./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_nested_1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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-simple/recursified_nested_1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_nested_1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:11:37,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:11:37,397 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:11:37,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:11:37,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:11:37,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:11:37,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:11:37,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:11:37,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:11:37,433 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:11:37,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:11:37,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:11:37,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:11:37,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:11:37,435 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:11:37,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:11:37,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:11:37,436 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:11:37,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:11:37,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:11:37,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:11:37,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:11:37,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:11:37,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:11:37,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:11:37,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:11:37,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:11:37,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:11:37,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:11:37,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:11:37,441 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:11:37,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:11:37,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:11:37,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:11:37,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:11:37,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:11:37,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:11:37,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:11:37,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:11:37,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:11:37,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:11:37,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:11:37,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:11:37,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:11:37,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:11:37,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:11:37,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:11:37,703 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:11:37,704 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:11:37,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_nested_1.yml/witness-2.1.yml [2024-09-13 05:11:37,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:11:37,757 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:11:37,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c [2024-09-13 05:11:39,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:11:39,386 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:11:39,387 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c [2024-09-13 05:11:39,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/226adfc80/cf2ddba0921849dc9a87a5938be92cb8/FLAG35275d080 [2024-09-13 05:11:39,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/226adfc80/cf2ddba0921849dc9a87a5938be92cb8 [2024-09-13 05:11:39,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:11:39,420 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:11:39,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:11:39,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:11:39,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:11:39,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:37" (1/2) ... [2024-09-13 05:11:39,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db13c5e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:11:39, skipping insertion in model container [2024-09-13 05:11:39,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:37" (1/2) ... [2024-09-13 05:11:39,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@654be711 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:11:39, skipping insertion in model container [2024-09-13 05:11:39,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:11:39" (2/2) ... [2024-09-13 05:11:39,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db13c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39, skipping insertion in model container [2024-09-13 05:11:39,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:11:39" (2/2) ... [2024-09-13 05:11:39,440 INFO L90 nessWitnessExtractor]: Witness did not contain any usable entries. [2024-09-13 05:11:39,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:11:39,604 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-simple/recursified_nested_1.c[1277,1290] [2024-09-13 05:11:39,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:11:39,632 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:11:39,646 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-simple/recursified_nested_1.c[1277,1290] [2024-09-13 05:11:39,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:11:39,661 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:11:39,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39 WrapperNode [2024-09-13 05:11:39,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:11:39,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:11:39,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:11:39,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:11:39,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,681 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,697 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 2 writes are split as follows [0, 2]. [2024-09-13 05:11:39,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:11:39,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:11:39,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:11:39,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:11:39,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (1/1) ... [2024-09-13 05:11:39,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:11:39,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:11:39,749 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) [2024-09-13 05:11:39,757 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 [2024-09-13 05:11:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:11:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:11:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:11:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_19_to_19_0 [2024-09-13 05:11:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:11:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:11:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:11:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:11:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_19_to_19_0 [2024-09-13 05:11:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:11:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 05:11:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:11:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 05:11:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:11:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 05:11:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:11:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 05:11:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:11:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:11:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:11:39,877 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:11:39,879 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:11:39,959 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:11:39,983 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:11:39,983 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:11:39,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:11:39 BoogieIcfgContainer [2024-09-13 05:11:39,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:11:39,984 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:11:39,984 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:11:39,985 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:11:39,985 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:37" (1/4) ... [2024-09-13 05:11:39,985 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7acb8924 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:11:39, skipping insertion in model container [2024-09-13 05:11:39,985 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:11:39" (2/4) ... [2024-09-13 05:11:39,986 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7acb8924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:11:39, skipping insertion in model container [2024-09-13 05:11:39,986 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:39" (3/4) ... [2024-09-13 05:11:39,986 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7acb8924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:11:39, skipping insertion in model container [2024-09-13 05:11:39,986 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:11:39" (4/4) ... [2024-09-13 05:11:39,987 INFO L79 RefereeObserver]: Analyzing ICFG recursified_nested_1.c [2024-09-13 05:11:39,990 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:11:39,991 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-13 05:11:39,992 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to error location [2024-09-13 05:11:40,028 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:11:40,029 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:40,030 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:40,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:40,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:40,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:40,098 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:11:40,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:40,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:40,099 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:40,100 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:40,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:11:40,141 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 05:11:40,142 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 05:11:40,142 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier1,QUANTIFIED]]] [2024-09-13 05:11:40,152 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 05:11:40,152 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#a~0!base,]]] [2024-09-13 05:11:40,155 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 05:11:40,155 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 05:11:40,156 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7acb8924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:11:40, skipping insertion in model container [2024-09-13 05:11:40,156 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:11:40,158 INFO L158 Benchmark]: Toolchain (without parser) took 736.71ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 92.7MB in the beginning and 203.8MB in the end (delta: -111.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-09-13 05:11:40,158 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:40,159 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 151.0MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:40,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.32ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 81.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:11:40,160 INFO L158 Benchmark]: Boogie Preprocessor took 43.53ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 79.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:11:40,161 INFO L158 Benchmark]: RCFGBuilder took 275.92ms. Allocated memory is still 151.0MB. Free memory was 79.5MB in the beginning and 68.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:11:40,161 INFO L158 Benchmark]: Referee took 172.02ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 68.3MB in the beginning and 203.8MB in the end (delta: -135.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-09-13 05:11:40,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. [2024-09-13 05:11:40,168 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 05:11:40,168 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier4,QUANTIFIED]]] [2024-09-13 05:11:40,168 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 05:11:40,169 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 05:11:40,169 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#a~0!base,]]] [2024-09-13 05:11:40,169 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 05:11:40,169 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 05:11:40,169 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier7,QUANTIFIED]]] [2024-09-13 05:11:40,170 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 05:11:40,170 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-13 05:11:40,170 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#a~0!base,]]] [2024-09-13 05:11:40,171 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 48. One counterexample starts in and ends in a={-1:0}. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.15ms. Allocated memory is still 151.0MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.32ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 81.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.53ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 79.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.92ms. Allocated memory is still 151.0MB. Free memory was 79.5MB in the beginning and 68.3MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 172.02ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 68.3MB in the beginning and 203.8MB in the end (delta: -135.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier1,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#a~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier4,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#a~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[freshIdentifier7,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#a~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:11:40,193 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE