./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/simple-recursive.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c ../results/automizer-verification-files/SV-COMP24_unreach-call/simple-recursive.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:54:38,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:38,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:38,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:38,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:38,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:38,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:38,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:38,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:38,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:38,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:38,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:38,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:38,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:38,822 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:38,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:38,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:38,823 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:38,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:38,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:38,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:38,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:38,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:38,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:38,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:38,825 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:38,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:38,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:38,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:38,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:38,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:38,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:38,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:38,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:38,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:38,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:38,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:38,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:38,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:38,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:38,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:38,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:38,830 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:39,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:39,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:39,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:39,100 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:39,101 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:39,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple-recursive.yml/witness-2.1.yml [2024-09-11 20:54:39,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:39,184 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:39,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2024-09-11 20:54:40,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:40,556 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:40,557 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2024-09-11 20:54:40,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0b1457f90/0c51dc946baf436aa44309846193085a/FLAGed238fe58 [2024-09-11 20:54:40,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0b1457f90/0c51dc946baf436aa44309846193085a [2024-09-11 20:54:40,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:40,967 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:40,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:40,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:40,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:40,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:39" (1/2) ... [2024-09-11 20:54:40,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b6c0e2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:39" (1/2) ... [2024-09-11 20:54:40,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4afe04b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:40" (2/2) ... [2024-09-11 20:54:40,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b6c0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:40" (2/2) ... [2024-09-11 20:54:40,977 INFO L90 nessWitnessExtractor]: Witness did not contain any usable entries. [2024-09-11 20:54:40,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:41,132 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/recursive-with-pointer/simple-recursive.c[439,452] [2024-09-11 20:54:41,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:41,151 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:54:41,162 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/recursive-with-pointer/simple-recursive.c[439,452] [2024-09-11 20:54:41,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:41,178 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:41,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41 WrapperNode [2024-09-11 20:54:41,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:41,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:41,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:41,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:41,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,214 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]. [2024-09-11 20:54:41,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:41,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:41,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:41,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:41,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:41,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:41,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:54:41,269 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:54:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-09-11 20:54:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-09-11 20:54:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:54:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-11 20:54:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:41,405 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:41,406 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:41,519 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:41,519 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:41,537 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:41,538 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:41,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:41 BoogieIcfgContainer [2024-09-11 20:54:41,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:41,539 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:41,539 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:41,540 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:41,540 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:39" (1/4) ... [2024-09-11 20:54:41,540 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32ff7490 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,540 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:40" (2/4) ... [2024-09-11 20:54:41,541 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32ff7490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,541 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (3/4) ... [2024-09-11 20:54:41,541 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32ff7490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,541 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:41" (4/4) ... [2024-09-11 20:54:41,542 INFO L79 RefereeObserver]: Analyzing ICFG simple-recursive.c [2024-09-11 20:54:41,545 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:41,546 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC fooErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-11 20:54:41,548 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:41,575 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:54:41,576 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:41,576 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:41,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:41,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:41,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,588 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:54:41,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:41,590 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:41,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:41,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:41,615 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-11 20:54:41,616 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-09-11 20:54:41,617 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-11 20:54:41,617 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-09-11 20:54:41,618 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:54:41,618 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32ff7490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,618 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:41,619 INFO L158 Benchmark]: Toolchain (without parser) took 652.22ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 82.2MB in the beginning and 182.6MB in the end (delta: -100.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:41,620 INFO L158 Benchmark]: Witness Parser took 0.86ms. Allocated memory is still 155.2MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:41,620 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:41,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.62ms. Allocated memory is still 155.2MB. Free memory was 81.9MB in the beginning and 70.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,621 INFO L158 Benchmark]: Boogie Preprocessor took 41.40ms. Allocated memory is still 155.2MB. Free memory was 70.6MB in the beginning and 68.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,622 INFO L158 Benchmark]: RCFGBuilder took 316.88ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 68.5MB in the beginning and 189.9MB in the end (delta: -121.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,622 INFO L158 Benchmark]: Referee took 79.09ms. Allocated memory is still 226.5MB. Free memory was 189.9MB in the beginning and 182.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,624 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. [2024-09-11 20:54:41,626 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-11 20:54:41,626 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-09-11 20:54:41,626 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-11 20:54:41,626 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-09-11 20:54:41,627 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-11 20:54:41,627 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-09-11 20:54:41,627 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-09-11 20:54:41,627 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure foo to check that a call to reach_error is unreachable at line 18. One counterexample starts in \old(p)={2:3} and ends in \old(p)={2:3}, p={0:0}. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.86ms. Allocated memory is still 155.2MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.62ms. Allocated memory is still 155.2MB. Free memory was 81.9MB in the beginning and 70.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.40ms. Allocated memory is still 155.2MB. Free memory was 70.6MB in the beginning and 68.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.88ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 68.5MB in the beginning and 189.9MB in the end (delta: -121.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Referee took 79.09ms. Allocated memory is still 226.5MB. Free memory was 189.9MB in the beginning and 182.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[#in~p!base,]]] - 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[#in~p!base,]]] - 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[#in~p!base,]]] - 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[#in~p!base,]]] - 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[#in~p!base,]]] - 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[#in~p!base,]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:41,648 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