./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:49:46,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:49:46,838 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:49:46,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:49:46,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:49:46,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:49:46,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:49:46,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:49:46,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:49:46,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:49:46,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:49:46,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:49:46,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:49:46,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:49:46,885 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:49:46,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:49:46,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:49:46,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:49:46,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:49:46,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:49:46,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:49:46,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:49:46,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:49:46,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:49:46,892 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:49:46,892 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:49:46,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:49:46,893 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:49:46,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:49:46,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:49:46,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:49:46,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:49:46,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:46,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:49:46,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:49:46,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:49:46,896 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:49:46,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:49:46,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:49:46,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:49:46,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:49:46,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:49:46,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:49:47,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:49:47,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:49:47,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:49:47,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:49:47,169 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:49:47,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-12 16:49:48,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:49:48,816 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:49:48,816 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-12 16:49:48,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/260c6a279/6e1ddf3fafae4d35b8e3649d6dd8367d/FLAG1ff949d5a [2024-09-12 16:49:49,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/260c6a279/6e1ddf3fafae4d35b8e3649d6dd8367d [2024-09-12 16:49:49,205 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:49:49,205 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:49:49,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-12 16:49:49,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:49:49,263 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:49:49,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:49,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:49:49,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:49:49,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:49" (1/2) ... [2024-09-12 16:49:49,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d99842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:49" (1/2) ... [2024-09-12 16:49:49,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@127cd2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:49" (2/2) ... [2024-09-12 16:49:49,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d99842 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:49" (2/2) ... [2024-09-12 16:49:49,285 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:49:49,285 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && ((A % 4294967296) <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) [2024-09-12 16:49:49,285 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && ((A % 4294967296) == 1)) && (B == 1)) && (q == 1))) [2024-09-12 16:49:49,285 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-12 16:49:49,285 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:49:49,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:49:49,453 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-09-12 16:49:49,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:49,481 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:49:49,522 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-12 16:49:49,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:49,575 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:49:49,575 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:49 WrapperNode [2024-09-12 16:49:49,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:49,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:49:49,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:49:49,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:49:49,591 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,592 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,598 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,608 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 [2024-09-12 16:49:49,608 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,609 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,614 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,617 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,619 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,620 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:49:49,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:49:49,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:49:49,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:49:49,624 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:49,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:49:49,650 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) [2024-09-12 16:49:49,651 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 [2024-09-12 16:49:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:49:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:49:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:49:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:49:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:49:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:49:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:49:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:49:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:49:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:49:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:49:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:49:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:49:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:49:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:49:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:49:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:49:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:49:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:49:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:49:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:49:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:49:49,759 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:49:49,762 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:50,002 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:50,040 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:50,040 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:50,061 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:50,061 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:49:50,061 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:50 BoogieIcfgContainer [2024-09-12 16:49:50,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:50,062 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:50,062 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:50,063 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:50,063 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:49:49" (1/4) ... [2024-09-12 16:49:50,064 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79cb9faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:50, skipping insertion in model container [2024-09-12 16:49:50,064 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:49" (2/4) ... [2024-09-12 16:49:50,064 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79cb9faf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:50, skipping insertion in model container [2024-09-12 16:49:50,064 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:49" (3/4) ... [2024-09-12 16:49:50,064 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79cb9faf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:50, skipping insertion in model container [2024-09-12 16:49:50,064 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:50" (4/4) ... [2024-09-12 16:49:50,066 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-12 16:49:50,070 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:49:50,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:50,071 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:50,071 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:49:50,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:49:50,072 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:50,072 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:50,072 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 16:49:50,072 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:49:50,072 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:49:50,074 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, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-12 16:49:50,122 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:49:50,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:50,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:50,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:50,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:50,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:50,138 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:49:50,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:50,140 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:50,140 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:50,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:50,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:50,161 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:50,185 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:50,185 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:50,185 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:50,186 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:50,186 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:50,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:50,200 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:50,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:50,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:50,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:50,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:50,201 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,209 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:49:54,253 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:49:54,253 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,253 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,253 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,281 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:49:54,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,281 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,281 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,282 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,282 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,317 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:54,353 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:49:54,357 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,357 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,357 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,357 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,365 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:49:54,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,366 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,366 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,366 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,366 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,368 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:54,384 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:49:54,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,385 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,385 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,385 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,388 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:49:54,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,389 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,390 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:54,402 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:54,402 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,403 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,404 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:54,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,405 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,405 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,405 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,406 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:49:54,418 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-12 16:49:54,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,432 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-12 16:49:54,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,436 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,441 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:54,456 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 16:49:54,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,494 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 16:49:54,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,498 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,505 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,518 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:54,531 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:49:54,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,542 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:49:54,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,543 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,543 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,543 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,546 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,548 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:54,552 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:49:54,554 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@79cb9faf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:49:54, skipping insertion in model container [2024-09-12 16:49:54,554 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:49:54,556 INFO L158 Benchmark]: Toolchain (without parser) took 5292.08ms. Allocated memory is still 174.1MB. Free memory was 120.1MB in the beginning and 104.5MB in the end (delta: 15.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-12 16:49:54,557 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 113.2MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:54,558 INFO L158 Benchmark]: Witness Parser took 0.71ms. Allocated memory is still 174.1MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:54,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.58ms. Allocated memory is still 174.1MB. Free memory was 120.1MB in the beginning and 106.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:49:54,560 INFO L158 Benchmark]: Boogie Preprocessor took 45.59ms. Allocated memory is still 174.1MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:54,560 INFO L158 Benchmark]: RCFGBuilder took 438.66ms. Allocated memory is still 174.1MB. Free memory was 104.0MB in the beginning and 85.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 16:49:54,561 INFO L158 Benchmark]: Referee took 4492.00ms. Allocated memory is still 174.1MB. Free memory was 85.2MB in the beginning and 104.5MB in the end (delta: -19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 16:49:54,564 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 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 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 38 to check that procedure precondition always holds at line 38. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 113.2MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.71ms. Allocated memory is still 174.1MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.58ms. Allocated memory is still 174.1MB. Free memory was 120.1MB in the beginning and 106.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.59ms. Allocated memory is still 174.1MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.66ms. Allocated memory is still 174.1MB. Free memory was 104.0MB in the beginning and 85.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 4492.00ms. Allocated memory is still 174.1MB. Free memory was 85.2MB in the beginning and 104.5MB in the end (delta: -19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:49:54,585 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_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:49:56,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:49:56,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:49:56,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:49:56,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:49:56,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:49:56,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:49:56,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:49:56,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:49:56,778 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:49:56,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:49:56,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:49:56,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:49:56,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:49:56,782 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:49:56,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:49:56,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:49:56,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:49:56,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:49:56,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:49:56,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:49:56,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:49:56,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:49:56,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:49:56,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:49:56,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:49:56,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:49:56,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:49:56,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:49:56,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:49:56,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:49:56,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:49:56,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:49:56,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:49:56,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:56,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:49:56,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:49:56,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:49:56,792 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:49:56,792 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:49:56,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:49:56,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:49:56,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:49:56,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:49:56,793 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:49:56,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:49:57,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:49:57,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:49:57,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:49:57,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:49:57,133 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:49:57,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-12 16:49:58,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:49:58,825 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:49:58,825 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-12 16:49:58,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9660fda95/47346cf71d974649acd16dd96e86d1d9/FLAG99fd56676 [2024-09-12 16:49:58,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9660fda95/47346cf71d974649acd16dd96e86d1d9 [2024-09-12 16:49:58,849 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:49:58,849 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:49:58,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-12 16:49:58,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:49:58,906 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:49:58,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:58,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:49:58,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:49:58,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:58" (1/2) ... [2024-09-12 16:49:58,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc10a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:58, skipping insertion in model container [2024-09-12 16:49:58,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:58" (1/2) ... [2024-09-12 16:49:58,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19962144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:58, skipping insertion in model container [2024-09-12 16:49:58,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:58" (2/2) ... [2024-09-12 16:49:58,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc10a3e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:58, skipping insertion in model container [2024-09-12 16:49:58,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:58" (2/2) ... [2024-09-12 16:49:58,932 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:49:58,934 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && ((A % 4294967296) <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) [2024-09-12 16:49:58,934 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && ((A % 4294967296) <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && ((A % 4294967296) == 1)) && (B == 1)) && (q == 1))) [2024-09-12 16:49:58,934 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-12 16:49:58,934 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:49:58,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:49:59,138 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-09-12 16:49:59,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:59,172 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:49:59,212 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-12 16:49:59,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:59,259 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:49:59,260 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:59 WrapperNode [2024-09-12 16:49:59,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:59,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:49:59,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:49:59,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:49:59,274 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,274 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,282 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,292 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 [2024-09-12 16:49:59,293 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,293 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,299 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,304 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,305 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,306 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:49:59,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:49:59,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:49:59,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:49:59,314 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 12.09 04:49:59" (1/1) ... [2024-09-12 16:49:59,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:59,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:49:59,344 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) [2024-09-12 16:49:59,347 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 [2024-09-12 16:49:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:49:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:49:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:49:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:49:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:49:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:49:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:49:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:49:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:49:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:49:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:49:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:49:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:49:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:49:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:49:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:49:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:49:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:49:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:49:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:49:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:49:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:49:59,489 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:49:59,491 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:59,762 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:59,817 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:59,817 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:59,850 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:59,852 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:49:59,853 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:59 BoogieIcfgContainer [2024-09-12 16:49:59,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:59,854 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:59,854 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:59,855 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:59,855 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:49:58" (1/4) ... [2024-09-12 16:49:59,855 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69d8d027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:59, skipping insertion in model container [2024-09-12 16:49:59,857 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:58" (2/4) ... [2024-09-12 16:49:59,857 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69d8d027 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:59, skipping insertion in model container [2024-09-12 16:49:59,858 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 12.09 04:49:59" (3/4) ... [2024-09-12 16:49:59,858 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69d8d027 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:59, skipping insertion in model container [2024-09-12 16:49:59,858 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:59" (4/4) ... [2024-09-12 16:49:59,860 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-12 16:49:59,864 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:49:59,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:59,865 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:59,865 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:49:59,866 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:49:59,866 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:59,866 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:59,867 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 16:49:59,867 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:49:59,867 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:49:59,867 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-12 16:49:59,908 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:49:59,908 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:59,909 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:59,910 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:59,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:59,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:59,930 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:49:59,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:59,933 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:59,933 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:59,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:59,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:59,952 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:59,978 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:59,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:59,980 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:59,980 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:59,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:59,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:59,991 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:59,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:59,993 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:59,994 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:59,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:59,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,028 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:00,055 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:00,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,058 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,058 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,058 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,067 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:00,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,068 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,074 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:00,092 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:00,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,103 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:00,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,107 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:00,126 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:50:00,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,129 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:50:00,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,130 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,130 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,132 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:00,140 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:00,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,143 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:00,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,144 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,144 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,145 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,145 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,147 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:50:00,160 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-12 16:50:00,160 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,160 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,161 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,172 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-12 16:50:00,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,173 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,173 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,174 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,177 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,186 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:00,196 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 16:50:00,197 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,197 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,237 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 16:50:00,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,240 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,240 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,247 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,263 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:00,283 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:50:00,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,283 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,297 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:50:00,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,302 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:00,305 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:50:00,306 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69d8d027 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:50:00, skipping insertion in model container [2024-09-12 16:50:00,306 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:50:00,307 INFO L158 Benchmark]: Toolchain (without parser) took 1400.92ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 53.4MB in the end (delta: -198.9kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,308 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:00,308 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:00,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.07ms. Allocated memory is still 88.1MB. Free memory was 53.0MB in the beginning and 61.0MB in the end (delta: -8.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,309 INFO L158 Benchmark]: Boogie Preprocessor took 50.84ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 58.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,310 INFO L158 Benchmark]: RCFGBuilder took 540.81ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 41.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,310 INFO L158 Benchmark]: Referee took 451.97ms. Allocated memory is still 88.1MB. Free memory was 41.8MB in the beginning and 53.4MB in the end (delta: -11.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 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 check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from 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 loop head at line 38. 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 main to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.07ms. Allocated memory is still 88.1MB. Free memory was 53.0MB in the beginning and 61.0MB in the end (delta: -8.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.84ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 58.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.81ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 41.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 451.97ms. Allocated memory is still 88.1MB. Free memory was 41.8MB in the beginning and 53.4MB in the end (delta: -11.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:50:00,380 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE