./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/hh2012-ex2b.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex2b.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 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-lit/hh2012-ex2b.i ../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex2b.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-04d6fb3-m [2024-09-15 20:05:42,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:42,487 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:05:42,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:42,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:42,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:42,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:42,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:42,512 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:42,512 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:42,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:42,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:42,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:42,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:42,513 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:42,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:42,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:42,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:42,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:05:42,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:42,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:42,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:42,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:42,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:42,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:42,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:42,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:42,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:42,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:42,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:42,521 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:42,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:42,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:42,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:42,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:42,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:42,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:42,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:05:42,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:05:42,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:42,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:42,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:42,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:42,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:42,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:42,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:42,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:42,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:42,731 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:42,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/hh2012-ex2b.i [2024-09-15 20:05:43,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:44,065 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:44,066 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex2b.i [2024-09-15 20:05:44,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0e958625b/42470a3f1472422eab5ccb5418c53618/FLAGabc8ea5c5 [2024-09-15 20:05:44,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0e958625b/42470a3f1472422eab5ccb5418c53618 [2024-09-15 20:05:44,083 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:44,084 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:44,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex2b.yml/witness-2.1.yml [2024-09-15 20:05:44,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:44,123 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:44,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:44,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:44,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:44,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:44" (1/2) ... [2024-09-15 20:05:44,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc8a97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:44, skipping insertion in model container [2024-09-15 20:05:44,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:44" (1/2) ... [2024-09-15 20:05:44,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@844d353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:44, skipping insertion in model container [2024-09-15 20:05:44,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:44" (2/2) ... [2024-09-15 20:05:44,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc8a97e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:44, skipping insertion in model container [2024-09-15 20:05:44,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:44" (2/2) ... [2024-09-15 20:05:44,138 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:44,140 INFO L1541 ArrayList]: Loop invariant at [L17-L28] (n < 61) [2024-09-15 20:05:44,140 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-15 20:05:44,140 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures 0 [2024-09-15 20:05:44,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:44,263 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/loop-lit/hh2012-ex2b.i[800,813] [2024-09-15 20:05:44,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:44,298 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:05:44,338 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/loop-lit/hh2012-ex2b.i[800,813] Start Parsing Global Start Parsing Local [2024-09-15 20:05:44,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:44,356 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:44,356 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:44 WrapperNode [2024-09-15 20:05:44,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:44,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:44,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:44,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:44,366 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,366 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,370 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,377 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 [2024-09-15 20:05:44,379 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,379 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,382 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,387 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,391 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,392 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:44,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:44,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:44,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:44,395 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 15.09 08:05:44" (1/1) ... [2024-09-15 20:05:44,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:44,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:44,434 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) [2024-09-15 20:05:44,437 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 [2024-09-15 20:05:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:05:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:05:44,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:05:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:05:44,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:44,530 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:44,533 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:44,630 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:05:44,644 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:44,666 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:44,666 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:05:44,667 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:44 BoogieIcfgContainer [2024-09-15 20:05:44,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:44,667 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:44,667 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:44,668 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:44,668 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:44" (1/4) ... [2024-09-15 20:05:44,669 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e41286c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:44, skipping insertion in model container [2024-09-15 20:05:44,669 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:44" (2/4) ... [2024-09-15 20:05:44,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e41286c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:44, skipping insertion in model container [2024-09-15 20:05:44,670 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 15.09 08:05:44" (3/4) ... [2024-09-15 20:05:44,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e41286c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:44, skipping insertion in model container [2024-09-15 20:05:44,670 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:44" (4/4) ... [2024-09-15 20:05:44,671 INFO L79 RefereeObserver]: Analyzing ICFG hh2012-ex2b.i [2024-09-15 20:05:44,674 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:05:44,675 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:05:44,675 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-15 20:05:44,675 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-15 20:05:44,676 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:05:44,676 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:05:44,676 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:05:44,676 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:05:44,677 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-15 20:05:44,711 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:05:44,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:44,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:44,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:44,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:44,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,742 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:05:44,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,743 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:44,743 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:44,743 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:44,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:44,757 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:05:44,767 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-15 20:05:44,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:44,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:44,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:44,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:44,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,792 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-15 20:05:44,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:44,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:44,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:44,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:44,812 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:44,818 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:05:44,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:44,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:44,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:44,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:44,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,820 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:05:44,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,820 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:44,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:44,820 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:44,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:44,826 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:44,830 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:05:44,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:44,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:44,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:44,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:44,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,834 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:05:44,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:44,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:44,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:44,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:44,838 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:05:44,842 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:05:44,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:44,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:44,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:44,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:44,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,847 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:05:44,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:44,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:44,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:44,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:44,853 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:05:44,859 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:05:44,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:44,859 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:44,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:44,860 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:44,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,862 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:05:44,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:44,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:44,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:44,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:44,865 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:05:44,869 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:05:44,869 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:44,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:44,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:44,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:44,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,877 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-15 20:05:44,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:44,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:44,878 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:44,878 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:44,878 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:44,880 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:05:44,883 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-15 20:05:44,884 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e41286c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:05:44, skipping insertion in model container [2024-09-15 20:05:44,884 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:05:44,885 INFO L158 Benchmark]: Toolchain (without parser) took 761.75ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 78.5MB in the beginning and 151.4MB in the end (delta: -73.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:44,885 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:44,886 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 80.4MB in the end (delta: 154.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:44,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.39ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 78.3MB in the beginning and 183.1MB in the end (delta: -104.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-09-15 20:05:44,888 INFO L158 Benchmark]: Boogie Preprocessor took 36.29ms. Allocated memory is still 211.8MB. Free memory was 183.1MB in the beginning and 181.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:44,888 INFO L158 Benchmark]: RCFGBuilder took 273.15ms. Allocated memory is still 211.8MB. Free memory was 181.0MB in the beginning and 168.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:05:44,888 INFO L158 Benchmark]: Referee took 216.39ms. Allocated memory is still 211.8MB. Free memory was 168.4MB in the beginning and 151.4MB in the end (delta: 17.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-15 20:05:44,892 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 loop head at line 17 to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. 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 13. Annotation is valid for all loop-free paths from loop head at line 17 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.27ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 80.4MB in the end (delta: 154.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.39ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 78.3MB in the beginning and 183.1MB in the end (delta: -104.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.29ms. Allocated memory is still 211.8MB. Free memory was 183.1MB in the beginning and 181.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 273.15ms. Allocated memory is still 211.8MB. Free memory was 181.0MB in the beginning and 168.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 216.39ms. Allocated memory is still 211.8MB. Free memory was 168.4MB in the beginning and 151.4MB in the end (delta: 17.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-15 20:05:44,914 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