./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i20_o20-1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_i20_o20-1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:29:37,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:29:37,407 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:29:37,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:29:37,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:29:37,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:29:37,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:29:37,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:29:37,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:29:37,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:29:37,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:29:37,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:29:37,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:29:37,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:29:37,442 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:29:37,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:29:37,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:29:37,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:29:37,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:29:37,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:29:37,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:29:37,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:29:37,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:29:37,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:29:37,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:29:37,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:29:37,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:29:37,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:29:37,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:29:37,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:29:37,449 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:29:37,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:29:37,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:29:37,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:37,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:29:37,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:29:37,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:29:37,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:29:37,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:29:37,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:29:37,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:29:37,452 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:29:37,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:29:37,452 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:29:37,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:29:37,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:29:37,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:29:37,759 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:29:37,760 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:29:37,761 INFO L431 ainManager$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 [2024-09-20 13:29:37,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:29:37,811 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:29:37,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-09-20 13:29:39,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:29:39,462 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:29:39,463 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-09-20 13:29:39,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0340d47e3/2c78d2f5dbaf470d8f9205310c368d0e/FLAG9c4a99409 [2024-09-20 13:29:39,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0340d47e3/2c78d2f5dbaf470d8f9205310c368d0e [2024-09-20 13:29:39,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:29:39,831 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:29:39,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:39,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:29:39,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:29:39,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:37" (1/2) ... [2024-09-20 13:29:39,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c18afb1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:37" (1/2) ... [2024-09-20 13:29:39,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b298af0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:39" (2/2) ... [2024-09-20 13:29:39,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c18afb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:39, skipping insertion in model container [2024-09-20 13:29:39,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:39" (2/2) ... [2024-09-20 13:29:39,851 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:29:39,852 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (((((((((((((((((((((((3 == \result) && (\old(x) == 3)) || ((19 == \result) && (19 == \old(x)))) || ((11 == \result) && (\old(x) == 11))) || ((\old(x) == 6) && (6 == \result))) || ((9 == \result) && (\old(x) == 9))) || ((\old(x) == 17) && (17 == \result))) || ((\old(x) == 18) && (18 == \result))) || ((2 == \result) && (\old(x) == 2))) || (20 < \old(x))) || ((10 == \result) && (\old(x) == 10))) || ((5 == \result) && (5 == \old(x)))) || ((20 == \result) && (\old(x) == 20))) || ((8 == \result) && (\old(x) == 8))) || ((7 == \result) && (7 == \old(x)))) || ((12 == \result) && (\old(x) == 12))) || ((\result == 1) && (\old(x) == 1))) || ((14 == \result) && (\old(x) == 14))) || ((\old(x) == 4) && (4 == \result))) || ((\old(x) == 15) && (15 == \result))) || ((13 == \result) && (\old(x) == 13))) || ((\old(x) == 16) && (16 == \result))) || ((\result == 0) && (\old(x) == 0))) [2024-09-20 13:29:39,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:29:40,030 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] [2024-09-20 13:29:40,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:40,053 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-20 13:29:40,092 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] [2024-09-20 13:29:40,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:40,110 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:29:40,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40 WrapperNode [2024-09-20 13:29:40,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:40,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:29:40,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:29:40,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:29:40,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,135 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,144 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:29:40,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:29:40,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:29:40,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:29:40,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:29:40,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (1/1) ... [2024-09-20 13:29:40,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:40,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:29:40,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:29:40,186 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:29:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:29:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:29:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:29:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-20 13:29:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:29:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:29:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:29:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:29:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:29:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:29:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-20 13:29:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:29:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:29:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:29:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:29:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:29:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:29:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:29:40,298 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:29:40,301 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:29:40,493 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:29:40,522 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:29:40,522 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:29:40,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:40 BoogieIcfgContainer [2024-09-20 13:29:40,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:29:40,523 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:29:40,523 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:29:40,524 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:29:40,527 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:29:37" (1/4) ... [2024-09-20 13:29:40,528 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@130aae2a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:40, skipping insertion in model container [2024-09-20 13:29:40,528 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:29:39" (2/4) ... [2024-09-20 13:29:40,528 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@130aae2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:40, skipping insertion in model container [2024-09-20 13:29:40,528 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:40" (3/4) ... [2024-09-20 13:29:40,528 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@130aae2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:40, skipping insertion in model container [2024-09-20 13:29:40,528 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:40" (4/4) ... [2024-09-20 13:29:40,530 INFO L79 RefereeObserver]: Analyzing ICFG id_i20_o20-1.c [2024-09-20 13:29:40,534 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:29:40,535 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-20 13:29:40,535 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:29:40,535 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-20 13:29:40,584 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:29:40,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:40,586 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:40,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:40,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:40,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:40,626 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:29:40,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:40,627 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:40,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:40,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:40,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:40,651 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:29:40,673 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 13:29:40,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:40,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:40,675 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:40,675 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:40,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:40,708 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-20 13:29:40,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:40,709 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:40,709 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:40,709 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:40,723 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:40,744 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:29:40,747 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:29:40,748 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@130aae2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:29:40, skipping insertion in model container [2024-09-20 13:29:40,753 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:29:40,755 INFO L158 Benchmark]: Toolchain (without parser) took 923.13ms. Allocated memory is still 163.6MB. Free memory was 130.0MB in the beginning and 102.0MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-20 13:29:40,756 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 75.6MB in the beginning and 75.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:40,756 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 104.9MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:40,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.03ms. Allocated memory is still 163.6MB. Free memory was 130.0MB in the beginning and 117.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:29:40,760 INFO L158 Benchmark]: Boogie Preprocessor took 43.16ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:29:40,761 INFO L158 Benchmark]: RCFGBuilder took 367.52ms. Allocated memory is still 163.6MB. Free memory was 115.6MB in the beginning and 125.0MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 13:29:40,761 INFO L158 Benchmark]: Referee took 230.25ms. Allocated memory is still 163.6MB. Free memory was 125.0MB in the beginning and 102.0MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-20 13:29:40,765 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: * Witness Parser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 75.6MB in the beginning and 75.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.00ms. Allocated memory is still 104.9MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.03ms. Allocated memory is still 163.6MB. Free memory was 130.0MB in the beginning and 117.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.16ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.52ms. Allocated memory is still 163.6MB. Free memory was 115.6MB in the beginning and 125.0MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 230.25ms. Allocated memory is still 163.6MB. Free memory was 125.0MB in the beginning and 102.0MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:29:40,801 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE