./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:12:25,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:12:25,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:12:25,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:12:25,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:12:25,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:12:25,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:12:25,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:12:25,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:12:25,445 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:12:25,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:12:25,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:12:25,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:12:25,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:12:25,446 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:12:25,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:12:25,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:12:25,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:12:25,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:12:25,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:12:25,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:12:25,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:12:25,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:12:25,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:12:25,453 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:12:25,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:12:25,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:12:25,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:12:25,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:12:25,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:12:25,455 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:12:25,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:12:25,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:12:25,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:25,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:12:25,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:12:25,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:12:25,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:12:25,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:12:25,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:12:25,457 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:12:25,460 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:12:25,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:12:25,460 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:12:25,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:12:25,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:12:25,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:12:25,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:12:25,728 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:12:25,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2024-09-20 20:12:27,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:12:27,389 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:12:27,389 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2024-09-20 20:12:27,397 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f85717e22/c0873f5263ba4b99bd42979df7fdb8ce/FLAGf8ec18819 [2024-09-20 20:12:27,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f85717e22/c0873f5263ba4b99bd42979df7fdb8ce [2024-09-20 20:12:27,414 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:12:27,416 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:12:27,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound2.yml/witness-2.1.yml [2024-09-20 20:12:27,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:12:27,471 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:12:27,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:27,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:12:27,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:12:27,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:27" (1/2) ... [2024-09-20 20:12:27,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b96778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:27, skipping insertion in model container [2024-09-20 20:12:27,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:27" (1/2) ... [2024-09-20 20:12:27,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@181bede4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:27, skipping insertion in model container [2024-09-20 20:12:27,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:27" (2/2) ... [2024-09-20 20:12:27,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b96778 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:27, skipping insertion in model container [2024-09-20 20:12:27,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:27" (2/2) ... [2024-09-20 20:12:27,491 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:12:27,491 INFO L1541 ArrayList]: Loop invariant at [L27-L36] ((((((1 <= k) && (y == 1)) && (k <= 2)) && (x == 1)) && (c == 1)) || (((((0 <= k) && (((__int128) y * y) == ((__int128) k * y))) && ((c + ((__int128) c * y)) == (y + ((__int128) y * y)))) && (k <= 2)) && (((((((__int128) y * y) * y) * y) + ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 4)))) [2024-09-20 20:12:27,492 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:12:27,492 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:12:27,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:12:27,681 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/ps4-ll_valuebound2.c[458,471] [2024-09-20 20:12:27,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:27,729 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:12:27,774 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/ps4-ll_valuebound2.c[458,471] Start Parsing Local [2024-09-20 20:12:27,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:27,811 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:12:27,812 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:27 WrapperNode [2024-09-20 20:12:27,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:27,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:12:27,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:12:27,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:12:27,827 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,828 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,838 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,855 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 [2024-09-20 20:12:27,855 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,855 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,860 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,864 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,868 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,901 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:12:27,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:12:27,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:12:27,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:12:27,912 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 20.09 08:12:27" (1/1) ... [2024-09-20 20:12:27,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:27,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:12:28,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:12:28,017 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:12:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:12:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:12:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:12:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:12:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:12:28,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:12:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:12:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:12:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:12:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:12:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-20 20:12:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:12:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:12:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:12:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:12:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:12:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:12:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:12:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:12:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:12:28,140 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:12:28,142 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:12:28,284 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:12:28,306 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:12:28,348 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:12:28,349 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:12:28,350 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:28 BoogieIcfgContainer [2024-09-20 20:12:28,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:12:28,350 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:12:28,350 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:12:28,352 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:12:28,352 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:12:27" (1/4) ... [2024-09-20 20:12:28,352 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44aad312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,352 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:27" (2/4) ... [2024-09-20 20:12:28,353 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44aad312 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,353 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 20.09 08:12:27" (3/4) ... [2024-09-20 20:12:28,353 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44aad312 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,353 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:28" (4/4) ... [2024-09-20 20:12:28,354 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound2.c [2024-09-20 20:12:28,358 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:12:28,358 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:12:28,360 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:12:28,360 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:12:28,360 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:12:28,360 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:12:28,360 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:12:28,361 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:12:28,361 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:12:28,361 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-20 20:12:28,425 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:12:28,426 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:28,426 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:28,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:28,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:28,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,439 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:12:28,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:28,440 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:28,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:28,445 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:28,463 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:28,493 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:12:28,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:28,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:28,498 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:28,498 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:28,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,526 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:12:28,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:28,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:28,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:28,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:28,533 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:28,545 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:12:28,545 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:28,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:28,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:28,545 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:28,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,551 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:12:28,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:28,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:28,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:28,551 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:28,556 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:28,569 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:12:28,570 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:28,570 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:28,570 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:28,570 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:28,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,578 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:12:28,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:28,579 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:28,579 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:28,579 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:28,588 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:12:28,605 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:12:28,605 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:28,606 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:28,606 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:28,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:28,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,618 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:12:28,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,619 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:28,619 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:28,619 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:28,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:28,648 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:12:28,662 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:12:28,663 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:28,664 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:28,664 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:28,664 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:28,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,668 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:12:28,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,668 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:28,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:28,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:28,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:28,671 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:28,683 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:12:28,684 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:28,684 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:28,685 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:28,685 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:28,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,687 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:12:28,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:28,687 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:28,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:28,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:28,690 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:12:28,704 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:12:28,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:28,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:28,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:28,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:28,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,723 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-20 20:12:28,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:28,723 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:28,724 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:28,724 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:28,726 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:28,730 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:28,733 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:12:28,733 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44aad312 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:28, skipping insertion in model container [2024-09-20 20:12:28,733 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:28,735 INFO L158 Benchmark]: Toolchain (without parser) took 1262.87ms. Allocated memory is still 180.4MB. Free memory was 110.8MB in the beginning and 101.2MB in the end (delta: 9.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-20 20:12:28,735 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 180.4MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:28,735 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 180.4MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:28,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.97ms. Allocated memory is still 180.4MB. Free memory was 110.6MB in the beginning and 97.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:12:28,739 INFO L158 Benchmark]: Boogie Preprocessor took 95.92ms. Allocated memory is still 180.4MB. Free memory was 97.1MB in the beginning and 152.0MB in the end (delta: -54.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-09-20 20:12:28,740 INFO L158 Benchmark]: RCFGBuilder took 439.62ms. Allocated memory is still 180.4MB. Free memory was 152.0MB in the beginning and 138.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:28,740 INFO L158 Benchmark]: Referee took 382.98ms. Allocated memory is still 180.4MB. Free memory was 138.7MB in the beginning and 101.2MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-20 20:12:28,745 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. 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 27 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 27 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. 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 0.19ms. Allocated memory is still 180.4MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 180.4MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.97ms. Allocated memory is still 180.4MB. Free memory was 110.6MB in the beginning and 97.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.92ms. Allocated memory is still 180.4MB. Free memory was 97.1MB in the beginning and 152.0MB in the end (delta: -54.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * RCFGBuilder took 439.62ms. Allocated memory is still 180.4MB. Free memory was 152.0MB in the beginning and 138.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 382.98ms. Allocated memory is still 180.4MB. Free memory was 138.7MB in the beginning and 101.2MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:12:28,776 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE