./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 27b49876 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-27b4987-m [2024-09-21 12:48:31,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:31,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:31,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:31,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:31,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:31,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:31,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:31,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:31,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:31,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:31,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:31,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:31,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:31,241 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:31,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:31,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:31,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:31,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:31,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:31,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:31,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:31,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:31,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:31,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:31,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:31,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:31,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:31,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:31,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:31,250 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:31,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:31,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:31,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:31,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:31,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:31,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:31,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:31,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:31,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:31,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:31,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:31,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:31,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:31,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:31,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:31,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:31,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:31,473 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:31,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-21 12:48:32,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:32,936 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:32,937 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-21 12:48:32,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f99ce8d68/dd5de204ea884721a443b12b8e59fed5/FLAGbf25ecff0 [2024-09-21 12:48:32,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f99ce8d68/dd5de204ea884721a443b12b8e59fed5 [2024-09-21 12:48:32,967 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:32,967 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:32,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-21 12:48:33,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:33,008 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:33,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:33,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:33,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:33,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:32" (1/2) ... [2024-09-21 12:48:33,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6876eaff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:32" (1/2) ... [2024-09-21 12:48:33,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cdb2b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:33" (2/2) ... [2024-09-21 12:48:33,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6876eaff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:33" (2/2) ... [2024-09-21 12:48:33,021 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:33,022 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))) [2024-09-21 12:48:33,022 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:33,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:33,159 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] [2024-09-21 12:48:33,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:33,188 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:33,217 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 [2024-09-21 12:48:33,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:33,253 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:33,253 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:33 WrapperNode [2024-09-21 12:48:33,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:33,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:33,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:33,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:33,264 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,267 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,274 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,280 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 [2024-09-21 12:48:33,280 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,281 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,284 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,286 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,288 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,289 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:33,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:33,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:33,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:33,292 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 21.09 12:48:33" (1/1) ... [2024-09-21 12:48:33,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:33,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:33,312 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) [2024-09-21 12:48:33,313 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 [2024-09-21 12:48:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:33,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:33,425 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:33,426 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:33,547 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:33,560 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:33,577 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:33,577 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:48:33,577 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:33 BoogieIcfgContainer [2024-09-21 12:48:33,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:33,578 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:33,578 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:33,579 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:33,579 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:32" (1/4) ... [2024-09-21 12:48:33,579 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a317dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,580 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:33" (2/4) ... [2024-09-21 12:48:33,580 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a317dca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,580 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 21.09 12:48:33" (3/4) ... [2024-09-21 12:48:33,580 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a317dca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,580 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:33" (4/4) ... [2024-09-21 12:48:33,581 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-21 12:48:33,584 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:48:33,585 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:33,585 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-21 12:48:33,585 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:48:33,586 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:48:33,586 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 12:48:33,586 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:33,586 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:48:33,586 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 12:48:33,586 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:33,587 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:33,587 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:33,587 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:48:33,633 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:33,633 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,634 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,634 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,635 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,650 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:33,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,651 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,652 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,663 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:33,680 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-21 12:48:33,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,742 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-21 12:48:33,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,758 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:33,772 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:48:33,772 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,773 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,791 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-21 12:48:33,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,793 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,795 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,800 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:33,817 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:48:33,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,826 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:48:33,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,827 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,831 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:33,845 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-21 12:48:33,845 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,845 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,845 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,866 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-21 12:48:33,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,866 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,873 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:37,878 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:48:37,891 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:37,891 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:37,891 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:37,891 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:37,892 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:37,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,894 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:37,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,895 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:37,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:37,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:37,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:37,897 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:37,905 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 12:48:37,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:37,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:37,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:37,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:37,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,914 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-21 12:48:37,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:37,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:37,915 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:37,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:37,924 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:37,932 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 12:48:37,932 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:37,932 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:37,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:37,933 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:37,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,945 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-21 12:48:37,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:37,945 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:37,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:37,948 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:37,949 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:37,957 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:37,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:37,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:37,957 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:37,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:37,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,959 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:37,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:37,960 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:37,960 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:37,960 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:37,961 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:37,968 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:37,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:37,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:37,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:37,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:37,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,969 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:37,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,970 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:37,970 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:37,970 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:37,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:37,971 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:37,978 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:48:37,978 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:37,978 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:37,978 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:37,979 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:37,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,984 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:48:37,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:37,984 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:37,984 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:37,985 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:37,985 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:37,986 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:37,989 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:48:37,989 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a317dca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:37, skipping insertion in model container [2024-09-21 12:48:37,990 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:37,991 INFO L158 Benchmark]: Toolchain (without parser) took 4982.84ms. Allocated memory is still 260.0MB. Free memory was 228.9MB in the beginning and 137.7MB in the end (delta: 91.2MB). Peak memory consumption was 90.3MB. Max. memory is 16.1GB. [2024-09-21 12:48:37,991 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:37,991 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 260.0MB. Free memory is still 230.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:37,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.23ms. Allocated memory is still 260.0MB. Free memory was 228.7MB in the beginning and 222.6MB in the end (delta: 6.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-09-21 12:48:37,992 INFO L158 Benchmark]: Boogie Preprocessor took 36.18ms. Allocated memory is still 260.0MB. Free memory was 222.6MB in the beginning and 220.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:37,993 INFO L158 Benchmark]: RCFGBuilder took 286.85ms. Allocated memory is still 260.0MB. Free memory was 220.5MB in the beginning and 205.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:37,993 INFO L158 Benchmark]: Referee took 4411.58ms. Allocated memory is still 260.0MB. Free memory was 205.9MB in the beginning and 137.7MB in the end (delta: 68.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:37,994 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 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 34. 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 __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 53. 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 54. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 260.0MB. Free memory is still 230.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.23ms. Allocated memory is still 260.0MB. Free memory was 228.7MB in the beginning and 222.6MB in the end (delta: 6.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.18ms. Allocated memory is still 260.0MB. Free memory was 222.6MB in the beginning and 220.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.85ms. Allocated memory is still 260.0MB. Free memory was 220.5MB in the beginning and 205.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4411.58ms. Allocated memory is still 260.0MB. Free memory was 205.9MB in the beginning and 137.7MB in the end (delta: 68.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:48:38,012 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-27b4987-m [2024-09-21 12:48:39,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:40,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:48:40,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:40,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:40,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:40,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:40,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:40,083 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:40,083 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:40,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:40,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:40,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:40,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:40,084 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:40,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:40,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:40,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:40,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:40,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:40,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:40,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:40,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:40,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:48:40,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:48:40,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:40,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:48:40,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:40,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:40,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:40,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:40,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:40,095 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:40,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:40,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:40,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:40,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:40,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:40,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:40,099 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:48:40,099 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:48:40,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:40,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:40,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:40,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:40,100 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:48:40,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:40,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:40,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:40,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:40,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:40,364 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:40,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-21 12:48:41,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:41,913 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:41,913 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-21 12:48:41,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1c4ab9b0b/9e11b952024f41a49e71fb0cc5a6a660/FLAGe5158e096 [2024-09-21 12:48:42,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1c4ab9b0b/9e11b952024f41a49e71fb0cc5a6a660 [2024-09-21 12:48:42,308 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:42,309 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:42,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-21 12:48:42,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:42,345 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:42,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:42,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:42,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:42,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:42" (1/2) ... [2024-09-21 12:48:42,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4804edda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:42, skipping insertion in model container [2024-09-21 12:48:42,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:42" (1/2) ... [2024-09-21 12:48:42,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e4ca4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:42, skipping insertion in model container [2024-09-21 12:48:42,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:42" (2/2) ... [2024-09-21 12:48:42,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4804edda and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:42, skipping insertion in model container [2024-09-21 12:48:42,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:42" (2/2) ... [2024-09-21 12:48:42,363 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:42,366 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))) [2024-09-21 12:48:42,366 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:42,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:42,498 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] [2024-09-21 12:48:42,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:42,532 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:42,560 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 [2024-09-21 12:48:42,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:42,590 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:42,591 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:42 WrapperNode [2024-09-21 12:48:42,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:42,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:42,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:42,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:42,601 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,601 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,612 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,624 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 [2024-09-21 12:48:42,624 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,624 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,632 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,638 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,639 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,641 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:42,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:42,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:42,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:42,647 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 21.09 12:48:42" (1/1) ... [2024-09-21 12:48:42,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:42,685 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) [2024-09-21 12:48:42,689 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 [2024-09-21 12:48:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:48:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:48:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:48:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:48:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:42,816 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:42,818 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:50,995 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:51,076 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:51,099 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:51,099 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:48:51,099 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:51 BoogieIcfgContainer [2024-09-21 12:48:51,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:51,100 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:51,104 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:51,105 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:51,105 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:42" (1/4) ... [2024-09-21 12:48:51,105 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d69e267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:51, skipping insertion in model container [2024-09-21 12:48:51,105 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:42" (2/4) ... [2024-09-21 12:48:51,105 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d69e267 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:51, skipping insertion in model container [2024-09-21 12:48:51,106 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 21.09 12:48:42" (3/4) ... [2024-09-21 12:48:51,106 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d69e267 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:51, skipping insertion in model container [2024-09-21 12:48:51,106 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:51" (4/4) ... [2024-09-21 12:48:51,107 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-21 12:48:51,114 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:48:51,114 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:51,114 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-21 12:48:51,115 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:48:51,115 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:48:51,115 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 12:48:51,115 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:51,115 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:48:51,115 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 12:48:51,116 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:51,116 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:51,116 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:51,117 INFO L131 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 [2024-09-21 12:48:51,154 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:51,155 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:51,155 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:51,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:51,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:51,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:51,187 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:51,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:51,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:51,189 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:51,189 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:51,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:55,466 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:48:55,574 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-21 12:48:55,575 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:55,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:55,575 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:55,575 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:55,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:55,624 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-21 12:48:55,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:55,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:55,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:55,627 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:55,633 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,877 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:48:59,960 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:48:59,961 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,974 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-21 12:48:59,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,978 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,217 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:04,305 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:04,305 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,308 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:04,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,309 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,309 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,309 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:04,471 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:04,481 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-21 12:49:04,481 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:04,481 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:04,481 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:04,481 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:04,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,509 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-21 12:49:04,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:04,509 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:04,509 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:04,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:04,515 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,501 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:09,740 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:09,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,741 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,741 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,741 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,744 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:09,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,744 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:11,360 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:11,450 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 12:49:11,450 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:11,450 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:11,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:11,451 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:11,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:11,459 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-21 12:49:11,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:11,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:11,460 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:11,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:11,462 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:11,464 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:11,470 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 12:49:11,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:11,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:11,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:11,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:11,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:11,488 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-21 12:49:11,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:11,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:11,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:11,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:11,491 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:15,745 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:15,837 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:15,838 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:15,838 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:15,838 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:15,838 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:15,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:15,839 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:15,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:15,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:15,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:15,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:15,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:15,841 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:15,846 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:15,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:15,847 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:15,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:15,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:15,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:15,848 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:15,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:15,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:15,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:15,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:15,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:15,849 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:15,854 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:15,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:15,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:15,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:15,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:15,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:15,860 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:15,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:15,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:15,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:15,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:15,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:20,107 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:20,196 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:49:20,197 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d69e267 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:20, skipping insertion in model container [2024-09-21 12:49:20,197 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:20,198 INFO L158 Benchmark]: Toolchain (without parser) took 37852.38ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 45.9MB in the beginning and 43.5MB in the end (delta: 2.4MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-09-21 12:49:20,199 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:20,200 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:20,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.62ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 31.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:20,201 INFO L158 Benchmark]: Boogie Preprocessor took 54.03ms. Allocated memory is still 67.1MB. Free memory was 31.4MB in the beginning and 29.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:20,201 INFO L158 Benchmark]: RCFGBuilder took 8453.21ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 29.1MB in the beginning and 56.5MB in the end (delta: -27.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 12:49:20,202 INFO L158 Benchmark]: Referee took 29097.10ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 43.5MB in the end (delta: 13.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-09-21 12:49:20,205 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 52. 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 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 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. 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. 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 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 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: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.62ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 31.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.03ms. Allocated memory is still 67.1MB. Free memory was 31.4MB in the beginning and 29.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8453.21ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 29.1MB in the beginning and 56.5MB in the end (delta: -27.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 29097.10ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 43.5MB in the end (delta: 13.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:49:20,386 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