./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 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/ps6-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound20.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-de32597-m [2024-09-17 19:41:49,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:41:49,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:41:49,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:41:49,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:41:49,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:41:49,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:41:49,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:41:49,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:41:49,973 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:41:49,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:41:49,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:41:49,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:41:49,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:41:49,976 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:41:49,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:41:49,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:41:49,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:41:49,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:41:49,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:41:49,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:41:49,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:41:49,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:41:49,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:41:49,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:41:49,982 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:41:49,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:41:49,982 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:41:49,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:41:49,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:41:49,983 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:41:49,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:41:49,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:41:49,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:41:49,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:41:49,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:41:49,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:41:49,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:41:49,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:41:49,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:41:49,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:41:49,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:41:49,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:41:49,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:41:50,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:41:50,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:41:50,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:41:50,263 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:41:50,264 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:41:50,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound20.yml/witness-2.1.yml [2024-09-17 19:41:50,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:41:50,328 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:41:50,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-09-17 19:41:51,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:41:51,894 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:41:51,894 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-09-17 19:41:51,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3366eb5d3/1241e7f1e6784d1e9ca8fc9e04e94b0d/FLAGfa7264c17 [2024-09-17 19:41:51,912 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3366eb5d3/1241e7f1e6784d1e9ca8fc9e04e94b0d [2024-09-17 19:41:51,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:41:51,913 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:41:51,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:41:51,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:41:51,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:41:51,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:50" (1/2) ... [2024-09-17 19:41:51,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118b8705 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:41:51, skipping insertion in model container [2024-09-17 19:41:51,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:50" (1/2) ... [2024-09-17 19:41:51,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7372198d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:41:51, skipping insertion in model container [2024-09-17 19:41:51,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:41:51" (2/2) ... [2024-09-17 19:41:51,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118b8705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:51, skipping insertion in model container [2024-09-17 19:41:51,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:41:51" (2/2) ... [2024-09-17 19:41:51,936 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:41:51,937 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((c + ((__int128) c * y)) == (y + ((__int128) y * y))) && ((((__int128) c * 2) + ((__int128) c * y)) == (((__int128) y * 2) + ((__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)))) [2024-09-17 19:41:51,937 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:41:51,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:41:52,097 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/ps6-ll_valuebound20.c[458,471] [2024-09-17 19:41:52,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:41:52,141 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-17 19:41:52,177 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/ps6-ll_valuebound20.c[458,471] Start Parsing Local [2024-09-17 19:41:52,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:41:52,203 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:41:52,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52 WrapperNode [2024-09-17 19:41:52,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:41:52,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:41:52,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:41:52,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:41:52,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,236 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-17 19:41:52,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:41:52,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:41:52,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:41:52,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:41:52,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (1/1) ... [2024-09-17 19:41:52,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:41:52,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:41:52,297 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) [2024-09-17 19:41:52,300 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 [2024-09-17 19:41:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:41:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:41:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:41:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:41:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:41:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-17 19:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:41:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:41:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:41:52,401 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:41:52,403 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:41:52,558 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:41:52,574 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:41:52,597 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:41:52,598 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:41:52,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:41:52 BoogieIcfgContainer [2024-09-17 19:41:52,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:41:52,600 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:41:52,600 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:41:52,601 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:41:52,601 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:41:50" (1/4) ... [2024-09-17 19:41:52,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27863084 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:41:52, skipping insertion in model container [2024-09-17 19:41:52,602 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:41:51" (2/4) ... [2024-09-17 19:41:52,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27863084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:41:52, skipping insertion in model container [2024-09-17 19:41:52,602 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:52" (3/4) ... [2024-09-17 19:41:52,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27863084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:41:52, skipping insertion in model container [2024-09-17 19:41:52,603 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:41:52" (4/4) ... [2024-09-17 19:41:52,604 INFO L79 RefereeObserver]: Analyzing ICFG ps6-ll_valuebound20.c [2024-09-17 19:41:52,607 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:41:52,608 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:41:52,608 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:41:52,609 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:41:52,609 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:41:52,610 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:41:52,610 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:41:52,610 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:41:52,611 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-17 19:41:52,696 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:41:52,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:52,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:52,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:52,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:52,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,736 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:41:52,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:52,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:52,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:52,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:52,772 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:52,801 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:52,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:52,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:52,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:52,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:52,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,812 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:52,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,814 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:52,815 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:52,815 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:52,815 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:52,817 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:52,842 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:41:52,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:52,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:52,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:52,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:52,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,850 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:41:52,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:52,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:52,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:52,852 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:52,861 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:52,877 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:41:52,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:52,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:52,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:52,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:52,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,902 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:41:52,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,903 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:52,903 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:52,903 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:52,903 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:52,915 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:52,930 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:41:52,931 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:52,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:52,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:52,933 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:52,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,935 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:41:52,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:52,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:52,937 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:52,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:52,940 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:52,952 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:52,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:52,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:52,955 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:52,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:52,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,956 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:52,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,957 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:52,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:52,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:52,958 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:52,960 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:41:52,973 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-17 19:41:52,973 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:52,973 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:52,973 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:52,974 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:52,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,994 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-17 19:41:52,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:52,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:52,995 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:52,996 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:52,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:53,003 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:53,006 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:41:53,006 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27863084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:41:53, skipping insertion in model container [2024-09-17 19:41:53,006 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:41:53,010 INFO L158 Benchmark]: Toolchain (without parser) took 1093.92ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 86.6MB in the end (delta: -23.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-09-17 19:41:53,011 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:53,012 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:53,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.10ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 62.7MB in the beginning and 146.4MB in the end (delta: -83.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-09-17 19:41:53,013 INFO L158 Benchmark]: Boogie Preprocessor took 51.50ms. Allocated memory is still 174.1MB. Free memory was 145.3MB in the beginning and 144.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:53,014 INFO L158 Benchmark]: RCFGBuilder took 342.87ms. Allocated memory is still 174.1MB. Free memory was 144.3MB in the beginning and 128.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-17 19:41:53,014 INFO L158 Benchmark]: Referee took 406.73ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 86.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-17 19:41:53,019 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 28. 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 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 39. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.10ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 62.7MB in the beginning and 146.4MB in the end (delta: -83.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.50ms. Allocated memory is still 174.1MB. Free memory was 145.3MB in the beginning and 144.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.87ms. Allocated memory is still 174.1MB. Free memory was 144.3MB in the beginning and 128.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 406.73ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 86.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:41:53,051 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE