./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 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/divbin2_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.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-04d6fb3-m [2024-09-15 20:06:56,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:56,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:06:56,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:56,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:56,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:56,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:56,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:56,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:56,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:56,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:56,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:56,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:56,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:56,505 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:56,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:56,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:56,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:56,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:06:56,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:56,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:56,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:56,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:56,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:56,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:56,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:56,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:56,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:56,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:56,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:56,511 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:56,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:56,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:56,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:56,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:56,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:56,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:56,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:06:56,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:06:56,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:56,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:56,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:56,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:56,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:56,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:56,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:56,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:56,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:56,792 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:56,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-15 20:06:58,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:58,438 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:58,439 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-15 20:06:58,445 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d0926da9c/a37474ff949b48bbae59fd33fced054d/FLAG718630c7d [2024-09-15 20:06:58,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d0926da9c/a37474ff949b48bbae59fd33fced054d [2024-09-15 20:06:58,461 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:58,462 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:58,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-15 20:06:58,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:58,512 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:58,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:58,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:58,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:58,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:58" (1/2) ... [2024-09-15 20:06:58,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7772da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:58, skipping insertion in model container [2024-09-15 20:06:58,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:58" (1/2) ... [2024-09-15 20:06:58,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ee6b7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:58, skipping insertion in model container [2024-09-15 20:06:58,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:58" (2/2) ... [2024-09-15 20:06:58,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7772da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:58, skipping insertion in model container [2024-09-15 20:06:58,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:58" (2/2) ... [2024-09-15 20:06:58,532 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:58,532 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-15 20:06:58,532 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-15 20:06:58,532 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= \old(cond))), ensures ((1 <= counter) && (1 <= \old(cond))) [2024-09-15 20:06:58,533 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:06:58,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:06:58,697 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/divbin2_unwindbound1.i[951,964] [2024-09-15 20:06:58,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:58,728 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:06:58,769 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/divbin2_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-15 20:06:58,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:58,830 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:06:58,835 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:58 WrapperNode [2024-09-15 20:06:58,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:58,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:06:58,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:06:58,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:06:58,850 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,850 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,856 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,865 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:06:58,869 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,869 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,879 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,905 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,906 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,907 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:06:58,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:06:58,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:06:58,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:06:58,917 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 15.09 08:06:58" (1/1) ... [2024-09-15 20:06:58,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:58,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:06:58,948 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) [2024-09-15 20:06:58,950 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 [2024-09-15 20:06:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:06:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:06:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:06:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:06:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:06:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:06:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:06:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:06:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-15 20:06:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-15 20:06:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:06:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:06:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:06:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:06:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:06:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:06:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:06:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:06:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:06:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:06:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:06:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:06:59,054 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:06:59,056 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:06:59,099 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:59,210 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:59,234 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:06:59,262 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:06:59,263 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:06:59,263 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:59 BoogieIcfgContainer [2024-09-15 20:06:59,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:06:59,264 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:06:59,264 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:06:59,265 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:06:59,265 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:58" (1/4) ... [2024-09-15 20:06:59,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@780cf105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:59, skipping insertion in model container [2024-09-15 20:06:59,266 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:58" (2/4) ... [2024-09-15 20:06:59,266 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@780cf105 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:59, skipping insertion in model container [2024-09-15 20:06:59,266 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 15.09 08:06:58" (3/4) ... [2024-09-15 20:06:59,266 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@780cf105 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:59, skipping insertion in model container [2024-09-15 20:06:59,266 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:59" (4/4) ... [2024-09-15 20:06:59,267 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-15 20:06:59,270 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:06:59,271 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:06:59,271 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:06:59,271 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-15 20:06:59,271 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:06:59,271 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:59,271 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:59,272 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:59,272 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:06:59,272 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:06:59,272 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:06:59,272 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-15 20:06:59,337 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:06:59,340 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,340 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,341 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,411 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:06:59,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,413 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,413 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,417 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,435 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:59,455 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:06:59,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,456 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,464 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:06:59,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,464 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,465 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,467 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:59,484 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:06:59,484 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,487 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:06:59,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,488 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,488 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,488 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,488 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,494 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:59,509 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:06:59,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,509 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,518 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:06:59,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,519 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,519 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,519 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,523 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:59,543 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:59,543 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,544 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,544 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,544 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,545 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:59,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,546 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,546 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,546 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,547 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,548 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:59,566 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:06:59,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,570 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,570 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,577 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:06:59,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,579 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,581 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:59,592 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:59,593 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,593 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,595 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:59,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,596 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,597 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:06:59,608 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:06:59,608 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,608 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,609 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,609 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,621 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:06:59,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,626 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,632 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:59,650 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:06:59,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,679 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:06:59,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:59,690 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:59,708 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:06:59,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:59,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:59,709 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:59,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:59,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,720 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:06:59,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:59,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:59,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:59,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:59,723 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:03,727 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:03,731 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:07:03,731 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@780cf105 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:03, skipping insertion in model container [2024-09-15 20:07:03,731 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:03,733 INFO L158 Benchmark]: Toolchain (without parser) took 5220.61ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 70.3MB in the beginning and 111.1MB in the end (delta: -40.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-09-15 20:07:03,733 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:03,734 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 198.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:03,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.86ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 112.4MB in the end (delta: -42.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-15 20:07:03,735 INFO L158 Benchmark]: Boogie Preprocessor took 76.36ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 112.4MB in the beginning and 177.9MB in the end (delta: -65.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-09-15 20:07:03,736 INFO L158 Benchmark]: RCFGBuilder took 348.70ms. Allocated memory is still 205.5MB. Free memory was 177.9MB in the beginning and 162.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:07:03,736 INFO L158 Benchmark]: Referee took 4467.34ms. Allocated memory is still 205.5MB. Free memory was 162.1MB in the beginning and 111.1MB in the end (delta: 51.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-15 20:07:03,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. 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 20. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. 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 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 198.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.86ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 112.4MB in the end (delta: -42.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.36ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 112.4MB in the beginning and 177.9MB in the end (delta: -65.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * RCFGBuilder took 348.70ms. Allocated memory is still 205.5MB. Free memory was 177.9MB in the beginning and 162.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4467.34ms. Allocated memory is still 205.5MB. Free memory was 162.1MB in the beginning and 111.1MB in the end (delta: 51.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:07:03,764 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/divbin2_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.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-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:07:05,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:07:05,959 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:07:05,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:07:05,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:07:06,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:07:06,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:07:06,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:07:06,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:07:06,008 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:07:06,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:07:06,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:07:06,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:07:06,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:07:06,010 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:07:06,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:07:06,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:07:06,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:07:06,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:07:06,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:07:06,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:07:06,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:07:06,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:07:06,018 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:07:06,018 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:07:06,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:07:06,018 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:07:06,019 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:07:06,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:07:06,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:07:06,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:07:06,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:07:06,020 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:07:06,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:07:06,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:07:06,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:06,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:07:06,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:07:06,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:07:06,024 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:07:06,024 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:07:06,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:07:06,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:07:06,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:07:06,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:07:06,026 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:07:06,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:07:06,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:07:06,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:07:06,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:07:06,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:07:06,322 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:07:06,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-15 20:07:07,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:07:08,069 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:07:08,069 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-15 20:07:08,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7e5f144b2/0d9074ef51ab4ac39e0bfbbd2924e31e/FLAGc5399cd57 [2024-09-15 20:07:08,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7e5f144b2/0d9074ef51ab4ac39e0bfbbd2924e31e [2024-09-15 20:07:08,099 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:08,100 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:08,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-15 20:07:08,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:08,160 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:08,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:08,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:08,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:08,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:08" (1/2) ... [2024-09-15 20:07:08,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196dc99d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:08, skipping insertion in model container [2024-09-15 20:07:08,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:08" (1/2) ... [2024-09-15 20:07:08,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@471f5dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:08, skipping insertion in model container [2024-09-15 20:07:08,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:08" (2/2) ... [2024-09-15 20:07:08,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196dc99d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:08, skipping insertion in model container [2024-09-15 20:07:08,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:08" (2/2) ... [2024-09-15 20:07:08,188 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:08,190 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-15 20:07:08,190 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-15 20:07:08,190 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= \old(cond))), ensures ((1 <= counter) && (1 <= \old(cond))) [2024-09-15 20:07:08,190 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:07:08,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:08,373 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/divbin2_unwindbound1.i[951,964] [2024-09-15 20:07:08,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:08,418 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:07:08,471 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/divbin2_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-15 20:07:08,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:08,501 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:08,501 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:08 WrapperNode [2024-09-15 20:07:08,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:08,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:08,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:08,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:08,516 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,516 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,525 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,538 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:07:08,538 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,538 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,546 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,554 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,555 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,558 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:08,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:08,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:08,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:08,566 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 15.09 08:07:08" (1/1) ... [2024-09-15 20:07:08,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:08,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:08,598 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) [2024-09-15 20:07:08,601 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 [2024-09-15 20:07:08,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-15 20:07:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:07:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:07:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:07:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:08,739 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:08,741 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:08,790 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:09,017 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:09,038 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:09,097 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:09,098 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:07:09,102 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:09 BoogieIcfgContainer [2024-09-15 20:07:09,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:09,103 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:09,103 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:09,104 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:09,104 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:08" (1/4) ... [2024-09-15 20:07:09,105 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@17298e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,106 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:08" (2/4) ... [2024-09-15 20:07:09,107 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@17298e93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,107 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 15.09 08:07:08" (3/4) ... [2024-09-15 20:07:09,107 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@17298e93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,108 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:09" (4/4) ... [2024-09-15 20:07:09,109 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-15 20:07:09,112 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:07:09,113 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:07:09,114 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:09,114 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-15 20:07:09,114 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:07:09,115 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:09,115 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:09,115 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:09,115 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:09,116 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:07:09,116 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:09,116 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-15 20:07:09,173 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:07:09,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,176 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,177 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,226 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:07:09,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,239 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,255 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:09,277 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:09,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,281 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,282 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,282 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,291 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:09,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,302 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:09,323 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:09,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,324 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,325 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:09,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,333 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,333 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,333 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,339 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:09,362 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:09,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,363 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,375 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:09,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,376 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,381 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:09,398 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:09,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,401 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:09,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,401 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,403 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:09,416 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:07:09,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,416 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,416 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,421 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:07:09,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,422 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,422 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,422 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,424 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,427 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:09,439 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:09,439 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,442 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:09,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,444 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:07:09,453 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:07:09,454 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,454 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,454 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,464 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:07:09,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,465 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,465 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,468 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,491 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:07:09,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,491 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,492 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,492 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,515 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:07:09,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,515 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,523 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:09,530 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:07:09,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,530 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,542 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:07:09,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,548 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,549 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,552 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,595 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-15 20:07:09,595 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@17298e93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,595 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:09,601 INFO L158 Benchmark]: Toolchain (without parser) took 1439.44ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 36.9MB in the beginning and 40.2MB in the end (delta: -3.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,601 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 50.3MB. Free memory is still 23.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:09,601 INFO L158 Benchmark]: Witness Parser took 0.72ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:09,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.12ms. Allocated memory is still 62.9MB. Free memory was 36.8MB in the beginning and 40.2MB in the end (delta: -3.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,602 INFO L158 Benchmark]: Boogie Preprocessor took 61.58ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 38.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,603 INFO L158 Benchmark]: RCFGBuilder took 536.81ms. Allocated memory is still 62.9MB. Free memory was 38.1MB in the beginning and 39.8MB in the end (delta: -1.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,603 INFO L158 Benchmark]: Referee took 492.58ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.8MB in the beginning and 40.2MB in the end (delta: -422.0kB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. One counterexample starts in \old(counter)=0, A=-16400, B=0, b=0, counter=2147483647, q=0, r=-16400 and ends in \old(counter)=0, A=-16400, B=0, b=0, counter=-2147483648, q=0, r=-16400. Annotation is not valid for all loop-free paths from loop head at line 34 to loop head at line 38. One counterexample starts in \old(counter)=0, A=0, b=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=0, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 20. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. 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 34 to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 50.3MB. Free memory is still 23.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.72ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.12ms. Allocated memory is still 62.9MB. Free memory was 36.8MB in the beginning and 40.2MB in the end (delta: -3.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.58ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 38.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.81ms. Allocated memory is still 62.9MB. Free memory was 38.1MB in the beginning and 39.8MB in the end (delta: -1.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Referee took 492.58ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.8MB in the beginning and 40.2MB in the end (delta: -422.0kB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-15 20:07:09,640 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE