This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:47,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:47,406 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:30:47,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:47,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:47,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:47,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:47,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:47,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:47,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:47,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:47,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:47,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:47,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:47,438 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:47,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:47,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:47,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:47,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:30:47,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:47,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:47,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:47,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:47,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:47,441 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:47,441 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:47,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:47,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:47,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:47,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:47,442 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:47,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:47,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:47,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:47,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:47,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:47,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:47,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:30:47,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:30:47,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:47,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:47,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:47,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:47,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:47,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:47,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:47,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:47,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:47,668 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:47,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-09-25 00:30:48,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:49,028 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:49,029 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-09-25 00:30:49,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bf649d3ca/32f6c0452d0b4867a4e7e2add39dd2f2/FLAGd418ccb35 [2024-09-25 00:30:49,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bf649d3ca/32f6c0452d0b4867a4e7e2add39dd2f2 [2024-09-25 00:30:49,056 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:49,057 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:49,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps5-ll_valuebound50.yml/witness-2.1.yml [2024-09-25 00:30:49,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:49,106 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:49,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:49,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:49,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:49,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:49" (1/2) ... [2024-09-25 00:30:49,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1595af31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:49, skipping insertion in model container [2024-09-25 00:30:49,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:49" (1/2) ... [2024-09-25 00:30:49,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@adfa74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:49, skipping insertion in model container [2024-09-25 00:30:49,115 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 12:30:49" (2/2) ... [2024-09-25 00:30:49,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1595af31 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:49, skipping insertion in model container [2024-09-25 00:30:49,116 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 12:30:49" (2/2) ... [2024-09-25 00:30:49,123 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:49,125 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((k <= 256) && ((((__int128) y * y) + ((__int128) y * 4)) == (((__int128) c * 4) + ((__int128) c * y)))) && ((c + ((__int128) c * y)) == (y + ((__int128) y * y)))) && ((y + ((__int128) 30 * x)) == (((((((__int128) y * y) * y) * y) * 15) + (6 * (((((__int128) y * y) * y) * y) * y))) + ((((__int128) y * y) * y) * 10)))) && ((c < k) || (((__int128) y * y) == ((__int128) k * y)))) [2024-09-25 00:30:49,125 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:49,125 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (cond != 0) [2024-09-25 00:30:49,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:49,269 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/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-09-25 00:30:49,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:49,301 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:49,335 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/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] Start Parsing Local [2024-09-25 00:30:49,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:49,363 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:49,364 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:49 WrapperNode [2024-09-25 00:30:49,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:49,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:49,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:49,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:49,374 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,374 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,379 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,386 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:49,388 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,389 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,393 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,395 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,396 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,397 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:49,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:49,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:49,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:49,417 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 12:30:49" (1/1) ... [2024-09-25 00:30:49,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:49,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:49,441 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 00:30:49,443 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 00:30:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-25 00:30:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:30:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:30:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:30:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:49,547 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:49,551 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:49,714 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:49,729 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:49,754 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:49,754 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:49,755 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:49 BoogieIcfgContainer [2024-09-25 00:30:49,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:49,755 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:49,755 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:49,756 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:49,756 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:49" (1/4) ... [2024-09-25 00:30:49,757 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@204ba7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:49, skipping insertion in model container [2024-09-25 00:30:49,757 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 12:30:49" (2/4) ... [2024-09-25 00:30:49,757 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@204ba7bb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:49, skipping insertion in model container [2024-09-25 00:30:49,757 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 12:30:49" (3/4) ... [2024-09-25 00:30:49,757 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@204ba7bb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:49, skipping insertion in model container [2024-09-25 00:30:49,758 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 12:30:49" (4/4) ... [2024-09-25 00:30:49,759 INFO L79 RefereeObserver]: Analyzing ICFG ps5-ll_valuebound50.c [2024-09-25 00:30:49,762 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:49,762 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:49,762 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:30:49,762 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:49,763 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 00:30:49,763 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:30:49,763 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 00:30:49,763 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 00:30:49,763 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:30:49,763 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:30:49,806 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:49,808 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:49,808 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:49,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:49,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:49,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,822 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:49,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,824 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:49,824 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:49,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:49,828 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:49,846 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:49,876 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:30:49,876 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:49,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:49,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:49,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:49,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,894 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:30:49,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,895 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:49,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:49,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:49,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:49,904 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:49,917 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:49,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:49,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:49,918 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:49,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:49,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,926 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:49,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:49,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:49,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:49,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:49,931 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:49,942 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:49,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:49,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:49,942 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:49,942 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:49,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,950 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:49,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,951 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:49,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:49,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:49,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:49,955 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:49,968 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:30:49,969 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:49,969 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:49,969 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:49,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:49,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,981 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:30:49,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:49,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:49,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:49,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:49,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:50,000 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:50,009 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:50,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:50,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:50,009 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:50,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:50,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:50,012 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:50,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:50,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:50,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:50,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:50,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:50,014 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:50,024 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:50,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:50,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:50,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:50,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:50,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:50,026 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:50,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:50,027 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:50,027 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:50,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:50,028 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:50,029 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:50,037 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:30:50,037 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:50,038 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:50,038 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:50,038 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:50,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:50,061 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-25 00:30:50,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:50,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:50,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:50,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:50,064 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:50,067 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:50,070 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:30:50,071 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@204ba7bb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:50, skipping insertion in model container [2024-09-25 00:30:50,071 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:50,073 INFO L158 Benchmark]: Toolchain (without parser) took 966.16ms. Allocated memory is still 186.6MB. Free memory was 111.3MB in the beginning and 97.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:50,074 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:50,074 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 186.6MB. Free memory was 113.5MB in the beginning and 113.3MB in the end (delta: 216.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:50,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.27ms. Allocated memory is still 186.6MB. Free memory was 111.3MB in the beginning and 97.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:50,075 INFO L158 Benchmark]: Boogie Preprocessor took 48.36ms. Allocated memory is still 186.6MB. Free memory was 97.5MB in the beginning and 157.4MB in the end (delta: -59.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:50,076 INFO L158 Benchmark]: RCFGBuilder took 339.68ms. Allocated memory is still 186.6MB. Free memory was 156.9MB in the beginning and 142.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:50,076 INFO L158 Benchmark]: Referee took 315.98ms. Allocated memory is still 186.6MB. Free memory was 142.7MB in the beginning and 97.7MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-25 00:30:50,078 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 28 to loop head at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 29. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 28 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. 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 11. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 186.6MB. Free memory was 113.5MB in the beginning and 113.3MB in the end (delta: 216.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.27ms. Allocated memory is still 186.6MB. Free memory was 111.3MB in the beginning and 97.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.36ms. Allocated memory is still 186.6MB. Free memory was 97.5MB in the beginning and 157.4MB in the end (delta: -59.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 339.68ms. Allocated memory is still 186.6MB. Free memory was 156.9MB in the beginning and 142.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 315.98ms. Allocated memory is still 186.6MB. Free memory was 142.7MB in the beginning and 97.7MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:30:50,096 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...