./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.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/ps6-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.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 20:12:28,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:12:28,876 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:12:28,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:12:28,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:12:28,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:12:28,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:12:28,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:12:28,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:12:28,923 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:12:28,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:12:28,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:12:28,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:12:28,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:12:28,925 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:12:28,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:12:28,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:12:28,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:12:28,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:12:28,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:12:28,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:12:28,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:12:28,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:12:28,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:12:28,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:12:28,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:12:28,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:12:28,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:12:28,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:12:28,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:12:28,931 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:12:28,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:12:28,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:12:28,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:28,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:12:28,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:12:28,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:12:28,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:12:28,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:12:28,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:12:28,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:12:28,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:12:28,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:12:28,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:12:29,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:12:29,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:12:29,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:12:29,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:12:29,253 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:12:29,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-09-20 20:12:30,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:12:30,881 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:12:30,881 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-09-20 20:12:30,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/86736b259/c7dc991fab0a40c7811c751c910d0cf1/FLAG2a33dcca0 [2024-09-20 20:12:30,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/86736b259/c7dc991fab0a40c7811c751c910d0cf1 [2024-09-20 20:12:30,908 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:12:30,909 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:12:30,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.yml/witness-2.1.yml [2024-09-20 20:12:30,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:12:30,966 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:12:30,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:30,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:12:30,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:12:30,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:30" (1/2) ... [2024-09-20 20:12:30,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8f6727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:30, skipping insertion in model container [2024-09-20 20:12:30,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:30" (1/2) ... [2024-09-20 20:12:30,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fb84075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:30, skipping insertion in model container [2024-09-20 20:12:30,979 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 08:12:30" (2/2) ... [2024-09-20 20:12:30,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8f6727 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:30, skipping insertion in model container [2024-09-20 20:12:30,979 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 08:12:30" (2/2) ... [2024-09-20 20:12:30,988 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:12:30,989 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((y == 1) && (x == 1)) && (k == 1)) && (c == 1)) || (((((x == 0) && (0 <= k)) && (k <= 1)) && (c == 0)) && (y == 0))) [2024-09-20 20:12:30,989 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:12:30,990 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:12:31,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:12:31,167 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_valuebound1.c[458,471] [2024-09-20 20:12:31,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:31,196 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:12:31,228 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_valuebound1.c[458,471] Start Parsing Local [2024-09-20 20:12:31,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:31,254 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:12:31,255 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:31 WrapperNode [2024-09-20 20:12:31,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:31,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:12:31,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:12:31,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:12:31,268 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,269 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,276 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,290 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 20:12:31,290 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,290 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,299 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,302 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,303 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,304 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:12:31,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:12:31,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:12:31,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:12:31,307 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 08:12:31" (1/1) ... [2024-09-20 20:12:31,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:31,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:12:31,336 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 20:12:31,342 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 20:12:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:12:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:12:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:12:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:12:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:12:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:12:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:12:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:12:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:12:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:12:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-20 20:12:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:12:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:12:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:12:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:12:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:12:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:12:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:12:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:12:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:12:31,448 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:12:31,450 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:12:31,587 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:12:31,604 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:12:31,625 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:12:31,625 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:12:31,625 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:31 BoogieIcfgContainer [2024-09-20 20:12:31,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:12:31,626 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:12:31,626 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:12:31,627 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:12:31,627 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:12:30" (1/4) ... [2024-09-20 20:12:31,628 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2382dc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:12:31, skipping insertion in model container [2024-09-20 20:12:31,628 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 08:12:30" (2/4) ... [2024-09-20 20:12:31,628 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2382dc48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:12:31, skipping insertion in model container [2024-09-20 20:12:31,628 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 08:12:31" (3/4) ... [2024-09-20 20:12:31,629 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2382dc48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:12:31, skipping insertion in model container [2024-09-20 20:12:31,629 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 08:12:31" (4/4) ... [2024-09-20 20:12:31,632 INFO L79 RefereeObserver]: Analyzing ICFG ps6-ll_valuebound1.c [2024-09-20 20:12:31,636 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:12:31,637 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 20:12:31,637 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:12:31,637 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:12:31,638 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:12:31,638 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:12:31,638 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 20:12:31,638 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 20:12:31,638 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:12:31,639 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-20 20:12:31,694 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:12:31,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:31,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:31,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:31,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:31,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,708 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:12:31,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:31,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:31,711 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:31,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:31,730 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:31,757 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:12:31,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:31,757 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:31,757 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:31,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:31,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,775 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:12:31,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:31,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:31,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:31,780 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:31,782 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:31,803 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:12:31,804 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:31,805 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:31,805 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:31,805 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:31,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,811 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:12:31,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,811 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:31,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:31,812 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:31,812 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:31,815 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:31,832 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:12:31,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:31,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:31,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:31,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:31,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,839 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:12:31,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:31,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:31,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:31,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:31,843 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:12:31,856 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:12:31,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:31,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:31,856 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:31,857 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:31,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,869 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:12:31,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,870 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:31,870 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:31,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:31,870 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:31,876 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:12:31,890 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:12:31,890 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:31,890 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:31,890 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:31,891 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:31,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,894 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:12:31,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:31,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:31,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:31,896 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:31,897 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:31,914 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:12:31,915 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:31,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:31,916 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:31,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:31,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,920 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:12:31,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:31,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:31,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:31,921 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:31,923 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:12:31,937 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:12:31,937 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:31,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:31,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:31,938 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:31,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,956 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-20 20:12:31,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:31,957 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:31,957 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:31,957 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:31,960 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:31,964 INFO L520 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:12:31,968 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:12:31,969 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2382dc48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:31, skipping insertion in model container [2024-09-20 20:12:31,969 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:31,972 INFO L158 Benchmark]: Toolchain (without parser) took 1004.75ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 63.2MB in the beginning and 97.3MB in the end (delta: -34.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-09-20 20:12:31,973 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory was 108.0MB in the beginning and 107.8MB in the end (delta: 124.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:31,973 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:31,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.88ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 62.9MB in the beginning and 151.8MB in the end (delta: -88.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-09-20 20:12:31,975 INFO L158 Benchmark]: Boogie Preprocessor took 49.39ms. Allocated memory is still 188.7MB. Free memory was 151.8MB in the beginning and 150.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:12:31,976 INFO L158 Benchmark]: RCFGBuilder took 319.69ms. Allocated memory is still 188.7MB. Free memory was 149.7MB in the beginning and 136.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:12:31,976 INFO L158 Benchmark]: Referee took 343.46ms. Allocated memory is still 188.7MB. Free memory was 136.0MB in the beginning and 97.3MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-20 20:12:31,980 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 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 loop head at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory was 108.0MB in the beginning and 107.8MB in the end (delta: 124.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.88ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 62.9MB in the beginning and 151.8MB in the end (delta: -88.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.39ms. Allocated memory is still 188.7MB. Free memory was 151.8MB in the beginning and 150.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.69ms. Allocated memory is still 188.7MB. Free memory was 149.7MB in the beginning and 136.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 343.46ms. Allocated memory is still 188.7MB. Free memory was 136.0MB in the beginning and 97.3MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:12:32,007 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