./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound10.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_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound10.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 20:49:01,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:01,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:01,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:01,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:01,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:01,261 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:01,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:01,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:01,263 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:01,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:01,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:01,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:01,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:01,266 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:01,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:01,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:01,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:01,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:01,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:01,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:01,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:01,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:01,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:01,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:01,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:01,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:01,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:01,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:01,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:01,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:01,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:01,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:01,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:01,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:01,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:01,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:01,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:01,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:01,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:01,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:01,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:01,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:01,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:01,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:01,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:01,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:01,501 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:01,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2024-09-11 20:49:02,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:03,043 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:03,044 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2024-09-11 20:49:03,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/57472b235/f6e9ef3aa93b46daafc22659a10fde2c/FLAG8267a2dcc [2024-09-11 20:49:03,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/57472b235/f6e9ef3aa93b46daafc22659a10fde2c [2024-09-11 20:49:03,463 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:03,463 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:03,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:49:03,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:03,499 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:03,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:03,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:03,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:03,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:03" (1/2) ... [2024-09-11 20:49:03,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cbccbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:03, skipping insertion in model container [2024-09-11 20:49:03,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:03" (1/2) ... [2024-09-11 20:49:03,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7af3f9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:03, skipping insertion in model container [2024-09-11 20:49:03,506 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 08:49:03" (2/2) ... [2024-09-11 20:49:03,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cbccbf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:03, skipping insertion in model container [2024-09-11 20:49:03,506 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 08:49:03" (2/2) ... [2024-09-11 20:49:03,511 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:03,511 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 20:49:03,511 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:03,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:03,622 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_valuebound10.c[489,502] [2024-09-11 20:49:03,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:03,642 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:03,666 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_valuebound10.c[489,502] Start Parsing Local [2024-09-11 20:49:03,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:03,686 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:03,686 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:03 WrapperNode [2024-09-11 20:49:03,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:03,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:03,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:03,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:03,697 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,697 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,702 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,709 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 20:49:03,710 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,710 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,713 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,715 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,716 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,717 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:03,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:03,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:03,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:03,719 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 11.09 08:49:03" (1/1) ... [2024-09-11 20:49:03,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:03,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:03,747 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 20:49:03,749 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 20:49:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:03,848 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:03,852 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:03,995 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:04,047 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:04,047 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:04,061 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:04,062 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:04,062 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:04 BoogieIcfgContainer [2024-09-11 20:49:04,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:04,062 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:04,063 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:04,063 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:04,063 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:03" (1/4) ... [2024-09-11 20:49:04,064 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3cd5b76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:04, skipping insertion in model container [2024-09-11 20:49:04,064 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 08:49:03" (2/4) ... [2024-09-11 20:49:04,064 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3cd5b76f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:04, skipping insertion in model container [2024-09-11 20:49:04,064 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 11.09 08:49:03" (3/4) ... [2024-09-11 20:49:04,064 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3cd5b76f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:04, skipping insertion in model container [2024-09-11 20:49:04,064 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:04" (4/4) ... [2024-09-11 20:49:04,065 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound10.c [2024-09-11 20:49:04,068 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:04,068 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 20:49:04,068 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 20:49:04,069 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 20:49:04,069 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 20:49:04,069 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 20:49:04,069 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 20:49:04,069 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 20:49:04,069 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 20:49:04,069 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 20:49:04,070 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 20:49:04,070 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 20:49:04,070 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:49:04,103 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:04,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,105 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,119 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:04,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,119 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,120 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,120 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,120 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,139 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:04,156 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:49:04,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,183 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:49:04,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,189 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,195 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:04,214 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:04,214 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,214 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,233 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:04,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,234 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,245 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:04,254 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:04,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,254 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,255 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,257 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:04,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,257 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,257 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,257 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,257 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,259 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:04,266 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:49:04,266 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,273 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:49:04,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,273 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,276 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:04,283 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:04,284 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,284 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,293 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:49:04,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,294 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,294 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,297 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:04,303 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:04,303 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,303 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,303 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,305 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:04,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,305 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,305 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,305 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,306 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,309 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:04,314 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:04,314 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,315 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:04,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,316 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,316 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,316 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,317 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:04,322 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:04,322 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,322 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,322 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,322 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,328 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:04,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,328 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,328 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,328 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,329 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:04,335 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:49:04,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,335 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,335 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,335 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,353 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:49:04,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,356 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,359 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:04,366 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:04,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,373 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:04,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,373 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,373 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,376 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:04,380 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:04,380 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3cd5b76f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:04, skipping insertion in model container [2024-09-11 20:49:04,381 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:04,382 INFO L158 Benchmark]: Toolchain (without parser) took 882.73ms. Allocated memory is still 213.9MB. Free memory was 143.8MB in the beginning and 107.9MB in the end (delta: 35.8MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:04,383 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:04,383 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 213.9MB. Free memory was 145.8MB in the beginning and 145.6MB in the end (delta: 237.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:04,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.09ms. Allocated memory is still 213.9MB. Free memory was 143.5MB in the beginning and 129.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:04,384 INFO L158 Benchmark]: Boogie Preprocessor took 30.90ms. Allocated memory is still 213.9MB. Free memory was 129.8MB in the beginning and 127.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:04,385 INFO L158 Benchmark]: RCFGBuilder took 343.62ms. Allocated memory is still 213.9MB. Free memory was 127.7MB in the beginning and 177.1MB in the end (delta: -49.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:04,386 INFO L158 Benchmark]: Referee took 318.28ms. Allocated memory is still 213.9MB. Free memory was 177.1MB in the beginning and 107.9MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:04,388 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 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 loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure main 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 54. 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 37. 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 56. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 213.9MB. Free memory was 145.8MB in the beginning and 145.6MB in the end (delta: 237.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.09ms. Allocated memory is still 213.9MB. Free memory was 143.5MB in the beginning and 129.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.90ms. Allocated memory is still 213.9MB. Free memory was 129.8MB in the beginning and 127.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.62ms. Allocated memory is still 213.9MB. Free memory was 127.7MB in the beginning and 177.1MB in the end (delta: -49.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Referee took 318.28ms. Allocated memory is still 213.9MB. Free memory was 177.1MB in the beginning and 107.9MB in the end (delta: 69.2MB). 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 20:49:04,415 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound10.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 20:49:06,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:06,472 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:06,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:06,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:06,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:06,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:06,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:06,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:06,498 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:06,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:06,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:06,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:06,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:06,500 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:06,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:06,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:06,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:06,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:06,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:06,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:06,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:06,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:06,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:06,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:06,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:06,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:06,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:06,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:06,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:06,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:06,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:06,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:06,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:06,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:06,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:06,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:06,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:06,510 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:06,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:06,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:06,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:06,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:06,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:06,512 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:06,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:06,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:06,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:06,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:06,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:06,738 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:06,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2024-09-11 20:49:08,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:08,228 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:08,228 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2024-09-11 20:49:08,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/be4a27bab/7ba9d538924c4b3692fc1588a265b29d/FLAG501e90e8d [2024-09-11 20:49:08,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/be4a27bab/7ba9d538924c4b3692fc1588a265b29d [2024-09-11 20:49:08,621 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:08,622 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:08,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:49:08,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:08,665 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:08,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:08,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:08,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:08,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:08" (1/2) ... [2024-09-11 20:49:08,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13000696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:08, skipping insertion in model container [2024-09-11 20:49:08,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:08" (1/2) ... [2024-09-11 20:49:08,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e8bf6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:08, skipping insertion in model container [2024-09-11 20:49:08,675 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 08:49:08" (2/2) ... [2024-09-11 20:49:08,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13000696 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:08, skipping insertion in model container [2024-09-11 20:49:08,676 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 08:49:08" (2/2) ... [2024-09-11 20:49:08,681 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:08,681 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 20:49:08,682 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:08,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:08,824 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_valuebound10.c[489,502] [2024-09-11 20:49:08,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:08,857 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:08,909 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_valuebound10.c[489,502] Start Parsing Local [2024-09-11 20:49:08,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:08,935 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:08,936 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:08 WrapperNode [2024-09-11 20:49:08,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:08,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:08,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:08,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:08,947 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,948 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,958 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,973 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 20:49:08,974 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,974 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,982 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,988 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,989 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,991 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:08,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:08,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:08,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:08,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:08,998 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 11.09 08:49:08" (1/1) ... [2024-09-11 20:49:09,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:09,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:09,028 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 20:49:09,034 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 20:49:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:09,140 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:09,141 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:19,336 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:19,473 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:19,476 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:19,503 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:19,503 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:19,504 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:19 BoogieIcfgContainer [2024-09-11 20:49:19,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:19,505 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:19,505 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:19,505 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:19,505 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:08" (1/4) ... [2024-09-11 20:49:19,506 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e587aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:19, skipping insertion in model container [2024-09-11 20:49:19,506 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 08:49:08" (2/4) ... [2024-09-11 20:49:19,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e587aa0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:19, skipping insertion in model container [2024-09-11 20:49:19,507 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 11.09 08:49:08" (3/4) ... [2024-09-11 20:49:19,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e587aa0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:19, skipping insertion in model container [2024-09-11 20:49:19,507 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:19" (4/4) ... [2024-09-11 20:49:19,508 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound10.c [2024-09-11 20:49:19,514 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:19,515 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 20:49:19,515 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 20:49:19,515 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 20:49:19,515 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 20:49:19,516 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 20:49:19,516 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 20:49:19,516 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 20:49:19,516 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 20:49:19,516 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 20:49:19,516 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 20:49:19,516 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 20:49:19,516 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 7 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:49:19,594 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:19,595 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,599 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,623 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:19,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:23,893 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:23,997 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:49:23,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:23,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:23,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:23,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:23,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,058 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:49:24,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:24,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:24,059 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:24,059 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:24,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:28,394 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:28,527 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:28,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:28,529 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:28,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:28,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:28,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,550 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:28,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:28,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:28,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:28,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:28,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,829 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:32,933 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:32,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,934 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,938 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:32,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,938 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:34,288 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:34,386 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:49:34,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:34,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:34,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:34,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:34,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,396 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:49:34,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,397 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:34,397 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:34,397 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:34,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:34,402 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:34,410 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:34,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:34,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:34,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:34,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:34,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,435 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:49:34,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:34,435 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:34,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:34,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:34,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:36,249 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:36,348 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:36,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:36,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:36,349 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:36,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:36,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,352 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:36,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:36,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:36,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:36,353 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:36,356 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:36,364 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:36,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:36,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:36,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:36,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:36,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,368 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:36,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:36,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:36,369 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:36,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:36,371 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:36,378 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:36,378 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:36,378 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:36,379 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:36,379 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:36,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,391 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:36,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:36,391 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:36,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:36,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:36,394 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:36,404 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:49:36,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:36,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:36,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:36,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:36,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,435 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:49:36,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:36,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:36,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:36,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:36,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:41,372 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:41,612 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:41,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:41,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:41,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:41,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:41,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:41,620 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:41,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:41,620 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:41,620 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:41,620 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:41,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:45,879 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:45,981 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:49:45,982 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e587aa0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:45, skipping insertion in model container [2024-09-11 20:49:45,982 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:45,983 INFO L158 Benchmark]: Toolchain (without parser) took 37317.62ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 72.5MB in the beginning and 80.6MB in the end (delta: -8.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:45,984 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 96.5MB. Free memory was 78.4MB in the beginning and 78.3MB in the end (delta: 123.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:45,984 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:45,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.21ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 58.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:45,984 INFO L158 Benchmark]: Boogie Preprocessor took 59.63ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 55.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:45,985 INFO L158 Benchmark]: RCFGBuilder took 10507.02ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 64.9MB in the end (delta: -9.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:45,985 INFO L158 Benchmark]: Referee took 26477.29ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 64.9MB in the beginning and 80.6MB in the end (delta: -15.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:45,987 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 56. 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 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 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 37. 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 35. Annotation is valid for all loop-free paths from entry of procedure main 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 55. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 96.5MB. Free memory was 78.4MB in the beginning and 78.3MB in the end (delta: 123.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.21ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 58.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.63ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 55.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10507.02ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 64.9MB in the end (delta: -9.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Referee took 26477.29ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 64.9MB in the beginning and 80.6MB in the end (delta: -15.7MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:46,168 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