This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:03:21,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:03:21,428 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:03:21,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:03:21,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:03:21,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:03:21,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:03:21,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:03:21,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:03:21,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:03:21,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:03:21,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:03:21,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:03:21,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:03:21,468 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:03:21,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:03:21,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:03:21,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:03:21,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:03:21,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:03:21,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:03:21,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:03:21,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:03:21,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:03:21,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:03:21,472 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:03:21,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:03:21,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:03:21,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:03:21,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:03:21,473 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:03:21,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:03:21,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:03:21,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:21,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:03:21,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:03:21,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:03:21,476 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:03:21,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:03:21,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:03:21,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:03:21,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:03:21,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:03:21,478 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:21,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:21,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:21,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:21,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:21,778 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:21,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gj2007.i [2024-09-13 05:03:23,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:23,342 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:23,343 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gj2007.i [2024-09-13 05:03:23,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b6d38a6f7/88136ab3983f4d579510c2e7cd84bde6/FLAGe299ca2fd [2024-09-13 05:03:23,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b6d38a6f7/88136ab3983f4d579510c2e7cd84bde6 [2024-09-13 05:03:23,364 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:03:23,365 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:03:23,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gj2007.yml/witness-2.1.yml [2024-09-13 05:03:23,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:03:23,412 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:03:23,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:23,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:03:23,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:03:23,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:23" (1/2) ... [2024-09-13 05:03:23,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a7ec65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:23, skipping insertion in model container [2024-09-13 05:03:23,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:23" (1/2) ... [2024-09-13 05:03:23,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e74a09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:23, skipping insertion in model container [2024-09-13 05:03:23,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:23" (2/2) ... [2024-09-13 05:03:23,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a7ec65 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:23, skipping insertion in model container [2024-09-13 05:03:23,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:23" (2/2) ... [2024-09-13 05:03:23,433 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:03:23,433 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))) [2024-09-13 05:03:23,434 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:03:23,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:23,613 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/loop-lit/gj2007.i[895,908] [2024-09-13 05:03:23,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:23,633 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:03:23,668 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/loop-lit/gj2007.i[895,908] Start Parsing Local [2024-09-13 05:03:23,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:23,704 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:23,705 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:23 WrapperNode [2024-09-13 05:03:23,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:23,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:23,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:23,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:23,720 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,721 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,729 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,743 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 [2024-09-13 05:03:23,743 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,747 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,761 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,765 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,768 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,769 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:23,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:23,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:23,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:23,775 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 13.09 05:03:23" (1/1) ... [2024-09-13 05:03:23,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:23,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:23,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:03:23,811 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:03:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:03:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:03:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:03:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:03:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:03:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:03:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:03:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:03:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:03:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:23,929 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:23,932 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:24,168 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:03:24,180 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:24,209 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:24,211 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:03:24,211 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:24 BoogieIcfgContainer [2024-09-13 05:03:24,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:24,212 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:24,212 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:24,213 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:24,214 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:23" (1/4) ... [2024-09-13 05:03:24,215 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79f878f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:24, skipping insertion in model container [2024-09-13 05:03:24,215 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:23" (2/4) ... [2024-09-13 05:03:24,215 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79f878f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:24, skipping insertion in model container [2024-09-13 05:03:24,215 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 13.09 05:03:23" (3/4) ... [2024-09-13 05:03:24,216 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79f878f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:24, skipping insertion in model container [2024-09-13 05:03:24,216 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:24" (4/4) ... [2024-09-13 05:03:24,217 INFO L79 RefereeObserver]: Analyzing ICFG gj2007.i [2024-09-13 05:03:24,221 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:03:24,222 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:03:24,222 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:03:24,223 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:03:24,223 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:03:24,223 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:03:24,223 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 05:03:24,278 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:24,279 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,280 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,361 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:03:24,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,384 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,454 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:24,470 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:03:24,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,478 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:03:24,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,479 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,489 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:24,503 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:03:24,503 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,520 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:03:24,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,540 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:03:24,552 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:24,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,557 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:03:24,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,557 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,561 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:03:24,572 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:03:24,572 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:24,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:24,573 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:24,573 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:24,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,574 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:03:24,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:24,575 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:24,575 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:24,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:24,576 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:24,577 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:03:24,580 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:03:24,581 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79f878f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:03:24, skipping insertion in model container [2024-09-13 05:03:24,581 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:03:24,583 INFO L158 Benchmark]: Toolchain (without parser) took 1169.93ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 77.1MB in the end (delta: 39.0MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,583 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:24,584 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:24,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.15ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 102.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,585 INFO L158 Benchmark]: Boogie Preprocessor took 66.94ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,586 INFO L158 Benchmark]: RCFGBuilder took 437.76ms. Allocated memory is still 157.3MB. Free memory was 99.8MB in the beginning and 83.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,587 INFO L158 Benchmark]: Referee took 369.45ms. Allocated memory is still 157.3MB. Free memory was 83.9MB in the beginning and 77.1MB in the end (delta: 6.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-09-13 05:03:24,589 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 loop head 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 entry of procedure main to loop head at line 27. 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.15ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 102.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.94ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.76ms. Allocated memory is still 157.3MB. Free memory was 99.8MB in the beginning and 83.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 369.45ms. Allocated memory is still 157.3MB. Free memory was 83.9MB in the beginning and 77.1MB in the end (delta: 6.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:24,619 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...