./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 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/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-04d6fb3-m [2024-09-15 20:06:29,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:29,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:06:29,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:29,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:29,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:29,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:29,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:29,853 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:29,853 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:29,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:29,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:29,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:29,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:29,856 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:29,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:29,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:29,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:29,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:06:29,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:29,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:29,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:29,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:29,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:29,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:29,861 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:29,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:29,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:29,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:29,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:29,861 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:29,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:29,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:29,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:29,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:29,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:29,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:29,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:06:29,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:06:29,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:29,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:29,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:29,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:29,864 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:30,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:30,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:30,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:30,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:30,114 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:30,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-15 20:06:31,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:31,961 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:31,962 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-15 20:06:31,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d2c0d3989/e215bb8481e04042b6d3f59c9d9b54b9/FLAG225e4d2c0 [2024-09-15 20:06:32,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d2c0d3989/e215bb8481e04042b6d3f59c9d9b54b9 [2024-09-15 20:06:32,339 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:32,341 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:32,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-15 20:06:32,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:32,406 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:32,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:32,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:32,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:32,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:32" (1/2) ... [2024-09-15 20:06:32,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@973e5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:32, skipping insertion in model container [2024-09-15 20:06:32,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:32" (1/2) ... [2024-09-15 20:06:32,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b20d5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:32, skipping insertion in model container [2024-09-15 20:06:32,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:32" (2/2) ... [2024-09-15 20:06:32,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@973e5f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32, skipping insertion in model container [2024-09-15 20:06:32,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:32" (2/2) ... [2024-09-15 20:06:32,423 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:32,423 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))) [2024-09-15 20:06:32,423 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:06:32,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:06:32,549 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] [2024-09-15 20:06:32,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:32,574 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:06:32,603 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 [2024-09-15 20:06:32,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:32,628 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:06:32,628 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32 WrapperNode [2024-09-15 20:06:32,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:32,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:06:32,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:06:32,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:06:32,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,665 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:06:32,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:06:32,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:06:32,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:06:32,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:06:32,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (1/1) ... [2024-09-15 20:06:32,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:32,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:06:32,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-15 20:06:32,746 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-15 20:06:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:06:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:06:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:06:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:06:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:06:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:06:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:06:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:06:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:06:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:06:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:06:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:06:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:06:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:06:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:06:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:06:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:06:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:06:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:06:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:06:32,862 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:06:32,867 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:06:33,050 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:33,075 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:06:33,104 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:06:33,105 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:06:33,105 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:33 BoogieIcfgContainer [2024-09-15 20:06:33,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:06:33,108 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:06:33,109 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:06:33,109 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:06:33,109 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:32" (1/4) ... [2024-09-15 20:06:33,110 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c5add34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:33, skipping insertion in model container [2024-09-15 20:06:33,110 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:32" (2/4) ... [2024-09-15 20:06:33,110 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c5add34 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:33, skipping insertion in model container [2024-09-15 20:06:33,110 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:32" (3/4) ... [2024-09-15 20:06:33,112 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c5add34 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:33, skipping insertion in model container [2024-09-15 20:06:33,112 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:33" (4/4) ... [2024-09-15 20:06:33,114 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-15 20:06:33,116 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:06:33,117 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:06:33,117 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-15 20:06:33,118 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:06:33,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:06:33,118 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-15 20:06:33,118 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:33,118 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-15 20:06:33,119 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-15 20:06:33,119 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:33,119 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:33,120 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:33,120 INFO L130 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 [2024-09-15 20:06:33,184 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:06:33,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:33,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:33,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:33,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:33,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,220 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:06:33,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:33,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:33,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:33,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:33,241 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:33,257 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-15 20:06:33,258 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:33,258 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:33,258 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:33,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:33,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,281 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-15 20:06:33,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:33,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:33,282 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:33,287 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:33,289 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:33,300 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:06:33,301 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:33,301 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:33,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:33,301 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:33,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,322 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-15 20:06:33,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,326 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:33,326 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:33,326 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:33,329 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:33,335 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:33,356 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:06:33,356 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:33,356 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:33,356 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:33,356 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:33,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,369 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:06:33,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:33,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:33,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:33,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:33,378 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:33,394 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-15 20:06:33,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:33,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:33,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:33,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:33,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,434 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-15 20:06:33,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:33,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:33,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:33,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:33,450 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:37,463 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:06:37,481 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:37,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:37,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:37,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:37,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:37,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,488 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:37,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:37,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:37,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:37,489 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:37,495 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:37,530 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-15 20:06:37,534 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:37,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:37,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:37,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:37,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,550 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-15 20:06:37,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,550 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:37,550 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:37,550 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:37,552 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:37,558 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:37,574 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-15 20:06:37,574 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:37,574 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:37,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:37,575 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:37,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,592 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-15 20:06:37,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:37,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:37,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:37,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:37,605 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:37,614 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:06:37,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:37,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:37,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:37,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:37,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,616 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:06:37,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:37,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:37,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:37,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:37,622 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:37,631 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:37,633 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:37,633 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:37,636 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:37,636 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:37,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,637 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:37,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:37,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:37,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:37,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:37,639 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:06:37,650 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:06:37,654 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:37,654 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:37,654 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:37,654 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:37,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,658 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:06:37,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:37,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:37,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:37,663 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:37,663 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:37,664 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:37,667 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:06:37,671 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c5add34 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:06:37, skipping insertion in model container [2024-09-15 20:06:37,671 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:06:37,673 INFO L158 Benchmark]: Toolchain (without parser) took 5266.22ms. Allocated memory is still 207.6MB. Free memory was 178.2MB in the beginning and 151.1MB in the end (delta: 27.1MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2024-09-15 20:06:37,674 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:37,675 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 207.6MB. Free memory was 176.3MB in the beginning and 176.3MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:37,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.80ms. Allocated memory is still 207.6MB. Free memory was 178.2MB in the beginning and 164.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:06:37,675 INFO L158 Benchmark]: Boogie Preprocessor took 56.61ms. Allocated memory is still 207.6MB. Free memory was 164.4MB in the beginning and 162.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:06:37,676 INFO L158 Benchmark]: RCFGBuilder took 418.38ms. Allocated memory is still 207.6MB. Free memory was 162.3MB in the beginning and 147.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:06:37,677 INFO L158 Benchmark]: Referee took 4562.92ms. Allocated memory is still 207.6MB. Free memory was 147.6MB in the beginning and 151.1MB in the end (delta: -3.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-09-15 20:06:37,683 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 52. 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 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 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 loop head at line 33 to check that procedure precondition always holds at line 53. 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 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 207.6MB. Free memory was 176.3MB in the beginning and 176.3MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.80ms. Allocated memory is still 207.6MB. Free memory was 178.2MB in the beginning and 164.4MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.61ms. Allocated memory is still 207.6MB. Free memory was 164.4MB in the beginning and 162.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.38ms. Allocated memory is still 207.6MB. Free memory was 162.3MB in the beginning and 147.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4562.92ms. Allocated memory is still 207.6MB. Free memory was 147.6MB in the beginning and 151.1MB in the end (delta: -3.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:06:37,716 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 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-04d6fb3-m [2024-09-15 20:06:40,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:40,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:06:40,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:40,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:40,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:40,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:40,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:40,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:40,301 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:40,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:40,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:40,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:40,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:40,305 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:40,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:40,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:40,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:40,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:40,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:40,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:40,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:40,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:40,307 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:06:40,307 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:06:40,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:40,308 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:06:40,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:40,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:40,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:40,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:40,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:40,309 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:40,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:40,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:40,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:40,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:40,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:40,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:40,311 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:06:40,311 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:06:40,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:40,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:40,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:40,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:40,312 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:06:40,312 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:40,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:40,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:40,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:40,699 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:40,699 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:40,701 INFO L431 ainManager$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 [2024-09-15 20:06:40,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:40,746 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:40,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-15 20:06:42,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:42,596 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:42,597 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-15 20:06:42,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7fb1bff6c/97ea3d0a4eff4348a9c7f9ce5e23c160/FLAG8e152b3d1 [2024-09-15 20:06:42,631 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7fb1bff6c/97ea3d0a4eff4348a9c7f9ce5e23c160 [2024-09-15 20:06:42,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:42,635 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:42,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:42,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:42,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:42,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:40" (1/2) ... [2024-09-15 20:06:42,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417612cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:42, skipping insertion in model container [2024-09-15 20:06:42,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:40" (1/2) ... [2024-09-15 20:06:42,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ce78b30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:42, skipping insertion in model container [2024-09-15 20:06:42,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:42" (2/2) ... [2024-09-15 20:06:42,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417612cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42, skipping insertion in model container [2024-09-15 20:06:42,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:42" (2/2) ... [2024-09-15 20:06:42,659 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:42,659 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))) [2024-09-15 20:06:42,659 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:06:42,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:06:42,816 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] [2024-09-15 20:06:42,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:42,854 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:06:42,915 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 [2024-09-15 20:06:42,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:42,953 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:06:42,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42 WrapperNode [2024-09-15 20:06:42,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:42,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:06:42,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:06:42,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:06:42,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:42,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:42,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:42,983 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:06:42,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:42,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:42,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:42,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:42,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:42,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:43,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:06:43,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:06:43,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:06:43,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:06:43,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (1/1) ... [2024-09-15 20:06:43,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:43,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:06:43,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-15 20:06:43,036 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-15 20:06:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:06:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:06:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:06:43,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:06:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:06:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:06:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:06:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:06:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:06:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:06:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:06:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:06:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:06:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:06:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:06:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:06:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:06:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:06:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:06:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:06:43,145 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:06:43,147 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:06:51,698 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:51,818 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:06:51,852 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:06:51,852 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:06:51,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:51 BoogieIcfgContainer [2024-09-15 20:06:51,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:06:51,853 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:06:51,853 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:06:51,854 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:06:51,854 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:40" (1/4) ... [2024-09-15 20:06:51,854 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@405c970c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:51, skipping insertion in model container [2024-09-15 20:06:51,854 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:42" (2/4) ... [2024-09-15 20:06:51,854 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@405c970c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:51, skipping insertion in model container [2024-09-15 20:06:51,854 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:42" (3/4) ... [2024-09-15 20:06:51,854 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@405c970c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:51, skipping insertion in model container [2024-09-15 20:06:51,855 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:51" (4/4) ... [2024-09-15 20:06:51,855 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-15 20:06:51,870 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:06:51,871 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:06:51,871 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-15 20:06:51,871 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:06:51,871 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:06:51,871 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-15 20:06:51,872 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:51,872 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-15 20:06:51,872 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-15 20:06:51,872 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:51,872 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:51,872 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:51,872 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-15 20:06:51,964 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:06:51,977 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:51,977 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:51,978 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:51,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:51,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:52,014 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:06:52,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:52,015 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:52,015 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:52,015 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:52,016 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:56,293 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:06:56,411 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-15 20:06:56,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:56,412 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:56,412 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:56,412 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:56,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:56,486 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-15 20:06:56,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:56,490 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:56,490 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:56,493 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:56,507 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:00,806 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:00,915 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:07:00,921 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:00,921 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:00,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:00,921 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:00,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,956 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-15 20:07:00,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:00,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:00,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:00,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,227 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:05,338 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:05,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,347 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:05,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,347 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,347 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,347 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,561 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:05,593 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-15 20:07:05,594 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,594 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,595 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,595 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,655 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-15 20:07:05,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,672 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:10,691 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:10,952 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:10,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:10,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:10,957 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:10,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:10,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:10,960 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:10,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:10,964 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:10,964 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:10,964 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:10,965 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:14,803 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:14,907 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-15 20:07:14,908 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:14,909 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:14,909 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:14,909 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:14,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:14,931 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-15 20:07:14,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:14,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:14,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:14,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:14,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:14,944 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:14,955 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-15 20:07:14,959 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:14,959 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:14,959 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:14,959 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:14,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:14,984 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-15 20:07:14,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:14,985 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:14,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:14,986 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:14,992 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:19,329 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:19,437 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:07:19,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:19,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:19,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:19,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:19,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:19,445 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:07:19,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:19,446 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:19,446 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:19,446 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:19,446 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:19,450 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:19,459 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:19,459 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:19,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:19,459 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:19,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:19,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:19,461 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:19,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:19,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:19,462 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:19,462 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:19,462 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:19,463 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:07:19,471 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:19,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:19,472 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:19,472 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:19,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:19,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:19,478 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:19,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:19,478 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:19,479 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:19,479 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:19,479 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:23,792 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:23,886 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:07:23,886 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@405c970c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:23, skipping insertion in model container [2024-09-15 20:07:23,886 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:23,888 INFO L158 Benchmark]: Toolchain (without parser) took 41251.80ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.8MB in the end (delta: 1.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-09-15 20:07:23,888 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 46.1MB. Free memory was 23.1MB in the beginning and 23.0MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:23,888 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 46.1MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:23,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.30ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 60.7MB in the end (delta: -13.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-15 20:07:23,889 INFO L158 Benchmark]: Boogie Preprocessor took 46.60ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 58.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:23,889 INFO L158 Benchmark]: RCFGBuilder took 8851.31ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 41.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:07:23,890 INFO L158 Benchmark]: Referee took 32033.43ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 45.8MB in the end (delta: -4.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-09-15 20:07:23,891 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 53. 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 35. 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. 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 52. 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 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 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 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 46.1MB. Free memory was 23.1MB in the beginning and 23.0MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 46.1MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.30ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 60.7MB in the end (delta: -13.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.60ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 58.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8851.31ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 41.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 32033.43ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 45.8MB in the end (delta: -4.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:07:24,081 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN