This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:34:12,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:34:12,574 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:34:12,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:34:12,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:34:12,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:34:12,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:34:12,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:34:12,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:34:12,609 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:34:12,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:34:12,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:34:12,610 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:34:12,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:34:12,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:34:12,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:34:12,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:34:12,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:34:12,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:34:12,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:34:12,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:34:12,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:34:12,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:34:12,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:34:12,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:34:12,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:34:12,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:34:12,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:34:12,617 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:34:12,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:34:12,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:34:12,618 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:34:12,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:34:12,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:34:12,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:34:12,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:34:12,979 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:34:12,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-10-15 15:34:14,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:34:14,696 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:34:14,697 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-10-15 15:34:14,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/20ea3d20f/9c6b21efae3a4a7398ad30b9ea41c675/FLAGf223ef39c [2024-10-15 15:34:14,724 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/20ea3d20f/9c6b21efae3a4a7398ad30b9ea41c675 [2024-10-15 15:34:14,729 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:34:14,730 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:34:14,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_i20_o20-1.yml/witness-2.1.yml [2024-10-15 15:34:14,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:34:14,783 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:34:14,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:14,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:34:14,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:34:14,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:14" (1/2) ... [2024-10-15 15:34:14,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6746a93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:14, skipping insertion in model container [2024-10-15 15:34:14,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:14" (1/2) ... [2024-10-15 15:34:14,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4379cdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:14, skipping insertion in model container [2024-10-15 15:34:14,794 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 03:34:14" (2/2) ... [2024-10-15 15:34:14,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6746a93c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:14, skipping insertion in model container [2024-10-15 15:34:14,797 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 03:34:14" (2/2) ... [2024-10-15 15:34:14,802 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:34:14,804 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (((((((((((((((((((((((3 == \result) && (x == 3)) || ((19 == \result) && (19 == x))) || ((11 == \result) && (x == 11))) || ((x == 6) && (6 == \result))) || ((9 == \result) && (x == 9))) || ((x == 17) && (17 == \result))) || ((x == 18) && (18 == \result))) || ((2 == \result) && (x == 2))) || (20 < x)) || ((10 == \result) && (x == 10))) || ((5 == \result) && (5 == x))) || ((20 == \result) && (x == 20))) || ((8 == \result) && (x == 8))) || ((7 == \result) && (7 == x))) || ((12 == \result) && (x == 12))) || ((\result == 1) && (x == 1))) || ((14 == \result) && (x == 14))) || ((x == 4) && (4 == \result))) || ((x == 15) && (15 == \result))) || ((13 == \result) && (x == 13))) || ((x == 16) && (16 == \result))) || ((\result == 0) && (x == 0))) [2024-10-15 15:34:14,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:34:14,993 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2024-10-15 15:34:14,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:15,009 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-10-15 15:34:15,060 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c[454,467] [2024-10-15 15:34:15,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:15,094 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:34:15,094 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:15 WrapperNode [2024-10-15 15:34:15,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:15,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:15,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:34:15,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:34:15,103 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,111 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,117 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:34:15,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:15,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:34:15,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:34:15,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:34:15,128 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,128 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,132 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,148 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:34:15,148 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,148 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,151 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,153 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,154 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,155 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:34:15,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:34:15,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:34:15,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:34:15,158 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 03:34:15" (1/1) ... [2024-10-15 15:34:15,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:34:15,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:34:15,187 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 15:34:15,190 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 15:34:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:34:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:34:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:34:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:34:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:34:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:34:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:34:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:34:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-10-15 15:34:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-10-15 15:34:15,301 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:34:15,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:34:15,481 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:34:15,509 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:34:15,510 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:34:15,510 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:15 BoogieIcfgContainer [2024-10-15 15:34:15,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:34:15,511 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:34:15,511 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:34:15,512 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:34:15,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:34:14" (1/4) ... [2024-10-15 15:34:15,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6827c8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:15, skipping insertion in model container [2024-10-15 15:34:15,512 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 03:34:14" (2/4) ... [2024-10-15 15:34:15,513 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6827c8fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:15, skipping insertion in model container [2024-10-15 15:34:15,513 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 03:34:15" (3/4) ... [2024-10-15 15:34:15,513 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6827c8fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:15, skipping insertion in model container [2024-10-15 15:34:15,514 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 03:34:15" (4/4) ... [2024-10-15 15:34:15,515 INFO L79 RefereeObserver]: Analyzing ICFG id_i20_o20-1.c [2024-10-15 15:34:15,519 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:34:15,520 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-10-15 15:34:15,521 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-10-15 15:34:15,522 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:34:15,581 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:34:15,582 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:15,583 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:15,584 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:15,585 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:15,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:15,622 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:34:15,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:15,625 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:15,625 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:15,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:15,626 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:15,648 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:34:15,657 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:34:15,658 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:15,658 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:15,658 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:15,658 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:15,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:15,687 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-10-15 15:34:15,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:15,688 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:15,688 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:15,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:15,701 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:15,712 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:34:15,716 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:34:15,716 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6827c8fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:34:15, skipping insertion in model container [2024-10-15 15:34:15,716 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:34:15,718 INFO L158 Benchmark]: Toolchain (without parser) took 933.85ms. Allocated memory is still 73.4MB. Free memory was 45.2MB in the beginning and 35.5MB in the end (delta: 9.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-10-15 15:34:15,719 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:15,720 INFO L158 Benchmark]: Witness Parser took 0.63ms. Allocated memory is still 73.4MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:15,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.01ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 52.5MB in the end (delta: -7.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-10-15 15:34:15,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.27ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 51.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:15,721 INFO L158 Benchmark]: Boogie Preprocessor took 38.54ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 49.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:34:15,722 INFO L158 Benchmark]: RCFGBuilder took 353.72ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 36.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:34:15,723 INFO L158 Benchmark]: Referee took 205.18ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 35.5MB in the end (delta: 934.2kB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-10-15 15:34:15,726 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 main to check that a call to reach_error is unreachable at line 15. Annotation is valid for all loop-free paths from entry of procedure id to exit of procedure id. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.63ms. Allocated memory is still 73.4MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.01ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 52.5MB in the end (delta: -7.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.27ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 51.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.54ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 49.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.72ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 36.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 205.18ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 35.5MB in the end (delta: 934.2kB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:34:15,760 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...