./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/egcd-ll.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/egcd-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.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-f1d7dc9-m [2024-09-20 13:26:44,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:26:44,158 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:26:44,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:26:44,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:26:44,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:26:44,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:26:44,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:26:44,188 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:26:44,188 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:26:44,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:26:44,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:26:44,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:26:44,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:26:44,190 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:26:44,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:26:44,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:26:44,191 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:26:44,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:26:44,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:26:44,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:26:44,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:26:44,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:26:44,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:26:44,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:26:44,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:26:44,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:26:44,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:26:44,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:26:44,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:26:44,198 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:26:44,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:26:44,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:26:44,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:44,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:26:44,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:26:44,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:26:44,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:26:44,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:26:44,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:26:44,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:26:44,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:26:44,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:26:44,208 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:26:44,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:26:44,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:26:44,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:26:44,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:26:44,491 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:26:44,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-20 13:26:46,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:26:46,173 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:26:46,174 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-20 13:26:46,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/644781a25/4bb71a86590245ca8669ac0547ca9bcd/FLAG18d6997d3 [2024-09-20 13:26:46,195 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/644781a25/4bb71a86590245ca8669ac0547ca9bcd [2024-09-20 13:26:46,200 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:26:46,201 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:26:46,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-20 13:26:46,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:26:46,254 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:26:46,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:46,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:26:46,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:26:46,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:46" (1/2) ... [2024-09-20 13:26:46,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3e0703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:46, skipping insertion in model container [2024-09-20 13:26:46,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:46" (1/2) ... [2024-09-20 13:26:46,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@721250d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:46, skipping insertion in model container [2024-09-20 13:26:46,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:46" (2/2) ... [2024-09-20 13:26:46,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3e0703 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46, skipping insertion in model container [2024-09-20 13:26:46,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:46" (2/2) ... [2024-09-20 13:26:46,273 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:26:46,277 INFO L1541 ArrayList]: Loop invariant at [L33-L50] (((((((__int128) q * x) + a) + ((__int128) y * s)) == ((((__int128) y * r) + b) + ((__int128) p * x))) && (a == (((__int128) y * r) + ((__int128) p * x)))) && (((__int128) p * s) == (((__int128) q * r) + 1))) [2024-09-20 13:26:46,277 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:26:46,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:26:46,430 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] [2024-09-20 13:26:46,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:46,458 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:26:46,495 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] Start Parsing Local [2024-09-20 13:26:46,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:46,530 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:26:46,531 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46 WrapperNode [2024-09-20 13:26:46,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:46,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:26:46,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:26:46,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:26:46,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,548 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,555 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 [2024-09-20 13:26:46,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:26:46,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:26:46,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:26:46,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:26:46,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (1/1) ... [2024-09-20 13:26:46,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:46,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:26:46,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:26:46,659 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:26:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:26:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:26:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:26:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:26:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:26:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:26:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:26:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:26:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:26:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:26:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:26:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:26:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:26:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:26:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:26:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:26:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:26:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:26:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:26:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:26:46,771 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:26:46,775 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:26:46,933 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:26:46,950 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:26:46,979 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:26:46,980 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:26:46,980 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:46 BoogieIcfgContainer [2024-09-20 13:26:46,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:26:46,981 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:26:46,981 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:26:46,982 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:26:46,982 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:26:46" (1/4) ... [2024-09-20 13:26:46,982 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e70dd10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:26:46, skipping insertion in model container [2024-09-20 13:26:46,983 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:46" (2/4) ... [2024-09-20 13:26:46,983 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e70dd10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:46, skipping insertion in model container [2024-09-20 13:26:46,983 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:46" (3/4) ... [2024-09-20 13:26:46,983 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e70dd10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:46, skipping insertion in model container [2024-09-20 13:26:46,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:46" (4/4) ... [2024-09-20 13:26:46,985 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-20 13:26:46,992 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:26:46,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:26:46,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-20 13:26:46,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:26:46,993 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:26:46,994 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 13:26:46,994 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:26:46,994 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 13:26:46,994 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-20 13:26:46,994 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:26:46,994 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:26:46,994 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:26:46,995 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 13:26:47,068 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:26:47,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:47,071 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:47,072 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:47,073 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:47,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,105 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:26:47,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:47,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:47,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:47,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:47,121 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:47,153 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-20 13:26:47,153 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:47,153 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:47,153 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:47,153 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:47,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,200 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-20 13:26:47,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:47,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:47,201 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:47,208 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:47,213 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:47,231 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:26:47,231 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:47,231 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:47,231 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:47,232 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:47,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,250 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-20 13:26:47,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:47,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:47,252 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:47,255 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:47,262 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:47,275 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:26:47,275 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:47,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:47,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:47,276 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:47,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,285 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:26:47,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,286 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:47,286 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:47,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:47,286 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:47,292 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:26:47,307 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 13:26:47,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:47,309 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:47,309 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:47,309 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:47,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,332 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-20 13:26:47,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:47,333 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:47,333 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:47,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:47,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:51,348 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:26:51,361 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:26:51,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:51,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:51,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:51,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:51,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,366 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:26:51,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:51,367 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:51,367 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:51,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:51,370 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:51,382 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 13:26:51,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:51,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:51,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:51,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:51,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,394 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-20 13:26:51,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,394 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:51,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:51,395 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:51,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:51,398 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:51,407 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-20 13:26:51,407 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:51,407 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:51,407 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:51,408 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:51,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,420 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 13:26:51,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:51,423 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:51,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:51,427 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:51,441 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:51,453 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:26:51,454 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:51,454 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:51,454 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:51,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:51,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,457 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:26:51,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,458 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:51,458 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:51,458 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:51,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:51,461 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:26:51,471 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:26:51,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:51,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:51,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:51,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:51,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,473 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:26:51,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:51,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:51,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:51,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:51,475 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:26:51,485 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:26:51,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:51,486 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:51,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:51,486 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:51,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,493 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:26:51,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:51,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:51,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:51,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:51,494 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:51,497 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:51,500 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:26:51,533 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e70dd10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:26:51, skipping insertion in model container [2024-09-20 13:26:51,534 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:26:51,535 INFO L158 Benchmark]: Toolchain (without parser) took 5280.87ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 84.0MB in the beginning and 144.1MB in the end (delta: -60.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-09-20 13:26:51,537 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 79.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:51,538 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:51,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.35ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 70.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:26:51,540 INFO L158 Benchmark]: Boogie Preprocessor took 32.88ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 68.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:26:51,540 INFO L158 Benchmark]: RCFGBuilder took 414.85ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 68.1MB in the beginning and 146.2MB in the end (delta: -78.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-09-20 13:26:51,541 INFO L158 Benchmark]: Referee took 4552.79ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 144.1MB in the end (delta: 2.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-20 13:26:51,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. 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 33 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 53. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. 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 12. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 79.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.35ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 70.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.88ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 68.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.85ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 68.1MB in the beginning and 146.2MB in the end (delta: -78.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Referee took 4552.79ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 144.1MB in the end (delta: 2.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:26:51,576 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/egcd-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.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-f1d7dc9-m [2024-09-20 13:26:53,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:26:53,847 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:26:53,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:26:53,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:26:53,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:26:53,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:26:53,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:26:53,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:26:53,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:26:53,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:26:53,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:26:53,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:26:53,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:26:53,889 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:26:53,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:26:53,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:26:53,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:26:53,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:26:53,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:26:53,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:26:53,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:26:53,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:26:53,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:26:53,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:26:53,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:26:53,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:26:53,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:26:53,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:26:53,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:26:53,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:26:53,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:26:53,898 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:26:53,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:26:53,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:26:53,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:53,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:26:53,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:26:53,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:26:53,904 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:26:53,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:26:53,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:26:53,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:26:53,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:26:53,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:26:53,907 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:26:53,907 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:26:54,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:26:54,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:26:54,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:26:54,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:26:54,247 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:26:54,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-20 13:26:55,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:26:55,952 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:26:55,953 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-20 13:26:55,963 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ee7d6f54c/55d8c88c0bb4477da1bb86d5c62ff5fb/FLAGa8675ecd2 [2024-09-20 13:26:55,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ee7d6f54c/55d8c88c0bb4477da1bb86d5c62ff5fb [2024-09-20 13:26:55,987 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:26:55,987 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:26:55,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-20 13:26:56,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:26:56,046 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:26:56,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:56,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:26:56,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:26:56,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:55" (1/2) ... [2024-09-20 13:26:56,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22bde976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:56, skipping insertion in model container [2024-09-20 13:26:56,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:55" (1/2) ... [2024-09-20 13:26:56,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@705a1b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:56, skipping insertion in model container [2024-09-20 13:26:56,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:56" (2/2) ... [2024-09-20 13:26:56,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22bde976 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56, skipping insertion in model container [2024-09-20 13:26:56,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:56" (2/2) ... [2024-09-20 13:26:56,070 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:26:56,071 INFO L1541 ArrayList]: Loop invariant at [L33-L50] (((((((__int128) q * x) + a) + ((__int128) y * s)) == ((((__int128) y * r) + b) + ((__int128) p * x))) && (a == (((__int128) y * r) + ((__int128) p * x)))) && (((__int128) p * s) == (((__int128) q * r) + 1))) [2024-09-20 13:26:56,071 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:26:56,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:26:56,256 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] [2024-09-20 13:26:56,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:56,301 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:26:56,337 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] Start Parsing Local [2024-09-20 13:26:56,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:56,381 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:26:56,381 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56 WrapperNode [2024-09-20 13:26:56,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:56,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:26:56,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:26:56,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:26:56,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,421 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 [2024-09-20 13:26:56,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:26:56,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:26:56,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:26:56,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:26:56,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (1/1) ... [2024-09-20 13:26:56,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:56,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:26:56,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:26:56,484 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:26:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:26:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:26:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:26:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:26:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:26:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:26:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:26:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:26:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:26:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:26:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:26:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:26:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:26:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:26:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:26:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:26:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:26:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:26:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:26:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:26:56,615 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:26:56,618 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:05,100 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:05,187 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:05,220 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:05,221 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:27:05,221 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:05 BoogieIcfgContainer [2024-09-20 13:27:05,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:05,222 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:05,222 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:05,223 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:05,223 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:26:55" (1/4) ... [2024-09-20 13:27:05,223 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79b2cf95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:05, skipping insertion in model container [2024-09-20 13:27:05,223 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:56" (2/4) ... [2024-09-20 13:27:05,224 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79b2cf95 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:05, skipping insertion in model container [2024-09-20 13:27:05,224 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:56" (3/4) ... [2024-09-20 13:27:05,224 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79b2cf95 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:05, skipping insertion in model container [2024-09-20 13:27:05,224 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:05" (4/4) ... [2024-09-20 13:27:05,239 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-20 13:27:05,242 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:27:05,243 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:05,243 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-20 13:27:05,243 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:27:05,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:27:05,243 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 13:27:05,243 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:05,244 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 13:27:05,244 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-20 13:27:05,244 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:05,244 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:05,244 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:05,245 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 13:27:05,294 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:05,295 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:05,295 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:05,295 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:05,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:05,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:05,336 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:05,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:05,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:05,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:05,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:05,339 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:09,654 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:09,764 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-20 13:27:09,764 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:09,764 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:09,764 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:09,764 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:09,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:09,809 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-20 13:27:09,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:09,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:09,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:09,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:09,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:14,113 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:14,211 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:27:14,215 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:14,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:14,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:14,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:14,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:14,245 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-20 13:27:14,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:14,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:14,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:14,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:14,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:17,366 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:17,456 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:17,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:17,457 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:17,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:17,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:17,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:17,461 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:17,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:17,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:17,462 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:17,462 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:17,462 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:17,693 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:17,709 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 13:27:17,709 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:17,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:17,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:17,710 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:17,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:17,741 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-20 13:27:17,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:17,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:17,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:17,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:17,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:22,753 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:22,996 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:22,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:22,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:22,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:22,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:22,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,000 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:23,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,001 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:23,001 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:23,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:23,001 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:24,947 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:25,056 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 13:27:25,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,056 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,069 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-20 13:27:25,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,070 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,073 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:25,076 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:25,094 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-20 13:27:25,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,116 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 13:27:25,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:25,118 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:25,118 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:25,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:29,516 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:29,622 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:29,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:29,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:29,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:29,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:29,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:29,625 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:29,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:29,625 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:29,625 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:29,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:29,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:29,628 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:29,636 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:29,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:29,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:29,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:29,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:29,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:29,638 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:29,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:29,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:29,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:29,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:29,639 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:29,640 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:29,649 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:29,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:29,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:29,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:29,650 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:29,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:29,657 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:29,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:29,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:29,658 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:29,658 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:29,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:33,954 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:34,057 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:27:34,057 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79b2cf95 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:34, skipping insertion in model container [2024-09-20 13:27:34,057 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:34,059 INFO L158 Benchmark]: Toolchain (without parser) took 38011.92ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 33.2MB in the beginning and 29.9MB in the end (delta: 3.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:34,059 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:34,060 INFO L158 Benchmark]: Witness Parser took 0.75ms. Allocated memory is still 60.8MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:34,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.59ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 33.1MB in the beginning and 57.9MB in the end (delta: -24.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-20 13:27:34,061 INFO L158 Benchmark]: Boogie Preprocessor took 70.57ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 55.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:34,061 INFO L158 Benchmark]: RCFGBuilder took 8767.55ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 38.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:27:34,062 INFO L158 Benchmark]: Referee took 28835.63ms. Allocated memory is still 81.8MB. Free memory was 38.2MB in the beginning and 29.9MB in the end (delta: 8.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-09-20 13:27:34,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 54. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 53. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. 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 12. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.75ms. Allocated memory is still 60.8MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.59ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 33.1MB in the beginning and 57.9MB in the end (delta: -24.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.57ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 55.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8767.55ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 38.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 28835.63ms. Allocated memory is still 81.8MB. Free memory was 38.2MB in the beginning and 29.9MB in the end (delta: 8.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:27:34,261 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: UNKNOWN