./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:27:22,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:22,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:27:22,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:22,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:22,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:22,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:22,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:22,780 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:22,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:22,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:22,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:22,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:22,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:22,782 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:22,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:22,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:22,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:22,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:27:22,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:22,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:22,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:22,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:22,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:22,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:22,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:22,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:22,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:22,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:22,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:22,788 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:22,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:22,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:22,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:22,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:22,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:22,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:22,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:27:22,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:27:22,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:22,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:22,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:22,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:22,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:23,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:23,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:23,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:23,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:23,099 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:23,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-20 13:27:24,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:24,906 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:24,907 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2024-09-20 13:27:24,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/80d5fa967/f9bbf6c313884d218c9143ee026812e4/FLAG81e5e483d [2024-09-20 13:27:24,935 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/80d5fa967/f9bbf6c313884d218c9143ee026812e4 [2024-09-20 13:27:24,939 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:24,941 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:24,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound1.yml/witness-2.1.yml [2024-09-20 13:27:25,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:25,009 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:25,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:25,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:25,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:25,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:24" (1/2) ... [2024-09-20 13:27:25,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139006f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:24" (1/2) ... [2024-09-20 13:27:25,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22cc3eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:25" (2/2) ... [2024-09-20 13:27:25,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139006f8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:25" (2/2) ... [2024-09-20 13:27:25,041 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:25,045 INFO L1541 ArrayList]: Loop invariant at [L35-L73] (((((((((a == 1) && (b == 0)) && (p == 0)) && (y == 1)) && (r == 1)) && (x == 1)) && (q == 1)) && (((__int128) s + 1) == 0)) || ((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (s == 1)) && (x == 1)) && (q == 0)) && (p == 1))) [2024-09-20 13:27:25,045 INFO L1541 ArrayList]: Loop invariant at [L49-L59] ((((((((((((a == 1) && (r == 0)) && (y == 1)) && (k == 0)) && (s == 1)) && (v == 1)) && (b == y)) && (d == 1)) && (q == 0)) && (a == x)) && (c == x)) && (p == 1)) [2024-09-20 13:27:25,045 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (s == 1)) && (x == 1)) && (k == 1)) && (q == 0)) && (c == 0)) && (p == 1)) || ((((((((((a == 1) && (r == 0)) && (b == 1)) && (y == 1)) && (k == 0)) && (s == 1)) && (x == 1)) && (q == 0)) && (c == 1)) && (p == 1))) [2024-09-20 13:27:25,045 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:25,045 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:27:25,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:25,255 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c[490,503] [2024-09-20 13:27:25,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:25,302 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:27:25,342 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:27:25,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:25,389 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:25,389 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:25 WrapperNode [2024-09-20 13:27:25,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:25,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:25,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:25,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:25,410 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,410 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,418 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,433 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 [2024-09-20 13:27:25,433 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,433 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,439 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,448 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,453 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,456 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:25,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:25,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:25,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:25,465 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 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:25,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:25,496 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) [2024-09-20 13:27:25,498 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 [2024-09-20 13:27:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:27:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:25,612 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:25,615 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:25,838 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:25,861 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:25,896 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:25,900 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-20 13:27:25,901 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:25 BoogieIcfgContainer [2024-09-20 13:27:25,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:25,901 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:25,901 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:25,902 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:25,903 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:24" (1/4) ... [2024-09-20 13:27:25,904 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45708366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,904 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:25" (2/4) ... [2024-09-20 13:27:25,904 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45708366 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,905 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 20.09 01:27:25" (3/4) ... [2024-09-20 13:27:25,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45708366 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,905 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:25" (4/4) ... [2024-09-20 13:27:25,907 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2024-09-20 13:27:25,910 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-20 13:27:25,911 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:25,911 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:27:25,911 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:25,911 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:27:25,911 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:25,911 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:25,911 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:27:25,911 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:25,912 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-20 13:27:25,912 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:25,912 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:25,912 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:27:25,912 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:25,912 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:25,912 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-20 13:27:25,981 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:27:25,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:25,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:25,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:25,984 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:25,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:25,998 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:27:26,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,005 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,028 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:26,071 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 13:27:26,071 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,071 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,071 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,071 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,092 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 13:27:26,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,093 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,101 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,134 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:27:26,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,135 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,135 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,135 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,161 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-20 13:27:26,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,169 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,174 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,197 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-20 13:27:26,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,198 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,208 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-20 13:27:26,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,210 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,216 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,241 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:26,241 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,249 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:26,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,250 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,252 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,266 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:26,267 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,267 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,267 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,267 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,284 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:26,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,285 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,287 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,290 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,318 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:27:26,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,319 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,319 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,329 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:27:26,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,331 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,334 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,347 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:26,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,350 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,351 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,356 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:26,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,357 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,357 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,357 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,360 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,375 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-20 13:27:26,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,397 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-20 13:27:26,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,398 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,398 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,398 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,405 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,420 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:26,421 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,421 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,421 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,425 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:26,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,425 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,426 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,430 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:26,444 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:26,444 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,444 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,445 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,445 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,450 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:26,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,455 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,469 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 13:27:26,469 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,470 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,488 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 13:27:26,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,488 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,489 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,495 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,511 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:26,512 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,512 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,513 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,516 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:26,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,516 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,516 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,516 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,519 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:26,530 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:26,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,534 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:26,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,534 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,534 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,538 INFO L520 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,543 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:27:26,543 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45708366 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:26, skipping insertion in model container [2024-09-20 13:27:26,543 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:26,545 INFO L158 Benchmark]: Toolchain (without parser) took 1535.17ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 131.3MB in the beginning and 143.6MB in the end (delta: -12.4MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,545 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:26,546 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:26,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.74ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 116.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,548 INFO L158 Benchmark]: Boogie Preprocessor took 69.42ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,549 INFO L158 Benchmark]: RCFGBuilder took 436.72ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 97.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,550 INFO L158 Benchmark]: Referee took 642.10ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 97.4MB in the beginning and 143.6MB in the end (delta: -46.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from entry of procedure 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 49 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 42. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 42. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.74ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 116.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.42ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.72ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 97.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 642.10ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 97.4MB in the beginning and 143.6MB in the end (delta: -46.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:27:26,589 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE