./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i15_o15-1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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/id_i15_o15-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i15_o15-1.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-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:29:36,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:29:36,925 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:29:36,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:29:36,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:29:36,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:29:36,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:29:36,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:29:36,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:29:36,951 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:29:36,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:29:36,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:29:36,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:29:36,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:29:36,954 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:29:36,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:29:36,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:29:36,954 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:29:36,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:29:36,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:29:36,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:29:36,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:29:36,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:29:36,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:29:36,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:29:36,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:29:36,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:29:36,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:29:36,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:29:36,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:29:36,960 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:29:36,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:29:36,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:29:36,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:36,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:29:36,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:29:36,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:29:36,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:29:36,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:29:36,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:29:36,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:29:36,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:29:36,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:29:36,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:29:37,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:29:37,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:29:37,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:29:37,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:29:37,228 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:29:37,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2024-09-20 13:29:38,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:29:38,825 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:29:38,826 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2024-09-20 13:29:38,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/92333600d/bfce63c7ee054a50a1a15e36ba4eebc9/FLAG46e60da3d [2024-09-20 13:29:38,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/92333600d/bfce63c7ee054a50a1a15e36ba4eebc9 [2024-09-20 13:29:38,850 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:29:38,854 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:29:38,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_i15_o15-1.yml/witness-2.1.yml [2024-09-20 13:29:38,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:29:38,901 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:29:38,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:38,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:29:38,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:29:38,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:38" (1/2) ... [2024-09-20 13:29:38,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549536e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:38, skipping insertion in model container [2024-09-20 13:29:38,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:38" (1/2) ... [2024-09-20 13:29:38,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@760ed9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:38, skipping insertion in model container [2024-09-20 13:29:38,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:38" (2/2) ... [2024-09-20 13:29:38,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549536e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:38, skipping insertion in model container [2024-09-20 13:29:38,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:38" (2/2) ... [2024-09-20 13:29:38,917 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:29:38,918 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures ((((((((((((((((((3 == \result) && (\old(x) == 3)) || (15 < \old(x))) || ((11 == \result) && (\old(x) == 11))) || ((\old(x) == 6) && (6 == \result))) || ((9 == \result) && (\old(x) == 9))) || ((2 == \result) && (\old(x) == 2))) || ((10 == \result) && (\old(x) == 10))) || ((5 == \result) && (5 == \old(x)))) || ((8 == \result) && (\old(x) == 8))) || ((7 == \result) && (7 == \old(x)))) || ((12 == \result) && (\old(x) == 12))) || ((\result == 1) && (\old(x) == 1))) || ((14 == \result) && (\old(x) == 14))) || ((\old(x) == 4) && (4 == \result))) || ((\old(x) == 15) && (15 == \result))) || ((13 == \result) && (\old(x) == 13))) || ((\result == 0) && (\old(x) == 0))) [2024-09-20 13:29:38,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:29:39,093 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2024-09-20 13:29:39,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:39,111 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-20 13:29:39,150 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2024-09-20 13:29:39,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:39,163 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:29:39,163 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:39 WrapperNode [2024-09-20 13:29:39,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:39,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:29:39,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:29:39,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:29:39,174 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,174 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,180 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,187 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:29:39,187 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,188 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,190 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,192 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,193 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,193 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:29:39,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:29:39,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:29:39,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:29:39,196 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 20.09 01:29:39" (1/1) ... [2024-09-20 13:29:39,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:39,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:29:39,227 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) [2024-09-20 13:29:39,229 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 [2024-09-20 13:29:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:29:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:29:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:29:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-20 13:29:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:29:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:29:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:29:39,287 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:29:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:29:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:29:39,337 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:29:39,339 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:29:39,491 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:29:39,536 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:29:39,537 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:29:39,537 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:39 BoogieIcfgContainer [2024-09-20 13:29:39,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:29:39,537 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:29:39,537 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:29:39,538 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:29:39,542 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:29:38" (1/4) ... [2024-09-20 13:29:39,543 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ee7618a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,543 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:38" (2/4) ... [2024-09-20 13:29:39,543 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ee7618a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,543 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 20.09 01:29:39" (3/4) ... [2024-09-20 13:29:39,547 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ee7618a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,547 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:39" (4/4) ... [2024-09-20 13:29:39,548 INFO L79 RefereeObserver]: Analyzing ICFG id_i15_o15-1.c [2024-09-20 13:29:39,551 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:29:39,552 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-20 13:29:39,552 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:29:39,552 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-20 13:29:39,622 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:29:39,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:39,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:39,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:39,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:39,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:39,674 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:29:39,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:39,675 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:39,675 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:39,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:39,676 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:39,709 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:29:39,724 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 13:29:39,725 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:39,725 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:39,725 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:39,726 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:39,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:39,763 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-20 13:29:39,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:39,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:39,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:39,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:39,778 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:39,802 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:29:39,805 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:29:39,805 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ee7618a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,805 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:29:39,806 INFO L158 Benchmark]: Toolchain (without parser) took 905.35ms. Allocated memory is still 190.8MB. Free memory was 120.9MB in the beginning and 132.4MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:39,807 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 76.4MB in the beginning and 76.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:39,807 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:39,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.66ms. Allocated memory is still 190.8MB. Free memory was 120.7MB in the beginning and 107.9MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:29:39,812 INFO L158 Benchmark]: Boogie Preprocessor took 30.33ms. Allocated memory is still 190.8MB. Free memory was 107.9MB in the beginning and 106.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:29:39,812 INFO L158 Benchmark]: RCFGBuilder took 341.77ms. Allocated memory is still 190.8MB. Free memory was 106.0MB in the beginning and 151.3MB in the end (delta: -45.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-09-20 13:29:39,812 INFO L158 Benchmark]: Referee took 267.86ms. Allocated memory is still 190.8MB. Free memory was 151.3MB in the beginning and 132.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 13:29:39,818 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 id to exit of procedure id. Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 15. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 76.4MB in the beginning and 76.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.66ms. Allocated memory is still 190.8MB. Free memory was 120.7MB in the beginning and 107.9MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.33ms. Allocated memory is still 190.8MB. Free memory was 107.9MB in the beginning and 106.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.77ms. Allocated memory is still 190.8MB. Free memory was 106.0MB in the beginning and 151.3MB in the end (delta: -45.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Referee took 267.86ms. Allocated memory is still 190.8MB. Free memory was 151.3MB in the beginning and 132.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:29:39,853 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