./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+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:49:44,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:49:44,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:49:44,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:49:44,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:49:44,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:49:44,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:49:44,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:49:44,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:49:44,698 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:49:44,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:49:44,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:49:44,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:49:44,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:49:44,700 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:49:44,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:49:44,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:49:44,700 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:49:44,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:49:44,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:49:44,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:49:44,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:49:44,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:49:44,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:49:44,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:49:44,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:49:44,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:49:44,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:49:44,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:49:44,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:49:44,704 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:49:44,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:49:44,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:49:44,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:44,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:49:44,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:49:44,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:49:44,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:49:44,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:49:44,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:49:44,707 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:49:44,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:49:44,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:49:44,710 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:49:44,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:49:44,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:49:44,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:49:44,940 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:49:44,941 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:49:44,942 INFO L431 ainManager$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+lhb-reducer.yml/witness-2.1.yml [2024-09-25 11:49:45,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:49:45,002 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:49:45,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 11:49:46,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:49:46,386 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:49:46,386 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 11:49:46,393 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a5f025c69/7b555ca928a048b595e0fdd01af2b584/FLAGb0887ffa0 [2024-09-25 11:49:46,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a5f025c69/7b555ca928a048b595e0fdd01af2b584 [2024-09-25 11:49:46,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:49:46,800 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:49:46,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:46,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:49:46,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:49:46,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:45" (1/2) ... [2024-09-25 11:49:46,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2889f837 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:46, skipping insertion in model container [2024-09-25 11:49:46,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:45" (1/2) ... [2024-09-25 11:49:46,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31546f0c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:46, skipping insertion in model container [2024-09-25 11:49:46,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:46" (2/2) ... [2024-09-25 11:49:46,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2889f837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:46, skipping insertion in model container [2024-09-25 11:49:46,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:46" (2/2) ... [2024-09-25 11:49:46,825 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:49:46,826 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-25 11:49:46,827 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-25 11:49:46,827 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-25 11:49:46,827 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-25 11:49:46,827 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) && (main__loop_entered == 0)) [2024-09-25 11:49:46,827 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-25 11:49:46,827 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-25 11:49:46,827 INFO L1541 ArrayList]: Function contract at [L36]: requires null, ensures (((__tmp_155_0 == \old(__tmp_155_0)) && (__return_main == \old(__return_main))) && (\old(__return_136) == __return_136)) [2024-09-25 11:49:46,827 INFO L1541 ArrayList]: Function contract at [L53]: requires null, ensures ((__return_main == \old(__return_main)) && (\old(__return_136) == __return_136)) [2024-09-25 11:49:46,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:49:47,003 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-25 11:49:47,024 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] [2024-09-25 11:49:47,030 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] [2024-09-25 11:49:47,034 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] [2024-09-25 11:49:47,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:47,055 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:49:47,094 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-25 11:49:47,096 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-25 11:49:47,105 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:49:47,116 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-25 11:49:47,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:47,133 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:49:47,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47 WrapperNode [2024-09-25 11:49:47,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:47,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:49:47,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:49:47,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:49:47,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,179 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:49:47,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:49:47,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:49:47,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:49:47,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:49:47,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (1/1) ... [2024-09-25 11:49:47,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:47,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:49:47,240 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) [2024-09-25 11:49:47,242 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 [2024-09-25 11:49:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:49:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:49:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:49:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:49:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 11:49:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:49:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:49:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:49:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:49:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:49:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:49:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:49:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:49:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:49:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 11:49:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:49:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:49:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 11:49:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:49:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:49:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:49:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:49:47,354 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:49:47,356 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:49:47,627 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:49:47,672 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:49:47,672 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:49:47,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:47 BoogieIcfgContainer [2024-09-25 11:49:47,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:49:47,674 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:49:47,674 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:49:47,675 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:49:47,675 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:45" (1/4) ... [2024-09-25 11:49:47,675 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b331267 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:47, skipping insertion in model container [2024-09-25 11:49:47,675 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:49:46" (2/4) ... [2024-09-25 11:49:47,676 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b331267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:49:47, skipping insertion in model container [2024-09-25 11:49:47,677 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:47" (3/4) ... [2024-09-25 11:49:47,677 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7b331267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:49:47, skipping insertion in model container [2024-09-25 11:49:47,677 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:47" (4/4) ... [2024-09-25 11:49:47,678 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 11:49:47,682 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:49:47,683 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:49:47,683 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-25 11:49:47,683 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 11:49:47,684 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 11:49:47,684 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 42 edges. [2024-09-25 11:49:47,684 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 11:49:47,685 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-25 11:49:47,686 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-25 11:49:47,686 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:49:47,686 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 57 edges. [2024-09-25 11:49:47,687 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:49:47,687 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-25 11:49:47,687 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC func_to_recursive_line_20_to_22_0Err0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:49:47,687 INFO L131 InvariantChecker]: Will check 13 loop-free subgraphs from procedure entry to error location [2024-09-25 11:49:47,729 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:49:47,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:47,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:47,731 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:47,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:47,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:47,758 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:49:47,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:47,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:47,759 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:47,760 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:47,760 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:47,777 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:49:47,800 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 11:49:47,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:47,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:47,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:47,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:47,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:47,827 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-25 11:49:47,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:47,828 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:47,828 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:47,828 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:47,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:47,834 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:49:47,853 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 11:49:47,854 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:47,854 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:47,854 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:47,854 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:47,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:47,875 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-25 11:49:47,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:47,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:47,875 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:47,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:47,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:47,880 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:49:47,897 INFO L314 BlockEncoder]: Initial Icfg 27 locations, 31 edges [2024-09-25 11:49:47,898 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:47,898 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:47,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:47,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:47,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:47,970 INFO L101 BaseMinimizeStates]: Removed 76 edges and 24 locations by large block encoding [2024-09-25 11:49:47,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:47,971 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:47,972 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:47,972 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:47,973 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 11:49:47,989 INFO L314 BlockEncoder]: Initial Icfg 36 locations, 42 edges [2024-09-25 11:49:47,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:47,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:47,990 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:47,990 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:47,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:48,068 INFO L101 BaseMinimizeStates]: Removed 99 edges and 32 locations by large block encoding [2024-09-25 11:49:48,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:48,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:48,069 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:48,069 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:48,079 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-25 11:49:48,080 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 11:49:48,085 INFO L158 Benchmark]: Toolchain (without parser) took 1282.36ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 62.6MB in the beginning and 77.0MB in the end (delta: -14.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-09-25 11:49:48,085 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 134.2MB. Free memory was 97.9MB in the beginning and 97.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:48,086 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:48,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.37ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 62.4MB in the beginning and 132.6MB in the end (delta: -70.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-09-25 11:49:48,086 INFO L158 Benchmark]: Boogie Preprocessor took 74.03ms. Allocated memory is still 165.7MB. Free memory was 132.6MB in the beginning and 129.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:49:48,087 INFO L158 Benchmark]: RCFGBuilder took 464.63ms. Allocated memory is still 165.7MB. Free memory was 129.6MB in the beginning and 103.6MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-25 11:49:48,087 INFO L158 Benchmark]: Referee took 408.17ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 77.0MB in the end (delta: 26.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-09-25 11:49:48,093 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 134.2MB. Free memory was 97.9MB in the beginning and 97.7MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.37ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 62.4MB in the beginning and 132.6MB in the end (delta: -70.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.03ms. Allocated memory is still 165.7MB. Free memory was 132.6MB in the beginning and 129.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 464.63ms. Allocated memory is still 165.7MB. Free memory was 129.6MB in the beginning and 103.6MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 408.17ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 77.0MB in the end (delta: 26.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:49:48,118 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/11.0.12-open/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+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:49:49,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:49:50,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:49:50,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:49:50,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:49:50,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:49:50,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:49:50,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:49:50,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:49:50,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:49:50,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:49:50,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:49:50,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:49:50,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:49:50,054 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:49:50,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:49:50,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:49:50,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:49:50,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:49:50,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:49:50,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:49:50,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:49:50,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:49:50,056 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:49:50,056 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:49:50,056 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:49:50,057 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:49:50,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:49:50,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:49:50,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:49:50,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:49:50,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:49:50,073 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:49:50,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:49:50,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:49:50,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:50,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:49:50,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:49:50,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:49:50,075 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:49:50,075 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:49:50,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:49:50,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:49:50,075 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:49:50,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:49:50,076 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:49:50,076 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:49:50,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:49:50,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:49:50,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:49:50,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:49:50,359 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:49:50,360 INFO L431 ainManager$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+lhb-reducer.c [2024-09-25 11:49:51,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:49:51,821 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:49:51,821 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 11:49:51,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f867aee19/28be2046ca7c453cbdbb02139eba5add/FLAGbab84f8aa [2024-09-25 11:49:51,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f867aee19/28be2046ca7c453cbdbb02139eba5add [2024-09-25 11:49:51,843 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:49:51,843 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:49:51,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-25 11:49:51,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:49:51,891 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:49:51,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:51,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:49:51,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:49:51,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:51" (1/2) ... [2024-09-25 11:49:51,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d879b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:51, skipping insertion in model container [2024-09-25 11:49:51,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:51" (1/2) ... [2024-09-25 11:49:51,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15f81d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:51, skipping insertion in model container [2024-09-25 11:49:51,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:51" (2/2) ... [2024-09-25 11:49:51,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d879b3f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:51, skipping insertion in model container [2024-09-25 11:49:51,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:51" (2/2) ... [2024-09-25 11:49:51,916 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:49:51,917 INFO L1541 ArrayList]: Location invariant before [L111-L143] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-25 11:49:51,917 INFO L1541 ArrayList]: Location invariant before [L74-L212] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) && (main__loop_entered == 0)) [2024-09-25 11:49:51,917 INFO L1541 ArrayList]: Location invariant before [L157-L190] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-25 11:49:51,917 INFO L1541 ArrayList]: Location invariant before [L93-L202] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-25 11:49:51,917 INFO L1541 ArrayList]: Location invariant before [L72-L217] 0 [2024-09-25 11:49:51,917 INFO L1541 ArrayList]: Location invariant before [L69-L252] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-25 11:49:51,918 INFO L1541 ArrayList]: Location invariant before [L109-L148] 0 [2024-09-25 11:49:51,918 INFO L1541 ArrayList]: Function contract at [L53]: requires null, ensures ((__return_main == \old(__return_main)) && (\old(__return_136) == __return_136)) [2024-09-25 11:49:51,918 INFO L1541 ArrayList]: Function contract at [L36]: requires null, ensures (((__tmp_155_0 == \old(__tmp_155_0)) && (__return_main == \old(__return_main))) && (\old(__return_136) == __return_136)) [2024-09-25 11:49:51,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:49:52,084 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-25 11:49:52,092 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] [2024-09-25 11:49:52,095 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] [2024-09-25 11:49:52,099 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] [2024-09-25 11:49:52,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:52,115 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:49:52,152 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[2334,2347] [2024-09-25 11:49:52,156 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[3766,3779] Start Parsing Local Start Parsing Local [2024-09-25 11:49:52,167 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[5193,5206] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:49:52,181 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_array_index_value_4.i.v+lhb-reducer.c[7003,7016] Start Parsing Local [2024-09-25 11:49:52,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:52,197 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:49:52,197 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:52 WrapperNode [2024-09-25 11:49:52,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:52,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:49:52,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:49:52,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:49:52,216 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,217 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,225 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,240 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:49:52,243 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,243 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,257 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,259 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,260 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,263 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:49:52,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:49:52,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:49:52,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:49:52,270 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 25.09 11:49:52" (1/1) ... [2024-09-25 11:49:52,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:52,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:49:52,292 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) [2024-09-25 11:49:52,294 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 [2024-09-25 11:49:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:49:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:49:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:49:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:49:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 11:49:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:49:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:49:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:49:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:49:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:49:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:49:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:49:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_22_0 [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:49:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:49:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:49:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:49:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:49:52,405 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:49:52,406 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:49:52,661 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:49:52,706 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:49:52,706 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:49:52,706 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:52 BoogieIcfgContainer [2024-09-25 11:49:52,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:49:52,707 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:49:52,707 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:49:52,709 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:49:52,709 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:49:51" (1/4) ... [2024-09-25 11:49:52,710 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48507cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:49:52, skipping insertion in model container [2024-09-25 11:49:52,710 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:51" (2/4) ... [2024-09-25 11:49:52,710 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48507cac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:52, skipping insertion in model container [2024-09-25 11:49:52,710 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 25.09 11:49:52" (3/4) ... [2024-09-25 11:49:52,710 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48507cac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:52, skipping insertion in model container [2024-09-25 11:49:52,710 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:52" (4/4) ... [2024-09-25 11:49:52,711 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-25 11:49:52,714 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:49:52,715 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:49:52,715 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-25 11:49:52,715 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 11:49:52,715 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 11:49:52,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 42 edges. [2024-09-25 11:49:52,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 11:49:52,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-25 11:49:52,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 41 edges. [2024-09-25 11:49:52,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:49:52,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 57 edges. [2024-09-25 11:49:52,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:49:52,717 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-25 11:49:52,717 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC func_to_recursive_line_20_to_22_0Err0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:49:52,717 INFO L131 InvariantChecker]: Will check 13 loop-free subgraphs from procedure entry to error location [2024-09-25 11:49:52,770 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:49:52,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:52,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:52,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:52,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:52,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:52,799 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:49:52,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:52,800 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:52,800 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:52,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:52,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:52,815 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:49:52,837 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 11:49:52,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:52,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:52,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:52,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:52,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:52,863 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-25 11:49:52,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:52,863 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:52,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:52,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:52,866 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:52,867 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:49:52,878 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 11:49:52,878 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:52,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:52,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:52,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:52,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:52,907 INFO L101 BaseMinimizeStates]: Removed 37 edges and 14 locations by large block encoding [2024-09-25 11:49:52,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:52,907 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:52,907 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:52,907 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:52,908 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:52,912 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:49:52,925 INFO L314 BlockEncoder]: Initial Icfg 27 locations, 31 edges [2024-09-25 11:49:52,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:52,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:52,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:52,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:52,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:52,977 INFO L101 BaseMinimizeStates]: Removed 76 edges and 24 locations by large block encoding [2024-09-25 11:49:52,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:52,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:52,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:52,978 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:52,979 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 11:49:53,005 INFO L314 BlockEncoder]: Initial Icfg 36 locations, 42 edges [2024-09-25 11:49:53,005 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:53,006 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:53,006 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:53,006 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:53,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:53,072 INFO L101 BaseMinimizeStates]: Removed 99 edges and 32 locations by large block encoding [2024-09-25 11:49:53,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:53,073 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:53,073 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:53,073 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:53,081 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-25 11:49:53,082 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 11:49:53,087 INFO L158 Benchmark]: Toolchain (without parser) took 1195.46ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 31.4MB in the end (delta: 15.8MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,087 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 44.0MB. Free memory was 27.4MB in the beginning and 27.4MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:53,088 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 49.3MB in the end (delta: 235.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:53,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.01ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 29.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,089 INFO L158 Benchmark]: Boogie Preprocessor took 69.96ms. Allocated memory is still 69.2MB. Free memory was 29.8MB in the beginning and 46.9MB in the end (delta: -17.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,089 INFO L158 Benchmark]: RCFGBuilder took 438.42ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 46.9MB in the beginning and 60.2MB in the end (delta: -13.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,090 INFO L158 Benchmark]: Referee took 377.62ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 31.4MB in the end (delta: 28.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,093 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 0.26ms. Allocated memory is still 44.0MB. Free memory was 27.4MB in the beginning and 27.4MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 49.3MB in the end (delta: 235.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.01ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 29.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.96ms. Allocated memory is still 69.2MB. Free memory was 29.8MB in the beginning and 46.9MB in the end (delta: -17.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 438.42ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 46.9MB in the beginning and 60.2MB in the end (delta: -13.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Referee took 377.62ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 31.4MB in the end (delta: 28.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:49:53,118 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug