./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/gj2007.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/loop-lit/gj2007.i ../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.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-ca4ee3d-m [2024-09-20 20:09:11,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:11,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:09:11,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:11,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:11,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:11,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:11,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:11,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:11,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:11,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:11,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:11,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:11,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:11,244 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:11,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:11,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:11,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:11,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:09:11,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:11,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:11,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:11,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:11,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:11,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:11,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:11,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:11,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:11,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:11,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:11,248 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:11,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:11,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:11,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:11,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:11,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:11,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:11,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:09:11,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:09:11,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:11,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:11,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:11,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:11,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:11,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:11,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:11,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:11,457 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:11,457 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:11,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.yml/witness-2.1.yml [2024-09-20 20:09:11,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:11,498 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:11,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.i [2024-09-20 20:09:12,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:12,886 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:12,886 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.i [2024-09-20 20:09:12,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7983c6dad/d11124070a674761bf20ace2fef4337d/FLAGfb5869282 [2024-09-20 20:09:12,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7983c6dad/d11124070a674761bf20ace2fef4337d [2024-09-20 20:09:12,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:12,907 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:12,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:12,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:12,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:12,913 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 08:09:11" (1/2) ... [2024-09-20 20:09:12,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9cd750 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:12, skipping insertion in model container [2024-09-20 20:09:12,914 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 08:09:11" (1/2) ... [2024-09-20 20:09:12,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2697cef9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:12, skipping insertion in model container [2024-09-20 20:09:12,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:12" (2/2) ... [2024-09-20 20:09:12,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9cd750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:12, skipping insertion in model container [2024-09-20 20:09:12,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:12" (2/2) ... [2024-09-20 20:09:12,921 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:12,921 INFO L1541 ArrayList]: Loop invariant at [L27-L34] ((((((((((((((((((((((((((((((((((((((((((((((((((((x == 80) && (y == 80)) || ((x == 83) && (y == 83))) || ((67 == x) && (67 == y))) || ((x == 75) && (y == 75))) || ((x == 65) && (y == 65))) || ((66 == y) && (66 == x))) || ((94 == x) && (94 == y))) || ((81 == y) && (81 == x))) || ((57 == y) && (57 == x))) || ((51 == x) && (51 == y))) || ((y == 79) && (x == 79))) || ((y == 54) && (x == 54))) || ((98 == y) && (98 == x))) || ((x == 96) && (y == 96))) || ((92 == y) && (92 == x))) || ((y == 82) && (x == 82))) || ((77 == x) && (77 == y))) || ((88 == y) && (88 == x))) || ((x == 63) && (y == 63))) || ((59 == y) && (59 == x))) || ((x == 60) && (y == 60))) || ((y == 55) && (x == 55))) || ((y == 71) && (x == 71))) || ((x == 58) && (y == 58))) || ((y == 50) && (x <= 50))) || ((y == 62) && (x == 62))) || ((64 == y) && (64 == x))) || ((76 == y) && (76 == x))) || ((y == 93) && (x == 93))) || ((x == 69) && (y == 69))) || ((97 == x) && (97 == y))) || ((x == 61) && (y == 61))) || ((87 == y) && (87 == x))) || ((53 == y) && (53 == x))) || ((x == 70) && (y == 70))) || ((72 == y) && (72 == x))) || ((91 == y) && (91 == x))) || ((x == 74) && (y == 74))) || ((x == 52) && (y == 52))) || ((y == 99) && (x == 99))) || ((x == 73) && (y == 73))) || ((56 == y) && (56 == x))) || ((x == 78) && (y == 78))) || ((100 <= x) && (y == 100))) || ((84 == y) && (84 == x))) || ((68 == y) && (68 == x))) || ((95 == x) && (95 == y))) || ((y == 86) && (x == 86))) || ((x == 90) && (y == 90))) || ((y == 85) && (x == 85))) || ((x == 89) && (y == 89))) [2024-09-20 20:09:12,922 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:09:12,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:13,049 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/loop-lit/gj2007.i[895,908] [2024-09-20 20:09:13,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:13,062 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:09:13,093 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/loop-lit/gj2007.i[895,908] Start Parsing Local [2024-09-20 20:09:13,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:13,142 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:13,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13 WrapperNode [2024-09-20 20:09:13,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:13,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:13,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:13,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:13,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,169 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:09:13,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:13,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:13,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:13,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:13,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (1/1) ... [2024-09-20 20:09:13,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:13,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:13,205 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 20:09:13,206 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 20:09:13,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:09:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:09:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:09:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:09:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:09:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:09:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:09:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:09:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:09:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:13,290 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:13,291 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:13,413 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:09:13,419 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:13,439 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:13,439 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:09:13,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:13 BoogieIcfgContainer [2024-09-20 20:09:13,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:13,440 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:13,440 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:13,441 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:13,441 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 08:09:11" (1/4) ... [2024-09-20 20:09:13,441 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@775bc216 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:13, skipping insertion in model container [2024-09-20 20:09:13,441 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:12" (2/4) ... [2024-09-20 20:09:13,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@775bc216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:13, skipping insertion in model container [2024-09-20 20:09:13,442 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:13" (3/4) ... [2024-09-20 20:09:13,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@775bc216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:13, skipping insertion in model container [2024-09-20 20:09:13,442 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:13" (4/4) ... [2024-09-20 20:09:13,443 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.i [2024-09-20 20:09:13,446 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:09:13,447 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:09:13,447 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:09:13,447 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:09:13,448 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:09:13,448 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:09:13,448 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:09:13,501 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:13,502 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:13,503 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:13,503 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:13,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:13,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,584 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:13,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,586 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:13,586 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:13,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:13,607 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:13,664 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:13,677 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:09:13,678 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:13,678 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:13,678 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:13,678 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:13,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,685 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:09:13,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,686 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:13,686 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:13,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:13,686 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:13,694 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:09:13,706 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:09:13,706 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:13,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:13,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:13,707 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:13,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,721 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:09:13,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,722 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:13,722 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:13,722 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:13,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:13,735 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:09:13,745 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:09:13,745 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:13,745 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:13,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:13,746 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:13,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,747 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:09:13,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:13,748 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:13,748 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:13,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:13,752 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:09:13,761 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:09:13,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:13,762 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:13,762 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:13,762 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:13,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,763 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:09:13,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:13,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:13,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:13,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:13,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:09:13,765 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:09:13,768 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:09:13,768 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@775bc216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:09:13, skipping insertion in model container [2024-09-20 20:09:13,768 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:09:13,770 INFO L158 Benchmark]: Toolchain (without parser) took 862.41ms. Allocated memory was 163.6MB in the beginning and 239.1MB in the end (delta: 75.5MB). Free memory was 105.0MB in the beginning and 161.1MB in the end (delta: -56.2MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:13,770 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 123.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:13,771 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:13,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.54ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 91.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:13,773 INFO L158 Benchmark]: Boogie Preprocessor took 38.66ms. Allocated memory is still 163.6MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:13,774 INFO L158 Benchmark]: RCFGBuilder took 256.46ms. Allocated memory is still 163.6MB. Free memory was 89.1MB in the beginning and 72.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:09:13,774 INFO L158 Benchmark]: Referee took 328.55ms. Allocated memory was 163.6MB in the beginning and 239.1MB in the end (delta: 75.5MB). Free memory was 72.4MB in the beginning and 161.1MB in the end (delta: -88.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:13,778 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 loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory was 123.9MB in the beginning and 123.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.54ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 91.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.66ms. Allocated memory is still 163.6MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 256.46ms. Allocated memory is still 163.6MB. Free memory was 89.1MB in the beginning and 72.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 328.55ms. Allocated memory was 163.6MB in the beginning and 239.1MB in the end (delta: 75.5MB). Free memory was 72.4MB in the beginning and 161.1MB in the end (delta: -88.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:09:13,799 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