This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:27:04,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:04,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:04,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:04,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:04,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:04,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:04,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:04,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:04,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:04,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:04,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:04,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:04,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:04,403 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:04,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:04,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:04,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:04,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:04,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:04,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:04,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:04,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:04,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:04,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:04,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:04,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:04,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:04,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:04,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:04,410 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:04,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:04,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:04,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:04,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:04,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:04,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:04,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:04,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:04,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:04,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:04,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:04,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:04,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:04,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:04,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:04,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:04,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:04,817 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:04,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nest-if3.i [2024-09-25 00:27:06,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:06,608 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:06,610 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nest-if3.i [2024-09-25 00:27:06,620 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8bc70e8f4/049d49e0a4c1425e8b8ffd638b149285/FLAG62af841c0 [2024-09-25 00:27:06,956 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8bc70e8f4/049d49e0a4c1425e8b8ffd638b149285 [2024-09-25 00:27:06,958 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:06,958 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:06,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nest-if3.yml/witness-2.1.yml [2024-09-25 00:27:07,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:07,015 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:07,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:07,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:07,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:07,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:06" (1/2) ... [2024-09-25 00:27:07,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac9cd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:06" (1/2) ... [2024-09-25 00:27:07,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@85d2502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:07" (2/2) ... [2024-09-25 00:27:07,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac9cd2a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:07" (2/2) ... [2024-09-25 00:27:07,041 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:07,046 INFO L1541 ArrayList]: Loop invariant at [L31-L37] (1 <= l) [2024-09-25 00:27:07,046 INFO L1541 ArrayList]: Loop invariant at [L32-L34] ((1 <= l) && (1 <= i)) [2024-09-25 00:27:07,046 INFO L1541 ArrayList]: Function contract at [L17]: requires (cond != 0), ensures (cond != 0) [2024-09-25 00:27:07,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:07,229 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-invgen/nest-if3.i[893,906] [2024-09-25 00:27:07,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:07,255 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:27:07,298 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-invgen/nest-if3.i[893,906] Start Parsing Local Start Parsing Local [2024-09-25 00:27:07,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:07,330 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:07,331 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:07 WrapperNode [2024-09-25 00:27:07,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:07,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:07,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:07,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:07,346 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,347 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,354 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,369 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:27:07,371 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,372 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,380 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,384 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,387 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,388 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:07,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:07,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:07,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:07,397 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 25.09 12:27:07" (1/1) ... [2024-09-25 00:27:07,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:07,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:07,430 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) [2024-09-25 00:27:07,437 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 [2024-09-25 00:27:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:27:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:27:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:27:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:27:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:27:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:27:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:07,578 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:07,583 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:07,740 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:27:07,754 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:07,778 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:07,779 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:27:07,779 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:07 BoogieIcfgContainer [2024-09-25 00:27:07,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:07,780 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:07,780 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:07,782 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:07,782 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:06" (1/4) ... [2024-09-25 00:27:07,784 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2c36f9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,784 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:07" (2/4) ... [2024-09-25 00:27:07,785 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2c36f9d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,785 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 25.09 12:27:07" (3/4) ... [2024-09-25 00:27:07,787 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2c36f9d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:07, skipping insertion in model container [2024-09-25 00:27:07,787 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:07" (4/4) ... [2024-09-25 00:27:07,789 INFO L79 RefereeObserver]: Analyzing ICFG nest-if3.i [2024-09-25 00:27:07,795 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:27:07,796 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:07,796 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L31-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:07,796 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:27:07,797 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:27:07,797 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:07,797 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:27:07,798 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:27:07,799 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:27:07,855 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:27:07,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:07,859 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:07,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:07,861 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:07,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,879 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:27:07,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:07,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:07,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:07,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:07,905 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:07,923 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:07,923 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:07,923 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:07,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:07,924 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:07,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,928 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:07,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,929 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:07,930 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:07,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:07,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:07,932 INFO L520 InvariantChecker]: The annotation(s) from loop head L31-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:07,943 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:07,943 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:07,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:07,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:07,944 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:07,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,947 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:07,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:07,948 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:07,948 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:07,948 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:07,953 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:27:07,963 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:27:07,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:07,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:07,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:07,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:07,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,988 INFO L101 BaseMinimizeStates]: Removed 20 edges and 5 locations by large block encoding [2024-09-25 00:27:07,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:07,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:07,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:07,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:07,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:08,003 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:08,011 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:27:08,011 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:08,011 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:08,011 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:08,012 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:08,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:08,018 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:27:08,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:08,018 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:08,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:08,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:08,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:08,028 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:08,038 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:08,040 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:08,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:08,040 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:08,040 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:08,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:08,045 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:27:08,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:08,046 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:08,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:08,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:08,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:08,053 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:27:08,062 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:08,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:08,063 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:08,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:08,064 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:08,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:08,067 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:08,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:08,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:08,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:08,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:08,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:08,072 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:27:08,076 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:27:08,076 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2c36f9d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:08, skipping insertion in model container [2024-09-25 00:27:08,077 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:08,078 INFO L158 Benchmark]: Toolchain (without parser) took 1062.96ms. Allocated memory is still 163.6MB. Free memory was 127.5MB in the beginning and 80.0MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-25 00:27:08,079 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:08,079 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:08,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.36ms. Allocated memory is still 163.6MB. Free memory was 127.5MB in the beginning and 114.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:08,081 INFO L158 Benchmark]: Boogie Preprocessor took 61.00ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:08,081 INFO L158 Benchmark]: RCFGBuilder took 385.56ms. Allocated memory is still 163.6MB. Free memory was 112.2MB in the beginning and 99.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:08,082 INFO L158 Benchmark]: Referee took 296.65ms. Allocated memory is still 163.6MB. Free memory was 99.6MB in the beginning and 80.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-25 00:27:08,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 31 to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 31. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.36ms. Allocated memory is still 163.6MB. Free memory was 127.5MB in the beginning and 114.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.00ms. Allocated memory is still 163.6MB. Free memory was 114.3MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.56ms. Allocated memory is still 163.6MB. Free memory was 112.2MB in the beginning and 99.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 296.65ms. Allocated memory is still 163.6MB. Free memory was 99.6MB in the beginning and 80.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:27:08,111 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...