./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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-scaling/egcd-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound50.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-dev-a9b967e-m [2024-09-11 20:49:14,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:15,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:15,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:15,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:15,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:15,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:15,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:15,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:15,047 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:15,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:15,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:15,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:15,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:15,048 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:15,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:15,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:15,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:15,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:15,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:15,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:15,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:15,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:15,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:15,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:15,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:15,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:15,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:15,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:15,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:15,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:15,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:15,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:15,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:15,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:15,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:15,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:15,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:15,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:15,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:15,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:15,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:15,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:15,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:15,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:15,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:15,284 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:15,285 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:15,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:49:15,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:15,361 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:15,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2024-09-11 20:49:16,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:16,728 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:16,728 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2024-09-11 20:49:16,734 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0d46321e3/580ac109664c41fc9cb688d8368247ac/FLAG15d98e953 [2024-09-11 20:49:17,152 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0d46321e3/580ac109664c41fc9cb688d8368247ac [2024-09-11 20:49:17,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:17,153 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:17,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:17,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:17,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:17,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:15" (1/2) ... [2024-09-11 20:49:17,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a27f0a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:15" (1/2) ... [2024-09-11 20:49:17,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b34d437 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:17" (2/2) ... [2024-09-11 20:49:17,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a27f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:17" (2/2) ... [2024-09-11 20:49:17,167 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:17,167 INFO L1541 ArrayList]: Loop invariant at [L35-L52] (((((__int128) p * s) == (((__int128) q * r) + 1)) && (((((__int128) r * y) + b) + ((__int128) p * x)) == ((a + ((__int128) s * y)) + ((__int128) q * x)))) && ((((__int128) r * y) + ((__int128) p * x)) == a)) [2024-09-11 20:49:17,168 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:17,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:17,298 WARN L247 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-scaling/egcd-ll_valuebound50.c[489,502] [2024-09-11 20:49:17,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:17,326 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:17,360 WARN L247 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-scaling/egcd-ll_valuebound50.c[489,502] Start Parsing Local [2024-09-11 20:49:17,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:17,389 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:17,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17 WrapperNode [2024-09-11 20:49:17,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:17,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:17,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:17,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:17,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,418 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 [2024-09-11 20:49:17,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:17,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:17,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:17,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:17,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (1/1) ... [2024-09-11 20:49:17,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:17,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:17,462 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) [2024-09-11 20:49:17,464 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 [2024-09-11 20:49:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:17,596 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:17,598 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:17,755 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:17,799 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:17,800 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:17,826 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:17,826 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:17,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:17 BoogieIcfgContainer [2024-09-11 20:49:17,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:17,828 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:17,828 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:17,829 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:17,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:15" (1/4) ... [2024-09-11 20:49:17,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3809e305 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,830 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:17" (2/4) ... [2024-09-11 20:49:17,831 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3809e305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,831 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17" (3/4) ... [2024-09-11 20:49:17,831 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3809e305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,831 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:17" (4/4) ... [2024-09-11 20:49:17,833 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound50.c [2024-09-11 20:49:17,837 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:17,838 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:17,838 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:49:17,838 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:49:17,839 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:17,839 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:49:17,839 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:49:17,839 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:17,839 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:17,840 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:17,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:49:17,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:17,841 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, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:49:17,890 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:17,891 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:17,891 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:17,892 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:17,892 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:17,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:17,920 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:17,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:17,922 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:17,923 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:17,923 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:17,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:17,943 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:17,959 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:49:17,959 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:17,959 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:17,959 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:17,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:17,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:17,987 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:49:17,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:17,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:17,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:17,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:17,992 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:17,995 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:18,007 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:18,008 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,019 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:18,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,020 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,020 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,022 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,026 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:18,040 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:18,040 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,041 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,043 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:18,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,043 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,044 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,044 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,045 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:18,060 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:49:18,061 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,061 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,061 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,061 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,069 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:49:18,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,070 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,071 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,073 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,075 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:18,084 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:18,085 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,097 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:49:18,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,106 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,108 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:18,116 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:18,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,117 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,117 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,119 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:18,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,120 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,120 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,125 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:18,132 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:18,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,133 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,133 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,134 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:18,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,137 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:18,144 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:18,145 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,145 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,146 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,146 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,154 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:18,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,156 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,157 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:18,167 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:49:18,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,168 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,168 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,168 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,191 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:49:18,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,191 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,191 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,191 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,195 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,199 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:18,207 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:18,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,207 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,208 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,213 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:18,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,218 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:18,221 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:18,223 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3809e305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:18, skipping insertion in model container [2024-09-11 20:49:18,223 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:18,224 INFO L158 Benchmark]: Toolchain (without parser) took 1070.38ms. Allocated memory is still 169.9MB. Free memory was 99.2MB in the beginning and 62.0MB in the end (delta: 37.2MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,225 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 117.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:18,225 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 169.9MB. Free memory was 144.8MB in the beginning and 144.6MB in the end (delta: 230.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:18,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.77ms. Allocated memory is still 169.9MB. Free memory was 98.9MB in the beginning and 84.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,226 INFO L158 Benchmark]: Boogie Preprocessor took 42.83ms. Allocated memory is still 169.9MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,227 INFO L158 Benchmark]: RCFGBuilder took 393.12ms. Allocated memory is still 169.9MB. Free memory was 82.6MB in the beginning and 130.4MB in the end (delta: -47.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,228 INFO L158 Benchmark]: Referee took 395.10ms. Allocated memory is still 169.9MB. Free memory was 130.4MB in the beginning and 62.0MB in the end (delta: 68.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,231 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 55. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 56. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 117.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.53ms. Allocated memory is still 169.9MB. Free memory was 144.8MB in the beginning and 144.6MB in the end (delta: 230.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.77ms. Allocated memory is still 169.9MB. Free memory was 98.9MB in the beginning and 84.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.83ms. Allocated memory is still 169.9MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.12ms. Allocated memory is still 169.9MB. Free memory was 82.6MB in the beginning and 130.4MB in the end (delta: -47.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 395.10ms. Allocated memory is still 169.9MB. Free memory was 130.4MB in the beginning and 62.0MB in the end (delta: 68.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:18,252 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-scaling/egcd-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound50.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-dev-a9b967e-m [2024-09-11 20:49:20,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:20,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:20,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:20,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:20,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:20,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:20,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:20,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:20,316 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:20,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:20,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:20,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:20,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:20,317 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:20,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:20,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:20,321 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:20,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:20,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:20,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:20,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:20,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:20,323 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:20,323 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:20,323 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:20,323 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:20,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:20,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:20,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:20,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:20,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:20,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:20,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:20,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:20,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:20,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:20,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:20,326 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:20,329 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:20,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:20,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:20,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:20,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:20,331 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:20,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:20,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:20,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:20,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:20,626 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:20,626 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:20,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:49:20,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:20,672 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:20,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2024-09-11 20:49:22,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:22,225 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:22,225 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2024-09-11 20:49:22,232 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/88621fc18/dbfa45a3ace14e929b65dd69c8a00619/FLAG14de4aab3 [2024-09-11 20:49:22,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/88621fc18/dbfa45a3ace14e929b65dd69c8a00619 [2024-09-11 20:49:22,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:22,250 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:22,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:22,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:22,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:22,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:20" (1/2) ... [2024-09-11 20:49:22,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276c088a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:22, skipping insertion in model container [2024-09-11 20:49:22,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:20" (1/2) ... [2024-09-11 20:49:22,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@769af957 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:22, skipping insertion in model container [2024-09-11 20:49:22,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:22" (2/2) ... [2024-09-11 20:49:22,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276c088a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22, skipping insertion in model container [2024-09-11 20:49:22,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:22" (2/2) ... [2024-09-11 20:49:22,268 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:22,268 INFO L1541 ArrayList]: Loop invariant at [L35-L52] (((((__int128) p * s) == (((__int128) q * r) + 1)) && (((((__int128) r * y) + b) + ((__int128) p * x)) == ((a + ((__int128) s * y)) + ((__int128) q * x)))) && ((((__int128) r * y) + ((__int128) p * x)) == a)) [2024-09-11 20:49:22,269 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:22,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:22,439 WARN L247 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-scaling/egcd-ll_valuebound50.c[489,502] [2024-09-11 20:49:22,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:22,481 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:22,512 WARN L247 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-scaling/egcd-ll_valuebound50.c[489,502] Start Parsing Local [2024-09-11 20:49:22,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:22,544 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:22,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22 WrapperNode [2024-09-11 20:49:22,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:22,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:22,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:22,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:22,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,586 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 [2024-09-11 20:49:22,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:22,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:22,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:22,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:22,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (1/1) ... [2024-09-11 20:49:22,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:22,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:22,639 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) [2024-09-11 20:49:22,642 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 [2024-09-11 20:49:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:22,745 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:22,747 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:33,421 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:33,555 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:33,556 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:33,575 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:33,577 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:33,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:33 BoogieIcfgContainer [2024-09-11 20:49:33,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:33,579 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:33,579 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:33,579 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:33,579 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:20" (1/4) ... [2024-09-11 20:49:33,580 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@299b071b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:33, skipping insertion in model container [2024-09-11 20:49:33,580 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:22" (2/4) ... [2024-09-11 20:49:33,580 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@299b071b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:33, skipping insertion in model container [2024-09-11 20:49:33,580 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:22" (3/4) ... [2024-09-11 20:49:33,580 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@299b071b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:33, skipping insertion in model container [2024-09-11 20:49:33,580 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:33" (4/4) ... [2024-09-11 20:49:33,584 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound50.c [2024-09-11 20:49:33,587 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:33,588 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:33,588 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:49:33,588 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:49:33,588 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:33,589 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:49:33,589 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:49:33,589 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:33,589 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:33,590 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:33,590 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:49:33,590 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:33,590 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:33,649 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:33,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:33,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:33,650 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:33,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:33,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:33,677 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:33,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:33,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:33,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:33,679 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:33,679 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:37,962 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:38,082 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:49:38,083 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,083 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,083 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,133 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:49:38,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,134 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,417 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:42,534 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:42,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,552 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:42,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,553 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:46,828 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:46,927 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:46,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:46,928 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:46,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:46,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:46,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:46,931 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:46,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:46,931 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:46,932 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:46,932 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:46,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,166 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:48,264 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:49:48,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:48,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:48,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:48,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:48,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,274 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:49:48,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:48,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:48,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:48,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,283 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:48,291 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:48,292 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:48,292 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:48,292 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:48,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:48,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,312 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:49:48,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:48,313 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:48,313 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:48,313 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:48,317 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,591 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:52,699 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:52,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,699 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,701 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:52,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,702 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,702 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,707 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:52,713 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:52,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,714 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,715 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:52,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,715 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,722 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:52,729 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:52,730 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,740 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:52,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,742 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:52,749 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:49:52,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,749 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,767 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:49:52,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,768 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,768 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,768 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:57,681 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:57,939 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:57,939 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:57,940 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:57,940 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:57,940 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:57,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:57,955 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:57,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:57,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:57,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:57,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:57,956 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:02,238 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:02,351 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:02,351 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@299b071b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:02, skipping insertion in model container [2024-09-11 20:50:02,351 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:02,353 INFO L158 Benchmark]: Toolchain (without parser) took 40101.91ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 37.3MB in the beginning and 89.6MB in the end (delta: -52.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:02,353 INFO L158 Benchmark]: Witness Parser took 0.91ms. Allocated memory is still 77.6MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:02,354 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 77.6MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 115.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:02,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.22ms. Allocated memory is still 77.6MB. Free memory was 37.1MB in the beginning and 44.4MB in the end (delta: -7.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:02,354 INFO L158 Benchmark]: Boogie Preprocessor took 62.00ms. Allocated memory is still 77.6MB. Free memory was 44.4MB in the beginning and 42.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:02,355 INFO L158 Benchmark]: RCFGBuilder took 10969.43ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 42.2MB in the beginning and 83.3MB in the end (delta: -41.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:02,356 INFO L158 Benchmark]: Referee took 28772.93ms. Allocated memory is still 115.3MB. Free memory was 83.3MB in the beginning and 89.6MB in the end (delta: -6.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:02,359 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 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 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 35 to check that procedure precondition always holds at line 55. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 56. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 35 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 check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.91ms. Allocated memory is still 77.6MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 77.6MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 115.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.22ms. Allocated memory is still 77.6MB. Free memory was 37.1MB in the beginning and 44.4MB in the end (delta: -7.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.00ms. Allocated memory is still 77.6MB. Free memory was 44.4MB in the beginning and 42.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10969.43ms. Allocated memory was 77.6MB in the beginning and 115.3MB in the end (delta: 37.7MB). Free memory was 42.2MB in the beginning and 83.3MB in the end (delta: -41.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 28772.93ms. Allocated memory is still 115.3MB. Free memory was 83.3MB in the beginning and 89.6MB in the end (delta: -6.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:02,570 WARN L435 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-09-11 20:50:02,602 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN