./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-new/half.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/half.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-new/half.i ../results/automizer-verification-files/SV-COMP24_unreach-call/half.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-6908dde-m [2024-09-25 00:27:33,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:33,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:33,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:33,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:33,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:33,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:33,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:33,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:33,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:33,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:33,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:33,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:33,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:33,249 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:33,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:33,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:33,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:33,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:33,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:33,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:33,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:33,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:33,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:33,254 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:33,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:33,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:33,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:33,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:33,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:33,255 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:33,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:33,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:33,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:33,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:33,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:33,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:33,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:33,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:33,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:33,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:33,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:33,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:33,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:33,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:33,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:33,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:33,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:33,483 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:33,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/half.i [2024-09-25 00:27:34,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:34,922 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:34,923 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/half.i [2024-09-25 00:27:34,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e40d95fe8/97c8a65fb40d48cd851de5197a42aba5/FLAG1230ed977 [2024-09-25 00:27:35,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e40d95fe8/97c8a65fb40d48cd851de5197a42aba5 [2024-09-25 00:27:35,344 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:35,345 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:35,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/half.yml/witness-2.1.yml [2024-09-25 00:27:35,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:35,391 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:35,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:35,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:35,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:35,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:35" (1/2) ... [2024-09-25 00:27:35,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a66a75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:35, skipping insertion in model container [2024-09-25 00:27:35,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:35" (1/2) ... [2024-09-25 00:27:35,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52277606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:35, skipping insertion in model container [2024-09-25 00:27:35,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:35" (2/2) ... [2024-09-25 00:27:35,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a66a75f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:35, skipping insertion in model container [2024-09-25 00:27:35,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:35" (2/2) ... [2024-09-25 00:27:35,411 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:35,411 INFO L1541 ArrayList]: Loop invariant at [L29-L33] ((((((long long) n * 2) == ((long long) i + 1)) && (n <= k)) || ((n == 0) && (i == 0))) || ((i == ((long long) n * 2)) && (n <= k))) [2024-09-25 00:27:35,412 INFO L1541 ArrayList]: Function contract at [L17]: requires (cond != 0), ensures (cond != 0) [2024-09-25 00:27:35,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:35,615 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-new/half.i[891,904] [2024-09-25 00:27:35,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:35,631 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:27:35,658 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-new/half.i[891,904] Start Parsing Local [2024-09-25 00:27:35,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:35,674 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:35,675 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:35 WrapperNode [2024-09-25 00:27:35,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:35,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:35,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:35,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:35,687 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,687 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,692 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,706 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 [2024-09-25 00:27:35,707 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,707 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,712 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,717 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,719 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,720 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:35,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:35,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:35,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:35,727 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 25.09 12:27:35" (1/1) ... [2024-09-25 00:27:35,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:35,755 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) [2024-09-25 00:27:35,757 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 [2024-09-25 00:27:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:35,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:27:35,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:27:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:27:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:35,885 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:35,888 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:35,998 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:27:36,007 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:36,039 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:36,042 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:27:36,043 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:36 BoogieIcfgContainer [2024-09-25 00:27:36,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:36,044 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:36,044 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:36,045 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:36,045 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:35" (1/4) ... [2024-09-25 00:27:36,046 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ac0a631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:36, skipping insertion in model container [2024-09-25 00:27:36,046 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:35" (2/4) ... [2024-09-25 00:27:36,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ac0a631 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:36, skipping insertion in model container [2024-09-25 00:27:36,047 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 25.09 12:27:35" (3/4) ... [2024-09-25 00:27:36,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ac0a631 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:36, skipping insertion in model container [2024-09-25 00:27:36,048 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:36" (4/4) ... [2024-09-25 00:27:36,049 INFO L79 RefereeObserver]: Analyzing ICFG half.i [2024-09-25 00:27:36,059 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:27:36,059 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:27:36,059 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:36,059 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 00:27:36,060 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:27:36,060 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:27:36,060 INFO L131 InvariantChecker]: Will check 2 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 error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:27:36,110 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:27:36,111 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:36,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:36,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:36,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:36,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,124 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:27:36,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:36,126 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:36,126 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:36,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:36,145 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:27:36,164 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:36,165 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:36,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:36,165 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:36,165 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:36,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,173 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:36,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,176 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:36,176 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:36,176 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:36,176 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:36,181 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:36,193 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 00:27:36,194 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:36,194 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:36,194 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:36,194 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:36,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,211 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-25 00:27:36,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:36,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:36,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:36,217 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:36,223 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:36,235 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:36,236 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:36,236 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:36,236 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:36,236 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:36,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,238 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:27:36,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:36,239 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:36,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:36,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:36,241 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:27:36,247 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:36,249 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:36,250 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:36,250 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:36,250 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:36,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,251 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:36,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:36,252 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:36,252 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:36,252 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:36,252 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:36,253 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:27:36,258 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:27:36,259 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ac0a631 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:36, skipping insertion in model container [2024-09-25 00:27:36,259 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:36,260 INFO L158 Benchmark]: Toolchain (without parser) took 868.42ms. Allocated memory is still 165.7MB. Free memory was 95.8MB in the beginning and 100.1MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:36,261 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:36,261 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:36,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.49ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 132.3MB in the end (delta: -36.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-25 00:27:36,263 INFO L158 Benchmark]: Boogie Preprocessor took 48.52ms. Allocated memory is still 165.7MB. Free memory was 132.3MB in the beginning and 130.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:36,263 INFO L158 Benchmark]: RCFGBuilder took 318.28ms. Allocated memory is still 165.7MB. Free memory was 130.1MB in the beginning and 117.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:36,263 INFO L158 Benchmark]: Referee took 215.12ms. Allocated memory is still 165.7MB. Free memory was 117.7MB in the beginning and 100.1MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-25 00:27:36,267 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 29 to check that procedure precondition always holds at line 29. Annotation is valid for all loop-free paths from entry of procedure main to loop head 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 19. Annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.49ms. Allocated memory is still 165.7MB. Free memory was 95.6MB in the beginning and 132.3MB in the end (delta: -36.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.52ms. Allocated memory is still 165.7MB. Free memory was 132.3MB in the beginning and 130.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.28ms. Allocated memory is still 165.7MB. Free memory was 130.1MB in the beginning and 117.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 215.12ms. Allocated memory is still 165.7MB. Free memory was 117.7MB in the beginning and 100.1MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:27:36,294 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