./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/nested9.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/nested9.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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/loop-invgen/nested9.i ../results/automizer-verification-files/SV-COMP24_unreach-call/nested9.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-dev-a9b967e-m [2024-09-12 16:48:19,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:19,433 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:19,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:19,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:19,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:19,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:19,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:19,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:19,473 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:19,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:19,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:19,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:19,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:19,475 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:19,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:19,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:19,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:19,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:19,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:19,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:19,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:19,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:19,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:19,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:19,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:19,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:19,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:19,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:19,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:19,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:19,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:19,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:19,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:19,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:19,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:19,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:19,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:19,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:19,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:19,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:19,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:19,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:19,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:19,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:19,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:19,793 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:19,797 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:19,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested9.yml/witness-2.1.yml [2024-09-12 16:48:19,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:19,856 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:19,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nested9.i [2024-09-12 16:48:21,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:21,471 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:21,471 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested9.i [2024-09-12 16:48:21,479 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6f3105c63/80ef4e07165b46b7a0706f41393ba76f/FLAGfb9c9a043 [2024-09-12 16:48:21,494 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6f3105c63/80ef4e07165b46b7a0706f41393ba76f [2024-09-12 16:48:21,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:21,496 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:21,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:21,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:21,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:21,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:19" (1/2) ... [2024-09-12 16:48:21,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b461cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:21, skipping insertion in model container [2024-09-12 16:48:21,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:19" (1/2) ... [2024-09-12 16:48:21,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ec26801 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:21, skipping insertion in model container [2024-09-12 16:48:21,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:21" (2/2) ... [2024-09-12 16:48:21,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b461cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21, skipping insertion in model container [2024-09-12 16:48:21,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:21" (2/2) ... [2024-09-12 16:48:21,522 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:21,524 INFO L1541 ArrayList]: Loop invariant at [L35-L37] (((((((long long) i + 1) <= n) && (j <= ((i + ((long long) n * 2)) + 1))) && (((long long) i * 2) <= j)) && (1 <= i)) || (((1 <= n) && (j == 0)) && (i == 0))) [2024-09-12 16:48:21,524 INFO L1541 ArrayList]: Loop invariant at [L34-L37] (((((i <= ((long long) n + 1)) && (2 <= n)) && (1 <= i)) || ((i == 1) && (0 <= n))) || (i == 0)) [2024-09-12 16:48:21,525 INFO L1541 ArrayList]: Loop invariant at [L36-L37] ((((((long long) i + 1) <= n) && (((long long) j + 1) <= ((long long) i * 3))) && (k <= (i + ((long long) n * 2)))) && (((long long) i * 2) <= j)) [2024-09-12 16:48:21,525 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:48:21,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:21,698 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2024-09-12 16:48:21,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:21,723 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:48:21,760 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested9.i[893,906] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:21,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:21,795 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:21,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21 WrapperNode [2024-09-12 16:48:21,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:21,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:21,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:21,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:21,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,822 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 [2024-09-12 16:48:21,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:21,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:21,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:21,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:21,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (1/1) ... [2024-09-12 16:48:21,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:21,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:21,864 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) [2024-09-12 16:48:21,866 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 [2024-09-12 16:48:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:21,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:48:21,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:48:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:48:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:48:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:48:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:48:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:21,998 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:22,003 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:22,214 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:48:22,253 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:22,253 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:22,282 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:22,283 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-12 16:48:22,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:22 BoogieIcfgContainer [2024-09-12 16:48:22,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:22,284 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:22,284 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:22,285 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:22,285 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:19" (1/4) ... [2024-09-12 16:48:22,286 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@783740fc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:22, skipping insertion in model container [2024-09-12 16:48:22,286 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:21" (2/4) ... [2024-09-12 16:48:22,286 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@783740fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:22, skipping insertion in model container [2024-09-12 16:48:22,286 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:21" (3/4) ... [2024-09-12 16:48:22,287 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@783740fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:22, skipping insertion in model container [2024-09-12 16:48:22,287 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:22" (4/4) ... [2024-09-12 16:48:22,288 INFO L79 RefereeObserver]: Analyzing ICFG nested9.i [2024-09-12 16:48:22,291 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-12 16:48:22,292 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:22,292 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:22,292 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 16:48:22,293 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:22,293 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:22,293 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:48:22,293 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:48:22,293 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:22,294 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:22,294 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:22,349 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:48:22,350 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,350 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,387 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:48:22,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,416 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:22,440 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:22,443 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,443 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,443 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,444 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,453 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:22,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,454 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,454 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,455 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,455 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,459 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:22,475 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 16:48:22,476 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,476 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,477 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,477 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,492 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 16:48:22,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,493 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,494 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,499 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:22,516 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:22,516 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,516 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,518 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,528 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 16:48:22,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,530 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,530 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,530 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,536 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,541 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:22,558 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:22,559 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,559 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,559 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,559 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,569 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 16:48:22,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,570 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,570 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,573 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,576 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:22,590 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:22,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,595 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:22,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,600 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:22,612 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:22,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,615 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:48:22,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,619 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:48:22,628 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:22,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,629 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,630 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,633 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:22,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,634 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,636 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,636 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,638 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:48:22,648 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:22,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:22,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:22,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:22,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:22,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,652 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:22,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:22,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:22,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:22,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:22,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:22,655 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:22,658 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:48:22,659 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@783740fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:48:22, skipping insertion in model container [2024-09-12 16:48:22,659 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:48:22,661 INFO L158 Benchmark]: Toolchain (without parser) took 1164.04ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 66.5MB in the end (delta: 32.8MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-09-12 16:48:22,662 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:22,662 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:22,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.92ms. Allocated memory is still 140.5MB. Free memory was 98.9MB in the beginning and 85.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:22,664 INFO L158 Benchmark]: Boogie Preprocessor took 37.64ms. Allocated memory is still 140.5MB. Free memory was 85.1MB in the beginning and 83.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:22,665 INFO L158 Benchmark]: RCFGBuilder took 448.13ms. Allocated memory is still 140.5MB. Free memory was 83.1MB in the beginning and 101.0MB in the end (delta: -18.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-12 16:48:22,665 INFO L158 Benchmark]: Referee took 375.35ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 66.5MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-12 16:48:22,668 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 34. 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 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.92ms. Allocated memory is still 140.5MB. Free memory was 98.9MB in the beginning and 85.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.64ms. Allocated memory is still 140.5MB. Free memory was 85.1MB in the beginning and 83.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.13ms. Allocated memory is still 140.5MB. Free memory was 83.1MB in the beginning and 101.0MB in the end (delta: -18.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 375.35ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 66.5MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:22,698 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