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:35,861 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 20:13:35,880 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 20:13:35,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:35,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:35,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:35,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:35,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:35,914 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-12 20:13:35,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:35,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:35,916 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:35,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:35,918 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 20:13:35,941 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 37 edges [2024-09-12 20:13:35,941 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:35,941 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:35,941 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:35,941 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:35,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:36,034 INFO L101 BaseMinimizeStates]: Removed 103 edges and 27 locations by large block encoding [2024-09-12 20:13:36,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:36,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:36,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:36,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:36,045 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-12 20:13:36,046 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 20:13:36,052 INFO L158 Benchmark]: Toolchain (without parser) took 1720.93ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 87.1MB in the beginning and 59.0MB in the end (delta: 28.1MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2024-09-12 20:13:36,053 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:36,053 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:36,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.25ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 70.8MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:13:36,055 INFO L158 Benchmark]: Boogie Preprocessor took 95.84ms. Allocated memory is still 144.7MB. Free memory was 70.8MB in the beginning and 67.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 20:13:36,056 INFO L158 Benchmark]: RCFGBuilder took 848.15ms. Allocated memory is still 144.7MB. Free memory was 67.8MB in the beginning and 49.2MB in the end (delta: 18.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-09-12 20:13:36,057 INFO L158 Benchmark]: Referee took 417.59ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 49.2MB in the beginning and 59.0MB in the end (delta: -9.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:36,060 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 144.7MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.25ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 70.8MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.84ms. Allocated memory is still 144.7MB. Free memory was 70.8MB in the beginning and 67.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 848.15ms. Allocated memory is still 144.7MB. Free memory was 67.8MB in the beginning and 49.2MB in the end (delta: 18.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Referee took 417.59ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 49.2MB in the beginning and 59.0MB in the end (delta: -9.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:13:36,091 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/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:13:38,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:13:38,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 20:13:38,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:13:38,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:13:38,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:13:38,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:13:38,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:13:38,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:13:38,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:13:38,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:13:38,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:13:38,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:13:38,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:13:38,402 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:13:38,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:13:38,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:13:38,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:13:38,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:13:38,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:13:38,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:13:38,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:13:38,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:13:38,408 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 20:13:38,408 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 20:13:38,409 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:13:38,409 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 20:13:38,409 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:13:38,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:13:38,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:13:38,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:13:38,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:13:38,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:13:38,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:13:38,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:38,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:13:38,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:13:38,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:13:38,413 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 20:13:38,413 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 20:13:38,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:13:38,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:13:38,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:13:38,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:13:38,415 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 20:13:38,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:13:38,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:13:38,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:13:38,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:13:38,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:13:38,751 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:13:38,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-12 20:13:40,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:13:40,553 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:13:40,554 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-12 20:13:40,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/77c77471b/6c504b5b69c2474bbb7343c36fff921a/FLAG21a2c8b83 [2024-09-12 20:13:40,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/77c77471b/6c504b5b69c2474bbb7343c36fff921a [2024-09-12 20:13:40,575 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:13:40,575 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:13:40,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-12 20:13:40,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:13:40,637 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:13:40,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:40,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:13:40,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:13:40,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:40" (1/2) ... [2024-09-12 20:13:40,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e79d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:40, skipping insertion in model container [2024-09-12 20:13:40,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:40" (1/2) ... [2024-09-12 20:13:40,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@319b6a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:40, skipping insertion in model container [2024-09-12 20:13:40,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:40" (2/2) ... [2024-09-12 20:13:40,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e79d66 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:40, skipping insertion in model container [2024-09-12 20:13:40,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:40" (2/2) ... [2024-09-12 20:13:40,663 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:13:40,664 INFO L1541 ArrayList]: Location invariant before [L160-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-12 20:13:40,665 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-12 20:13:40,665 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-12 20:13:40,665 INFO L1541 ArrayList]: Location invariant before [L155-L195] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-12 20:13:40,666 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__loop_entered == 0)) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-12 20:13:40,666 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-12 20:13:40,666 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-12 20:13:40,691 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:13:40,868 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-12 20:13:40,880 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] [2024-09-12 20:13:40,887 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] [2024-09-12 20:13:40,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:40,912 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 20:13:40,928 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[2334,2347] [2024-09-12 20:13:40,933 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-12 20:13:40,974 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+nlh-reducer.c[5247,5260] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 20:13:40,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:41,017 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:13:41,017 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41 WrapperNode [2024-09-12 20:13:41,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:41,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:13:41,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:13:41,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:13:41,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,084 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 2 writes are split as follows [0, 1, 1]. [2024-09-12 20:13:41,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:13:41,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:13:41,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:13:41,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:13:41,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (1/1) ... [2024-09-12 20:13:41,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:41,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:13:41,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:13:41,153 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:13:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:13:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:13:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:13:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:13:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-12 20:13:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:13:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:13:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:13:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-12 20:13:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-12 20:13:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-09-12 20:13:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-12 20:13:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-09-12 20:13:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-09-12 20:13:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-09-12 20:13:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:13:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:13:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-12 20:13:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-12 20:13:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-09-12 20:13:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:13:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-12 20:13:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-12 20:13:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-09-12 20:13:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-12 20:13:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-12 20:13:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-09-12 20:13:41,307 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:13:41,309 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:13:41,839 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-12 20:13:41,839 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:13:42,072 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:13:42,073 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 20:13:42,073 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:42 BoogieIcfgContainer [2024-09-12 20:13:42,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:13:42,074 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:13:42,074 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:13:42,075 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:13:42,075 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:13:40" (1/4) ... [2024-09-12 20:13:42,076 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bddabe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:13:42, skipping insertion in model container [2024-09-12 20:13:42,076 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:40" (2/4) ... [2024-09-12 20:13:42,076 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bddabe7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:13:42, skipping insertion in model container [2024-09-12 20:13:42,076 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:41" (3/4) ... [2024-09-12 20:13:42,076 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bddabe7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:13:42, skipping insertion in model container [2024-09-12 20:13:42,077 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:42" (4/4) ... [2024-09-12 20:13:42,078 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-12 20:13:42,081 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 20:13:42,082 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr25ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,082 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,082 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,083 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr39ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,083 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,083 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,083 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,083 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,084 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,084 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,084 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,084 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 16 edges. [2024-09-12 20:13:42,084 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr38ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,084 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr42ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,085 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,085 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr26ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-12 20:13:42,085 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,087 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,088 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,088 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr44ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,088 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:13:42,089 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,089 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr46ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,089 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr40ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,089 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,090 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 20:13:42,090 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,090 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,090 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr41ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,090 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr47ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 38 edges. [2024-09-12 20:13:42,091 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,091 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr37ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,091 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr45ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,091 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,091 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,092 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,092 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr14ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,092 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,092 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr36ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,092 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr35ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,094 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,094 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr43ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 37 edges. [2024-09-12 20:13:42,094 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:13:42,094 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr13ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 16 edges. [2024-09-12 20:13:42,094 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,095 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 16 edges. [2024-09-12 20:13:42,095 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 32 edges. [2024-09-12 20:13:42,095 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 30 edges. [2024-09-12 20:13:42,095 INFO L130 InvariantChecker]: Will check 48 loop-free subgraphs from procedure entry to error location [2024-09-12 20:13:42,139 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 20:13:42,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:42,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:42,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:42,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:42,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:42,191 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-12 20:13:42,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:42,193 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:42,193 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:42,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:42,197 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 20:13:42,233 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 20:13:42,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:42,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:42,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:42,234 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:42,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:42,278 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-12 20:13:42,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:42,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:42,279 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:42,279 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:42,280 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 20:13:42,308 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-12 20:13:42,308 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:42,308 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:42,308 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:42,308 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:42,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:42,350 INFO L101 BaseMinimizeStates]: Removed 76 edges and 23 locations by large block encoding [2024-09-12 20:13:42,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:42,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:42,352 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:42,352 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:42,353 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-12 20:13:42,372 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 37 edges [2024-09-12 20:13:42,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:42,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:42,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:42,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:42,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:42,466 INFO L101 BaseMinimizeStates]: Removed 103 edges and 27 locations by large block encoding [2024-09-12 20:13:42,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:42,467 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:42,467 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:42,467 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:42,472 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-12 20:13:42,473 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 20:13:42,478 INFO L158 Benchmark]: Toolchain (without parser) took 1839.87ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 59.0MB in the beginning and 47.1MB in the end (delta: 11.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-09-12 20:13:42,478 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 62.9MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:42,479 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:42,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.02ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 41.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 20:13:42,480 INFO L158 Benchmark]: Boogie Preprocessor took 99.12ms. Allocated memory is still 90.2MB. Free memory was 41.8MB in the beginning and 66.3MB in the end (delta: -24.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 20:13:42,481 INFO L158 Benchmark]: RCFGBuilder took 955.20ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 58.6MB in the end (delta: 7.7MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-09-12 20:13:42,482 INFO L158 Benchmark]: Referee took 402.29ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 58.6MB in the beginning and 47.1MB in the end (delta: 11.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-09-12 20:13:42,485 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 0.95ms. Allocated memory is still 62.9MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 90.2MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.02ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 41.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.12ms. Allocated memory is still 90.2MB. Free memory was 41.8MB in the beginning and 66.3MB in the end (delta: -24.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 955.20ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 58.6MB in the end (delta: 7.7MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Referee took 402.29ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 58.6MB in the beginning and 47.1MB in the end (delta: 11.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:13:42,514 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