./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound1.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/egcd2-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-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-dev-a9b967e-m [2024-09-11 20:49:15,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:15,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:15,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:15,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:15,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:15,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:15,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:15,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:15,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:15,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:15,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:15,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:15,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:15,912 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:15,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:15,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:15,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:15,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:15,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:15,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:15,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:15,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:15,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:15,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:15,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:15,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:15,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:15,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:15,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:15,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:15,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:15,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:15,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:15,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:15,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:15,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:15,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:15,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:15,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:15,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:15,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:15,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:16,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:16,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:16,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:16,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:16,191 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:16,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-09-11 20:49:17,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:17,871 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:17,872 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-09-11 20:49:17,879 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b02d191f9/33184a352e1248b4afaef3c8df475686/FLAGdd0293ba8 [2024-09-11 20:49:17,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b02d191f9/33184a352e1248b4afaef3c8df475686 [2024-09-11 20:49:17,893 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:17,894 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:17,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:17,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:17,955 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:17,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:17,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:17,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:17,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:17" (1/2) ... [2024-09-11 20:49:17,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d57410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:17" (1/2) ... [2024-09-11 20:49:17,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fc59ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,966 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 08:49:17" (2/2) ... [2024-09-11 20:49:17,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d57410 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:17, skipping insertion in model container [2024-09-11 20:49:17,966 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 08:49:17" (2/2) ... [2024-09-11 20:49:17,980 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:17,981 INFO L1541 ArrayList]: Loop invariant at [L47-L56] ((((((((((((b == 1) && (p == 1)) && (c == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (k == 0)) && (s == 1)) || (((((((((((c == 0) && (k == 1)) && (b == 1)) && (p == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1))) [2024-09-11 20:49:17,981 INFO L1541 ArrayList]: Loop invariant at [L41-L68] ((((((((((b == 1) && (p == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1)) || ((((((q + s) == 0) && (b == 0)) && (x == 1)) && (y == 1)) && ((((__int128) r * y) + ((__int128) p * x)) == a))) [2024-09-11 20:49:17,981 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:17,984 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:18,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:18,177 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/egcd2-ll_valuebound1.c[490,503] [2024-09-11 20:49:18,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:18,225 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:18,265 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/egcd2-ll_valuebound1.c[490,503] Start Parsing Local Start Parsing Local [2024-09-11 20:49:18,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:18,314 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:18,315 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:18 WrapperNode [2024-09-11 20:49:18,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:18,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:18,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:18,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:18,329 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,329 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,336 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,352 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 [2024-09-11 20:49:18,352 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,352 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,362 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,369 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,370 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,371 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:18,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:18,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:18,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:18,379 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 08:49:18" (1/1) ... [2024-09-11 20:49:18,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:18,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:18,408 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 20:49:18,410 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 20:49:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:18,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:18,517 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:18,519 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:18,741 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:18,801 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:18,802 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:18,826 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:18,827 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:49:18,827 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:18 BoogieIcfgContainer [2024-09-11 20:49:18,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:18,828 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:18,828 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:18,829 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:18,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:17" (1/4) ... [2024-09-11 20:49:18,831 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52a6e616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:18, skipping insertion in model container [2024-09-11 20:49:18,831 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 08:49:17" (2/4) ... [2024-09-11 20:49:18,832 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52a6e616 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:18, skipping insertion in model container [2024-09-11 20:49:18,832 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 08:49:18" (3/4) ... [2024-09-11 20:49:18,832 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52a6e616 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:18, skipping insertion in model container [2024-09-11 20:49:18,832 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 08:49:18" (4/4) ... [2024-09-11 20:49:18,834 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2024-09-11 20:49:18,838 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:49:18,839 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:18,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:18,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:18,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:18,840 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:49:18,841 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:49:18,841 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:18,841 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:18,841 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:18,842 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:18,842 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 20:49:18,842 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 20:49:18,842 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:18,843 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:18,925 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:18,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,927 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,945 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:18,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,947 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,947 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,947 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,968 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:19,009 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:19,012 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,013 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,013 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,020 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:19,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,031 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:19,068 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:19,071 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,071 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,071 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,072 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,092 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-11 20:49:19,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,102 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:19,130 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:19,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,131 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,131 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,148 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:19,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,154 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:19,174 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:49:19,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,175 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,211 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:49:19,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,217 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:19,238 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:19,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,238 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,268 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:49:19,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,276 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,282 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:19,299 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:19,300 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,300 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,300 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,301 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,310 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:19,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,311 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,311 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,317 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:19,331 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:19,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,334 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,334 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,352 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:19,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,358 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:19,372 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:19,372 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,382 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:19,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,382 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,383 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,383 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,388 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:19,401 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:19,402 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,408 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:19,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,409 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,410 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,415 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:19,427 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:19,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,429 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:19,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,430 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,431 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,431 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,433 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,434 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:19,447 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:19,448 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,448 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,448 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,448 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,449 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:19,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,450 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,453 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:19,466 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:19,466 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,467 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,467 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,467 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,473 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:19,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,477 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:19,481 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:19,482 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@52a6e616 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:19, skipping insertion in model container [2024-09-11 20:49:19,483 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:19,484 INFO L158 Benchmark]: Toolchain (without parser) took 1528.64ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 97.0MB in the beginning and 83.4MB in the end (delta: 13.6MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,485 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:19,485 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:19,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.31ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 81.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,487 INFO L158 Benchmark]: Boogie Preprocessor took 61.26ms. Allocated memory is still 155.2MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,487 INFO L158 Benchmark]: RCFGBuilder took 449.68ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 79.5MB in the beginning and 168.3MB in the end (delta: -88.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,487 INFO L158 Benchmark]: Referee took 654.94ms. Allocated memory is still 201.3MB. Free memory was 168.3MB in the beginning and 83.4MB in the end (delta: 84.9MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,489 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 47 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 71. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 47. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.31ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 81.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.26ms. Allocated memory is still 155.2MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.68ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 79.5MB in the beginning and 168.3MB in the end (delta: -88.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Referee took 654.94ms. Allocated memory is still 201.3MB. Free memory was 168.3MB in the beginning and 83.4MB in the end (delta: 84.9MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:19,528 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound1.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 20:49:21,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:21,889 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:21,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:21,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:21,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:21,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:21,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:21,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:21,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:21,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:21,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:21,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:21,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:21,942 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:21,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:21,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:21,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:21,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:21,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:21,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:21,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:21,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:21,948 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:21,949 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:21,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:21,949 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:21,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:21,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:21,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:21,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:21,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:21,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:21,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:21,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:21,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:21,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:21,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:21,952 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:21,952 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:21,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:21,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:21,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:21,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:21,954 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:21,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:22,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:22,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:22,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:22,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:22,319 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:22,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-09-11 20:49:23,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:24,133 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:24,134 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2024-09-11 20:49:24,148 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/44ee431a9/79e8a15009d3454a994a0113bd2cc234/FLAGa580768ac [2024-09-11 20:49:24,505 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/44ee431a9/79e8a15009d3454a994a0113bd2cc234 [2024-09-11 20:49:24,508 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:24,509 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:24,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:24,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:24,582 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:24,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:24,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:24,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:24,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:24" (1/2) ... [2024-09-11 20:49:24,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7abe138b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:24, skipping insertion in model container [2024-09-11 20:49:24,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:24" (1/2) ... [2024-09-11 20:49:24,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57e7e2ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:24, skipping insertion in model container [2024-09-11 20:49:24,594 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 08:49:24" (2/2) ... [2024-09-11 20:49:24,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7abe138b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:24, skipping insertion in model container [2024-09-11 20:49:24,594 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 08:49:24" (2/2) ... [2024-09-11 20:49:24,606 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:24,606 INFO L1541 ArrayList]: Loop invariant at [L41-L68] ((((((((((b == 1) && (p == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1)) || ((((((q + s) == 0) && (b == 0)) && (x == 1)) && (y == 1)) && ((((__int128) r * y) + ((__int128) p * x)) == a))) [2024-09-11 20:49:24,607 INFO L1541 ArrayList]: Loop invariant at [L47-L56] ((((((((((((b == 1) && (p == 1)) && (c == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (k == 0)) && (s == 1)) || (((((((((((c == 0) && (k == 1)) && (b == 1)) && (p == 1)) && (yy == 1)) && (a == 1)) && (x == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (s == 1))) [2024-09-11 20:49:24,607 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:24,607 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:24,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:24,796 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/egcd2-ll_valuebound1.c[490,503] [2024-09-11 20:49:24,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:24,851 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:24,894 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/egcd2-ll_valuebound1.c[490,503] Start Parsing Local Start Parsing Local [2024-09-11 20:49:24,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:24,950 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:24,951 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:24 WrapperNode [2024-09-11 20:49:24,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:24,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:24,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:24,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:24,966 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 08:49:24" (1/1) ... [2024-09-11 20:49:24,966 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 08:49:24" (1/1) ... [2024-09-11 20:49:24,976 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 08:49:24" (1/1) ... [2024-09-11 20:49:24,992 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 [2024-09-11 20:49:24,992 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 08:49:24" (1/1) ... [2024-09-11 20:49:24,993 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 08:49:24" (1/1) ... [2024-09-11 20:49:25,006 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 08:49:24" (1/1) ... [2024-09-11 20:49:25,010 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 08:49:24" (1/1) ... [2024-09-11 20:49:25,017 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 08:49:24" (1/1) ... [2024-09-11 20:49:25,018 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 08:49:24" (1/1) ... [2024-09-11 20:49:25,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:25,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:25,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:25,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:25,029 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 08:49:24" (1/1) ... [2024-09-11 20:49:25,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:25,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:25,060 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 20:49:25,066 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 20:49:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:25,208 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:25,211 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:29,347 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:29,437 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:29,438 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:29,466 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:29,470 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:49:29,471 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:29 BoogieIcfgContainer [2024-09-11 20:49:29,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:29,472 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:29,472 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:29,473 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:29,480 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:24" (1/4) ... [2024-09-11 20:49:29,481 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12c7db0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:29, skipping insertion in model container [2024-09-11 20:49:29,481 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 08:49:24" (2/4) ... [2024-09-11 20:49:29,481 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12c7db0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:29, skipping insertion in model container [2024-09-11 20:49:29,481 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 08:49:24" (3/4) ... [2024-09-11 20:49:29,481 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12c7db0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:29, skipping insertion in model container [2024-09-11 20:49:29,481 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 08:49:29" (4/4) ... [2024-09-11 20:49:29,483 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2024-09-11 20:49:29,492 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:49:29,493 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:29,493 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:29,493 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:29,493 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:29,494 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:49:29,494 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:49:29,494 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:29,494 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:29,494 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:29,495 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:29,495 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 20:49:29,495 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 20:49:29,497 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:29,498 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from loop head to error location [2024-09-11 20:49:29,580 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:29,581 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:29,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:29,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:29,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:29,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,599 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:29,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,600 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:29,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:29,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:29,604 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:29,622 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:29,652 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:29,655 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:29,655 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:29,655 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:29,655 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:29,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,663 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:29,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,666 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:29,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:29,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:29,667 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:29,700 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:29,754 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:29,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:29,755 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:29,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:29,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:29,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,778 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-11 20:49:29,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:29,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:29,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:29,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:29,785 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:30,475 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:30,541 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:30,541 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:30,541 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:30,541 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:30,541 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:30,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,554 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:30,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:30,555 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:30,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:30,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:30,754 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:30,832 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:49:30,833 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:30,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:30,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:30,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:30,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,854 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:49:30,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,854 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:30,854 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:30,854 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:30,854 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:30,905 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:30,938 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:30,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:30,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:30,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:30,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:30,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,980 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:49:30,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,981 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:30,981 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:30,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:30,986 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:31,469 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:31,591 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:31,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:31,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:31,592 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:31,592 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:31,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:31,599 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:31,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:31,600 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:31,600 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:31,600 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:31,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:31,604 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:31,618 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:31,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:31,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:31,619 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:31,619 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:31,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:31,647 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:31,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:31,647 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:31,648 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:31,648 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:31,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:31,875 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:31,936 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:31,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:31,937 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:31,937 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:31,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:31,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:31,944 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:31,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:31,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:31,946 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:31,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:31,946 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,081 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:32,121 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:32,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,121 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,121 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,128 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:32,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,129 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,129 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,129 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,136 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,470 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:32,533 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:32,534 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,536 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:32,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,539 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:32,550 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:32,550 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,550 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,550 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,551 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:32,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,552 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,552 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,552 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,552 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,554 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:32,564 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:32,565 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,565 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,565 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,565 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,570 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:32,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,571 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,571 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,571 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,571 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,657 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:32,682 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:32,683 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12c7db0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:32, skipping insertion in model container [2024-09-11 20:49:32,683 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:32,685 INFO L158 Benchmark]: Toolchain (without parser) took 8102.47ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 25.1MB in the end (delta: 22.4MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,686 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 50.3MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:32,686 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:32,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.35ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 32.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,687 INFO L158 Benchmark]: Boogie Preprocessor took 72.11ms. Allocated memory is still 67.1MB. Free memory was 32.1MB in the beginning and 29.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,687 INFO L158 Benchmark]: RCFGBuilder took 4445.78ms. Allocated memory is still 67.1MB. Free memory was 29.7MB in the beginning and 26.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,688 INFO L158 Benchmark]: Referee took 3211.41ms. Allocated memory is still 67.1MB. Free memory was 26.7MB in the beginning and 25.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,691 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 41. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 47 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 41 to check that procedure precondition always holds at line 71. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 50.3MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.35ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 32.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.11ms. Allocated memory is still 67.1MB. Free memory was 32.1MB in the beginning and 29.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4445.78ms. Allocated memory is still 67.1MB. Free memory was 29.7MB in the beginning and 26.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 3211.41ms. Allocated memory is still 67.1MB. Free memory was 26.7MB in the beginning and 25.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:32,787 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: UNKNOWN