./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/afterrec-2.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec-2.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-simple/afterrec-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:13:17,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:13:17,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:13:17,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:13:17,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:13:17,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:13:17,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:13:17,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:13:17,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:13:17,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:13:17,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:13:17,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:13:17,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:13:17,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:13:17,315 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:13:17,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:13:17,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:13:17,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:13:17,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:13:17,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:13:17,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:13:17,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:13:17,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:13:17,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:13:17,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:13:17,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:13:17,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:13:17,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:13:17,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:13:17,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:13:17,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:13:17,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:13:17,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:17,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:13:17,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:13:17,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:13:17,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:13:17,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:13:17,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:13:17,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:13:17,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:13:17,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:13:17,325 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:13:17,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:13:17,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:13:17,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:13:17,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:13:17,604 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:13:17,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/afterrec-2.c [2024-09-12 20:13:19,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:13:19,211 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:13:19,211 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec-2.c [2024-09-12 20:13:19,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/26312abac/335e46c9f41d425ea2983d6fc87346a1/FLAG9f9f20139 [2024-09-12 20:13:19,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/26312abac/335e46c9f41d425ea2983d6fc87346a1 [2024-09-12 20:13:19,235 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:13:19,235 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:13:19,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/afterrec-2.yml/witness-2.1.yml [2024-09-12 20:13:19,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:13:19,284 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:13:19,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:19,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:13:19,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:13:19,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:19" (1/2) ... [2024-09-12 20:13:19,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2e454c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:19, skipping insertion in model container [2024-09-12 20:13:19,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:13:19" (1/2) ... [2024-09-12 20:13:19,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35ad6834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:13:19, skipping insertion in model container [2024-09-12 20:13:19,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:19" (2/2) ... [2024-09-12 20:13:19,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2e454c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19, skipping insertion in model container [2024-09-12 20:13:19,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:19" (2/2) ... [2024-09-12 20:13:19,305 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:13:19,306 INFO L1541 ArrayList]: Function contract at [L5]: requires (\old(n) == 2), ensures (\old(n) == 2) [2024-09-12 20:13:19,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:13:19,453 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-simple/afterrec-2.c[318,331] [2024-09-12 20:13:19,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:19,471 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:13:19,513 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-simple/afterrec-2.c[318,331] [2024-09-12 20:13:19,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:13:19,540 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:13:19,541 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19 WrapperNode [2024-09-12 20:13:19,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:13:19,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:13:19,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:13:19,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:13:19,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,578 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure f is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 20:13:19,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:13:19,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:13:19,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:13:19,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:13:19,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (1/1) ... [2024-09-12 20:13:19,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:13:19,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:13:19,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:13:19,619 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:13:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:13:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:13:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:13:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-09-12 20:13:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:13:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:13:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:13:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:13:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:13:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-09-12 20:13:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:13:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:13:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:13:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:13:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:13:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:13:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:13:19,713 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:13:19,718 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:13:19,773 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:13:19,825 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-12 20:13:19,825 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:13:19,851 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:13:19,851 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 20:13:19,852 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:19 BoogieIcfgContainer [2024-09-12 20:13:19,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:13:19,852 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:13:19,853 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:13:19,853 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:13:19,854 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:13:19" (1/4) ... [2024-09-12 20:13:19,854 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b0d4908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:13:19, skipping insertion in model container [2024-09-12 20:13:19,854 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:13:19" (2/4) ... [2024-09-12 20:13:19,855 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b0d4908 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:13:19, skipping insertion in model container [2024-09-12 20:13:19,855 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:13:19" (3/4) ... [2024-09-12 20:13:19,855 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b0d4908 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:13:19, skipping insertion in model container [2024-09-12 20:13:19,855 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:13:19" (4/4) ... [2024-09-12 20:13:19,859 INFO L79 RefereeObserver]: Analyzing ICFG afterrec-2.c [2024-09-12 20:13:19,862 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 20:13:19,864 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 20:13:19,864 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-12 20:13:19,864 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:13:19,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 1 edges. [2024-09-12 20:13:19,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:13:19,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:13:19,866 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-12 20:13:19,900 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-12 20:13:19,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:19,903 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:19,903 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:19,904 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:19,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:19,933 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-12 20:13:19,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:19,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:19,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:19,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:19,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:19,967 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:13:19,979 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:13:19,979 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:19,980 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:19,980 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:19,980 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:19,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,002 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:13:20,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,006 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:20,006 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:20,006 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:20,006 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:20,008 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:13:20,020 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:13:20,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:20,024 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:20,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:20,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:20,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,035 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:13:20,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,039 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:20,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:20,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:20,040 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:20,047 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:20,056 INFO L314 BlockEncoder]: Initial Icfg 2 locations, 1 edges [2024-09-12 20:13:20,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:20,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:20,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:20,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:20,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:20,061 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:20,061 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:20,061 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:20,063 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:20,072 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:13:20,072 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:20,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:20,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:20,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:20,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,078 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:13:20,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:20,081 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:20,081 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:20,081 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:20,084 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:13:20,093 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:13:20,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:13:20,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:13:20,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:13:20,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:13:20,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,109 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:13:20,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:13:20,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:13:20,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:13:20,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:13:20,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:13:20,113 INFO L514 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:13:20,116 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 20:13:20,117 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b0d4908 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:13:20, skipping insertion in model container [2024-09-12 20:13:20,117 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:13:20,120 INFO L158 Benchmark]: Toolchain (without parser) took 834.24ms. Allocated memory is still 163.6MB. Free memory was 106.6MB in the beginning and 66.1MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-12 20:13:20,120 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:20,121 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:13:20,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.95ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 93.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:20,123 INFO L158 Benchmark]: Boogie Preprocessor took 44.63ms. Allocated memory is still 163.6MB. Free memory was 93.8MB in the beginning and 91.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:13:20,123 INFO L158 Benchmark]: RCFGBuilder took 261.02ms. Allocated memory is still 163.6MB. Free memory was 91.9MB in the beginning and 79.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:20,125 INFO L158 Benchmark]: Referee took 265.35ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 66.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:13:20,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure f to check that procedure precondition always holds at line 8. Annotation is valid for all loop-free paths from entry of procedure f to check that a call to reach_error is unreachable at line 9. Annotation is valid for all loop-free paths from entry of procedure f to check that integer overflow can never occur at line 7. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 12. Annotation is valid for all loop-free paths from entry of procedure f to check that integer overflow can never occur at line 7. Annotation is valid for all loop-free paths from entry of procedure f to exit of procedure f. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.95ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 93.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.63ms. Allocated memory is still 163.6MB. Free memory was 93.8MB in the beginning and 91.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.02ms. Allocated memory is still 163.6MB. Free memory was 91.9MB in the beginning and 79.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 265.35ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 66.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:13:20,157 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE