This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:10:32,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:10:32,351 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:10:32,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:10:32,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:10:32,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:10:32,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:10:32,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:10:32,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:10:32,376 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:10:32,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:10:32,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:10:32,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:10:32,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:10:32,377 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:10:32,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:10:32,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:10:32,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:10:32,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:10:32,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:10:32,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:10:32,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:10:32,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:10:32,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:10:32,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:10:32,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:10:32,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:10:32,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:10:32,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:10:32,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:10:32,394 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:10:32,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:10:32,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:10:32,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:10:32,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:10:32,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:10:32,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:10:32,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:10:32,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:10:32,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:10:32,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:10:32,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:10:32,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:10:32,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:10:32,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:10:32,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:10:32,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:10:32,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:10:32,629 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:10:32,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2024-09-13 05:10:33,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:10:34,034 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:10:34,034 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2024-09-13 05:10:34,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7f39a6ab0/d24d888d37a84ad095a2b357b6e6c4cd/FLAG8bd26d8e1 [2024-09-13 05:10:34,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7f39a6ab0/d24d888d37a84ad095a2b357b6e6c4cd [2024-09-13 05:10:34,055 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:10:34,055 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:10:34,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound50.yml/witness-2.1.yml [2024-09-13 05:10:34,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:10:34,097 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:10:34,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:10:34,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:10:34,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:10:34,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:10:34" (1/2) ... [2024-09-13 05:10:34,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f24039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:10:34, skipping insertion in model container [2024-09-13 05:10:34,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:10:34" (1/2) ... [2024-09-13 05:10:34,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38e26ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:10:34, skipping insertion in model container [2024-09-13 05:10:34,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:10:34" (2/2) ... [2024-09-13 05:10:34,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f24039 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:10:34, skipping insertion in model container [2024-09-13 05:10:34,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:10:34" (2/2) ... [2024-09-13 05:10:34,115 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:10:34,116 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((c + ((__int128) c * y)) == (y + ((__int128) y * y))) && ((((2 * ((((((__int128) y * y) * y) * y) * y) * y)) + (6 * (((((__int128) y * y) * y) * y) * y))) + (5 * ((((__int128) y * y) * y) * y))) == (((__int128) x * 12) + ((__int128) y * y)))) && ((c < k) || (((__int128) y * y) == ((__int128) k * y)))) && ((((__int128) 7 * c) + ((__int128) c * y)) == (((__int128) 7 * y) + ((__int128) y * y)))) [2024-09-13 05:10:34,116 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:10:34,116 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:10:34,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:10:34,249 WARN L247 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/ps6-ll_valuebound50.c[458,471] [2024-09-13 05:10:34,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:10:34,275 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:10:34,306 WARN L247 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/ps6-ll_valuebound50.c[458,471] Start Parsing Local [2024-09-13 05:10:34,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:10:34,326 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:10:34,326 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:10:34 WrapperNode [2024-09-13 05:10:34,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:10:34,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:10:34,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:10:34,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:10:34,336 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,336 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,341 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,352 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 [2024-09-13 05:10:34,352 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,352 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,355 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,358 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,359 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,360 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:10:34,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:10:34,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:10:34,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:10:34,364 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 13.09 05:10:34" (1/1) ... [2024-09-13 05:10:34,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:10:34,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:10:34,397 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) [2024-09-13 05:10:34,398 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 [2024-09-13 05:10:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:10:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:10:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:10:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:10:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:10:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:10:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:10:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:10:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:10:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:10:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:10:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:10:34,497 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:10:34,500 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:10:34,690 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:10:34,708 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:10:34,723 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:10:34,723 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:10:34,723 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:10:34 BoogieIcfgContainer [2024-09-13 05:10:34,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:10:34,724 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:10:34,724 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:10:34,725 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:10:34,725 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:10:34" (1/4) ... [2024-09-13 05:10:34,725 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d41bc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:10:34, skipping insertion in model container [2024-09-13 05:10:34,725 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:10:34" (2/4) ... [2024-09-13 05:10:34,725 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d41bc16 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:10:34, skipping insertion in model container [2024-09-13 05:10:34,726 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 13.09 05:10:34" (3/4) ... [2024-09-13 05:10:34,726 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d41bc16 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:10:34, skipping insertion in model container [2024-09-13 05:10:34,726 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:10:34" (4/4) ... [2024-09-13 05:10:34,727 INFO L79 RefereeObserver]: Analyzing ICFG ps6-ll_valuebound50.c [2024-09-13 05:10:34,730 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:10:34,731 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:10:34,731 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:10:34,731 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:10:34,731 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:10:34,731 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:10:34,731 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:10:34,731 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:10:34,731 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:10:34,732 INFO L130 InvariantChecker]: Will check 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, 3 loop-free subgraphs from loop head to error location [2024-09-13 05:10:34,776 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:10:34,776 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:34,777 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:34,777 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:34,778 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:34,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,788 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:10:34,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:34,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:34,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:34,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:34,817 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:10:34,850 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:10:34,850 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:34,850 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:34,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:34,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:34,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,880 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:10:34,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:34,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:34,881 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:34,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:34,888 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:10:34,902 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:10:34,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:34,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:34,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:34,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:34,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,908 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:10:34,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:34,909 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:34,909 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:34,909 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:34,912 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:10:34,925 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:10:34,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:34,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:34,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:34,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:34,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,933 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:10:34,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:34,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:34,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:34,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:34,937 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:10:34,953 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:10:34,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:34,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:34,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:34,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:34,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,966 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:10:34,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:34,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:34,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:34,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:34,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:34,993 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:10:35,006 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:10:35,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:35,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:35,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:35,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:35,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:35,011 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:10:35,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:35,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:35,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:35,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:35,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:35,014 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:10:35,026 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:10:35,027 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:35,028 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:35,028 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:35,028 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:35,029 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:35,031 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:10:35,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:35,031 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:35,031 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:35,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:35,032 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:35,035 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:10:35,047 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:10:35,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:10:35,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:10:35,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:10:35,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:10:35,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:35,070 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-13 05:10:35,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:10:35,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:10:35,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:10:35,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:10:35,074 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:10:35,077 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:10:35,080 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:10:35,081 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d41bc16 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:10:35, skipping insertion in model container [2024-09-13 05:10:35,081 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:10:35,083 INFO L158 Benchmark]: Toolchain (without parser) took 984.31ms. Allocated memory is still 155.2MB. Free memory was 123.5MB in the beginning and 71.3MB in the end (delta: 52.1MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-09-13 05:10:35,084 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 155.2MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:10:35,084 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:10:35,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.29ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 109.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:10:35,085 INFO L158 Benchmark]: Boogie Preprocessor took 36.04ms. Allocated memory is still 155.2MB. Free memory was 109.5MB in the beginning and 107.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:10:35,086 INFO L158 Benchmark]: RCFGBuilder took 360.22ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 118.3MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:10:35,086 INFO L158 Benchmark]: Referee took 357.10ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 71.3MB in the end (delta: 46.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 05:10:35,088 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. 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 loop head at line 28 to check that procedure precondition always holds at line 29. 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 28 to loop head at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 155.2MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.29ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 109.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.04ms. Allocated memory is still 155.2MB. Free memory was 109.5MB in the beginning and 107.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.22ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 118.3MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 357.10ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 71.3MB in the end (delta: 46.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:10:35,115 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...