This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:57,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:57,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:57,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:57,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:57,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:57,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:57,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:57,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:57,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:57,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:57,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:57,264 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:57,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:57,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:57,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:57,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:57,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:57,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:57,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:57,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:57,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:57,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:57,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:57,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:57,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:57,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:57,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:57,270 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:57,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:57,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:57,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:57,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:57,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:57,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:57,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:57,531 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:57,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gr2006.i [2024-10-15 15:30:59,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:59,342 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:59,343 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gr2006.i [2024-10-15 15:30:59,352 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e33d3d40f/9f430a930e604a35b0a4785cc9f26dba/FLAG831ec7e78 [2024-10-15 15:30:59,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e33d3d40f/9f430a930e604a35b0a4785cc9f26dba [2024-10-15 15:30:59,371 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:59,373 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:59,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gr2006.yml/witness-2.1.yml [2024-10-15 15:30:59,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:59,429 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:59,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:59,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:59,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:59,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:59" (1/2) ... [2024-10-15 15:30:59,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f39c563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:59, skipping insertion in model container [2024-10-15 15:30:59,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:59" (1/2) ... [2024-10-15 15:30:59,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34b25840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:59, skipping insertion in model container [2024-10-15 15:30:59,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:30:59" (2/2) ... [2024-10-15 15:30:59,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f39c563 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:59, skipping insertion in model container [2024-10-15 15:30:59,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:30:59" (2/2) ... [2024-10-15 15:30:59,446 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:59,448 INFO L1541 ArrayList]: Loop invariant at [L28-L36] ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((y == 14) && (x == 14)) || ((x == 89) && (y == 11))) || ((x == 37) && (y == 37))) || ((y == 9) && (91 == x))) || ((y == 16) && (84 == x))) || ((x == 78) && (y == 22))) || ((57 == x) && (y == 43))) || ((x == 0) && (y == 0))) || ((y == 27) && (x == 73))) || ((y == 34) && (x == 34))) || ((x == 24) && (y == 24))) || ((y == 36) && (64 == x))) || ((y == 10) && (x == 10))) || ((7 == y) && (7 == x))) || ((x == 60) && (40 == y))) || ((y == 31) && (x == 69))) || ((x == 45) && (y == 45))) || ((y == 25) && (x == 75))) || ((y == 25) && (x == 25))) || ((x == 82) && (y == 18))) || ((x == 52) && (y == 48))) || ((42 == y) && (42 == x))) || ((32 == y) && (68 == x))) || ((y == 0) && (x == 100))) || ((44 == x) && (44 == y))) || ((29 == y) && (x == 71))) || ((y == 48) && (x == 48))) || ((y == 1) && (x == 1))) || ((y == 16) && (x == 16))) || ((y == 22) && (x == 22))) || ((x == 83) && (y == 17))) || ((y == 2) && (98 == x))) || ((x == 33) && (y == 33))) || ((49 == y) && (51 == x))) || ((x == 58) && (42 == y))) || ((87 == x) && (y == 13))) || ((x == 65) && (35 == y))) || ((y == 43) && (x == 43))) || ((77 == x) && (23 == y))) || ((29 == x) && (29 == y))) || ((y == 8) && (x == 8))) || ((y == 10) && (x == 90))) || ((x == 50) && (y == 50))) || ((x == 74) && (y == 26))) || ((x == 26) && (y == 26))) || ((y == 38) && (x == 38))) || ((66 == x) && (y == 34))) || ((19 == x) && (19 == y))) || ((95 == x) && (5 == y))) || ((y == 46) && (x == 54))) || ((y == 9) && (x == 9))) || ((x == 96) && (y == 4))) || ((32 == y) && (32 == x))) || ((y == 33) && (67 == x))) || ((7 == y) && (x == 93))) || ((x == 80) && (y == 20))) || ((y == 12) && (88 == x))) || ((x == 20) && (y == 20))) || ((30 == y) && (30 == x))) || ((y == 47) && (53 == x))) || ((y == 24) && (76 == x))) || ((x == 18) && (y == 18))) || ((x == 28) && (y == 28))) || ((x == 39) && (y == 39))) || ((y == 46) && (x == 46))) || ((x == 15) && (y == 15))) || ((81 == x) && (19 == y))) || ((41 == x) && (41 == y))) || ((23 == y) && (23 == x))) || ((x == 17) && (y == 17))) || ((97 == x) && (y == 3))) || ((x == 99) && (y == 1))) || ((y == 12) && (x == 12))) || ((y == 6) && (94 == x))) || ((y == 14) && (x == 86))) || ((y == 15) && (x == 85))) || ((x == 47) && (y == 47))) || ((x == 13) && (y == 13))) || ((35 == x) && (35 == y))) || ((56 == x) && (44 == y))) || ((y == 2) && (x == 2))) || ((x == 3) && (y == 3))) || ((y == 4) && (x == 4))) || ((y == 31) && (x == 31))) || ((y == 45) && (x == 55))) || ((y == 27) && (x == 27))) || ((y == 6) && (x == 6))) || ((y == 8) && (92 == x))) || ((59 == x) && (41 == y))) || ((72 == x) && (y == 28))) || ((y == 11) && (x == 11))) || ((40 == x) && (40 == y))) || ((y == 38) && (x == 62))) || ((5 == y) && (5 == x))) || ((30 == y) && (x == 70))) || ((y == 36) && (x == 36))) || ((49 == y) && (49 == x))) || ((x == 61) && (y == 39))) || ((x == 63) && (y == 37))) || ((x == 79) && (y == 21))) || ((y == 21) && (x == 21))) [2024-10-15 15:30:59,450 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:30:59,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:59,615 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/gr2006.i[895,908] [2024-10-15 15:30:59,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:59,632 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:59,661 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/gr2006.i[895,908] Start Parsing Local [2024-10-15 15:30:59,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:59,723 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:59,724 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:59 WrapperNode [2024-10-15 15:30:59,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:59,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:59,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:59,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:59,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,748 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:59,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:59,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:59,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:59,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:59,757 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,757 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,759 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,769 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 [2024-10-15 15:30:59,769 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,769 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,773 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,781 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,781 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,782 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:59,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:59,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:59,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:59,788 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 15.10 03:30:59" (1/1) ... [2024-10-15 15:30:59,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:59,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:59,815 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) [2024-10-15 15:30:59,828 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 [2024-10-15 15:30:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:59,916 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:59,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:00,142 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:00,157 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:00,196 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:00,197 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:00,197 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:00 BoogieIcfgContainer [2024-10-15 15:31:00,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:00,198 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:00,198 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:00,199 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:00,199 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:59" (1/4) ... [2024-10-15 15:31:00,200 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@918df4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:00, skipping insertion in model container [2024-10-15 15:31:00,200 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:30:59" (2/4) ... [2024-10-15 15:31:00,201 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@918df4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:00, skipping insertion in model container [2024-10-15 15:31:00,201 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 15.10 03:30:59" (3/4) ... [2024-10-15 15:31:00,202 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@918df4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:00, skipping insertion in model container [2024-10-15 15:31:00,202 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:00" (4/4) ... [2024-10-15 15:31:00,203 INFO L79 RefereeObserver]: Analyzing ICFG gr2006.i [2024-10-15 15:31:00,206 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:00,208 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:31:00,208 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:31:00,208 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:31:00,208 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:00,208 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:00,209 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:31:00,247 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 8 edges [2024-10-15 15:31:00,248 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:00,249 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:00,249 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:00,250 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:00,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,348 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-10-15 15:31:00,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:00,350 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:00,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:00,365 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:00,397 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:00,426 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:00,426 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:00,426 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:00,426 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:00,426 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:00,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,439 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:00,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:00,440 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:00,440 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:00,440 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:00,456 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:00,473 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:31:00,473 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:00,474 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:00,474 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:00,474 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:00,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,533 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-10-15 15:31:00,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,533 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:00,533 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:00,533 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:00,572 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:00,630 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:00,642 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:00,642 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:00,643 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:00,643 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:00,643 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:00,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,645 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:00,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:00,645 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:00,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:00,646 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:00,648 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:00,655 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:00,655 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:00,655 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:00,655 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:00,655 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:00,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,656 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:00,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:00,657 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:00,657 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:00,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:00,657 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:00,658 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:00,667 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:00,668 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@918df4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:00, skipping insertion in model container [2024-10-15 15:31:00,668 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:00,669 INFO L158 Benchmark]: Toolchain (without parser) took 1239.08ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 52.7MB in the beginning and 78.6MB in the end (delta: -25.9MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:00,669 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:00,670 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 90.2MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:00,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.61ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 62.8MB in the end (delta: -10.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:00,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.07ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 61.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:00,671 INFO L158 Benchmark]: Boogie Preprocessor took 38.29ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:00,675 INFO L158 Benchmark]: RCFGBuilder took 410.30ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 59.7MB in the beginning and 97.4MB in the end (delta: -37.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:00,676 INFO L158 Benchmark]: Referee took 469.40ms. Allocated memory is still 121.6MB. Free memory was 97.4MB in the beginning and 78.6MB in the end (delta: 18.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:00,678 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 __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 28 to loop head at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 90.2MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.61ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 62.8MB in the end (delta: -10.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.07ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 61.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.29ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.30ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 59.7MB in the beginning and 97.4MB in the end (delta: -37.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Referee took 469.40ms. Allocated memory is still 121.6MB. Free memory was 97.4MB in the beginning and 78.6MB in the end (delta: 18.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:00,713 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...