./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 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/egcd3-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:40:28,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:28,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:40:28,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:28,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:28,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:28,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:28,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:28,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:28,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:28,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:28,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:28,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:28,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:28,464 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:28,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:28,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:28,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:28,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:40:28,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:28,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:28,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:28,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:28,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:28,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:28,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:28,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:28,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:28,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:28,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:28,473 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:28,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:28,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:28,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:28,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:28,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:28,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:28,475 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:40:28,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:40:28,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:28,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:28,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:28,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:28,476 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:28,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:28,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:28,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:28,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:28,798 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:28,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-17 19:40:30,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:30,423 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:30,424 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-17 19:40:30,435 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/511e97af8/366199eae83446bfbb95491f32d39b6e/FLAG69a3f02f1 [2024-09-17 19:40:30,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/511e97af8/366199eae83446bfbb95491f32d39b6e [2024-09-17 19:40:30,453 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:30,454 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:30,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml [2024-09-17 19:40:30,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:30,506 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:30,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:30,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:30,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:30,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:30" (1/2) ... [2024-09-17 19:40:30,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290ee658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:30, skipping insertion in model container [2024-09-17 19:40:30,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:30" (1/2) ... [2024-09-17 19:40:30,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@313c1bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:30, skipping insertion in model container [2024-09-17 19:40:30,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:30" (2/2) ... [2024-09-17 19:40:30,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290ee658 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:30, skipping insertion in model container [2024-09-17 19:40:30,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:30" (2/2) ... [2024-09-17 19:40:30,532 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:30,533 INFO L1541 ArrayList]: Loop invariant at [L49-L59] ((((((((((((a == 1) && (r == 0)) && (y == 1)) && (k == 0)) && (s == 1)) && (v == 1)) && (b == y)) && (d == 1)) && (q == 0)) && (a == x)) && (c == x)) && (p == 1)) [2024-09-17 19:40:30,536 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (s == 1)) && (x == 1)) && (k == 1)) && (q == 0)) && (c == 0)) && (p == 1)) || ((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (k == 0)) && (s == 1)) && (x == 1)) && (q == 0)) && (c == 1)) && (p == 1))) [2024-09-17 19:40:30,536 INFO L1541 ArrayList]: Loop invariant at [L35-L73] (((((((((a == 1) && (b == 0)) && (p == 0)) && (y == 1)) && (r == 1)) && (x == 1)) && (q == 1)) && (((__int128) s + 1) == 0)) || ((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (s == 1)) && (x == 1)) && (q == 0)) && (p == 1))) [2024-09-17 19:40:30,536 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-17 19:40:30,536 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:30,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:30,735 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c[490,503] [2024-09-17 19:40:30,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:30,786 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:30,827 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-17 19:40:30,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:30,876 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:30,877 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:30 WrapperNode [2024-09-17 19:40:30,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:30,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:30,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:30,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:30,890 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,890 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,901 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,915 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-17 19:40:30,915 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,916 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,923 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,927 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,929 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,933 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:30,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:30,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:30,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:30,938 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 17.09 07:40:30" (1/1) ... [2024-09-17 19:40:30,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:30,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:30,968 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) [2024-09-17 19:40:30,971 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 [2024-09-17 19:40:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:40:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:40:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:31,074 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:31,078 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:31,341 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:31,362 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:31,389 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:31,390 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-17 19:40:31,390 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:31 BoogieIcfgContainer [2024-09-17 19:40:31,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:31,391 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:31,391 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:31,391 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:31,392 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:30" (1/4) ... [2024-09-17 19:40:31,392 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2833927e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:31, skipping insertion in model container [2024-09-17 19:40:31,392 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:30" (2/4) ... [2024-09-17 19:40:31,393 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2833927e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:31, skipping insertion in model container [2024-09-17 19:40:31,393 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 17.09 07:40:30" (3/4) ... [2024-09-17 19:40:31,393 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2833927e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:31, skipping insertion in model container [2024-09-17 19:40:31,393 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:31" (4/4) ... [2024-09-17 19:40:31,395 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2024-09-17 19:40:31,398 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-17 19:40:31,399 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:31,399 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:40:31,399 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:31,399 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-17 19:40:31,399 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:31,399 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:31,399 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-17 19:40:31,400 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:40:31,400 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-17 19:40:31,400 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:31,400 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:40:31,400 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:40:31,401 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:31,401 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:31,401 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head [2024-09-17 19:40:31,464 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:31,465 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,466 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,466 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,467 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,492 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:31,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,502 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,555 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:31,582 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-17 19:40:31,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,603 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-17 19:40:31,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,612 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:31,646 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:31,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,671 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-17 19:40:31,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,672 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,672 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,672 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,688 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:31,704 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-17 19:40:31,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,712 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-17 19:40:31,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,715 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,718 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:31,738 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:31,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,739 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,746 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:31,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,747 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,749 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:31,763 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:31,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,771 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:31,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,772 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,772 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,774 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:31,788 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-17 19:40:31,788 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,789 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,789 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,789 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,798 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-17 19:40:31,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,800 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,800 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,800 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,803 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:31,814 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:31,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,815 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,821 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:31,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,822 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,822 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,825 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:31,840 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-17 19:40:31,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,860 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-17 19:40:31,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,868 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:31,882 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:31,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,883 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,883 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,891 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:31,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,892 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,892 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,897 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:31,911 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:31,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,912 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,912 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,918 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:31,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,920 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,922 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:31,935 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-17 19:40:31,935 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,936 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,936 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,950 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-17 19:40:31,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,951 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,954 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:31,966 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:31,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,966 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,968 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:31,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,971 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:31,984 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:31,984 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,985 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,985 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,985 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,988 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:31,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,989 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,989 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:32,008 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:32,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:32,013 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:32,016 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:40:32,016 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2833927e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:32, skipping insertion in model container [2024-09-17 19:40:32,016 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:32,019 INFO L158 Benchmark]: Toolchain (without parser) took 1511.44ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 118.6MB in the end (delta: -8.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-09-17 19:40:32,020 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 113.2MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:32,020 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:32,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.83ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 95.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:32,021 INFO L158 Benchmark]: Boogie Preprocessor took 57.92ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 93.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:32,022 INFO L158 Benchmark]: RCFGBuilder took 453.70ms. Allocated memory is still 148.9MB. Free memory was 93.7MB in the beginning and 76.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-17 19:40:32,023 INFO L158 Benchmark]: Referee took 625.79ms. Allocated memory is still 148.9MB. Free memory was 76.1MB in the beginning and 118.6MB in the end (delta: -42.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:32,025 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 loop head at line 49 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 51. 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 42. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 42. 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 35. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. 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 42 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 113.2MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.83ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 95.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.92ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 93.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.70ms. Allocated memory is still 148.9MB. Free memory was 93.7MB in the beginning and 76.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 625.79ms. Allocated memory is still 148.9MB. Free memory was 76.1MB in the beginning and 118.6MB in the end (delta: -42.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:40:32,104 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE