./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_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/divbin_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:57,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:57,506 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:57,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:57,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:57,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:57,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:57,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:57,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:57,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:57,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:57,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:57,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:57,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:57,554 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:57,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:57,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:57,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:57,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:57,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:57,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:57,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:57,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:57,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:57,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:57,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:57,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:57,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:57,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:57,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:57,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:57,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:57,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:57,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:57,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:57,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:57,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:57,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:57,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:57,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:57,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:57,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:57,562 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:57,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:57,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:57,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:57,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:57,883 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:57,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-09-11 20:48:59,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:59,538 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:59,538 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-09-11 20:48:59,546 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/45621d1ba/b8e03ee29827497ab63d83b121a4d364/FLAGff2ce40e0 [2024-09-11 20:48:59,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/45621d1ba/b8e03ee29827497ab63d83b121a4d364 [2024-09-11 20:48:59,914 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:59,915 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:59,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml [2024-09-11 20:48:59,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:59,975 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:59,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:59,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:59,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:59,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:59" (1/2) ... [2024-09-11 20:48:59,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c45a1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:59, skipping insertion in model container [2024-09-11 20:48:59,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:59" (1/2) ... [2024-09-11 20:48:59,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@248304b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:59, skipping insertion in model container [2024-09-11 20:48:59,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:59" (2/2) ... [2024-09-11 20:48:59,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c45a1b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:59, skipping insertion in model container [2024-09-11 20:48:59,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:59" (2/2) ... [2024-09-11 20:48:59,999 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:59,999 INFO L1541 ArrayList]: Loop invariant at [L37-L40] (((((A % 4294967296) <= 1) && ((B % 4294967296) == 1)) && (q == 0)) && ((r % 4294967296) == (A % 4294967296))) [2024-09-11 20:49:00,001 INFO L1541 ArrayList]: Loop invariant at [L41-L50] ((((((((A % 4294967296) <= 1) && ((B % 4294967296) == 1)) && (q == 0)) && (((long long) (r % 4294967296) + 1) <= (b % 4294967296))) && ((r % 4294967296) == (A % 4294967296))) || (((((((A % 4294967296) <= 1) && ((B % 4294967296) == 1)) && (1 <= b)) && ((A % 4294967296) == ((b + r) % 4294967296))) && (q == 1)) && (b <= ((b + r) % 4294967296)))) || (((((B / 4294967296) <= (b / 4294967296)) && (((A / 4294967296) + (b / 4294967296)) <= ((r / 4294967296) + (B / 4294967296)))) && ((((B / 4294967296) * 4294967296) + b) == (B + ((b / 4294967296) * 4294967296)))) && ((A % 4294967296) == ((r + ((unsigned long long) b * q)) % 4294967296)))) [2024-09-11 20:49:00,001 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:00,001 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:00,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:00,187 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/divbin_valuebound1.i[950,963] [2024-09-11 20:49:00,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:00,212 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:00,246 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/divbin_valuebound1.i[950,963] Start Parsing Local Start Parsing Local [2024-09-11 20:49:00,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:00,284 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:00,285 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00 WrapperNode [2024-09-11 20:49:00,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:00,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:00,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:00,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:00,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,319 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,339 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:49:00,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:00,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:00,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:00,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:00,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (1/1) ... [2024-09-11 20:49:00,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:00,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:00,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:49:00,423 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:49:00,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:00,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:49:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:49:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:49:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:00,549 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:00,552 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:00,861 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:00,902 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:00,903 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:00,923 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:00,923 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:49:00,924 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:00 BoogieIcfgContainer [2024-09-11 20:49:00,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:00,925 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:00,925 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:00,925 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:00,926 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:59" (1/4) ... [2024-09-11 20:49:00,926 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@259db218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:00, skipping insertion in model container [2024-09-11 20:49:00,926 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:59" (2/4) ... [2024-09-11 20:49:00,926 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@259db218 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:00, skipping insertion in model container [2024-09-11 20:49:00,926 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:00" (3/4) ... [2024-09-11 20:49:00,927 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@259db218 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:00, skipping insertion in model container [2024-09-11 20:49:00,927 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:00" (4/4) ... [2024-09-11 20:49:00,928 INFO L79 RefereeObserver]: Analyzing ICFG divbin_valuebound1.i [2024-09-11 20:49:00,932 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:49:00,933 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:00,933 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:00,933 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:00,933 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:49:00,934 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:00,934 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:00,934 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:00,934 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:00,934 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:00,935 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:49:01,000 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:01,001 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:01,003 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:01,004 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:01,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:01,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:01,027 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:01,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:01,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:01,029 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:01,029 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:01,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:01,060 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:01,088 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:01,088 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:01,089 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:01,089 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:01,089 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:01,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:01,110 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:01,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:01,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:01,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:01,113 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:01,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,131 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:05,163 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:49:05,165 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,165 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,165 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,299 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:49:05,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,302 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,302 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,344 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:05,368 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:05,369 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,369 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,386 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:05,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,387 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,387 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,395 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:05,408 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:05,409 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,419 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:05,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,420 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,421 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,421 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,421 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,423 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:05,435 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:05,436 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,436 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,436 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,436 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,440 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:05,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,441 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,442 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,442 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,442 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,445 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:05,460 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:05,461 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,462 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,462 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,462 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,465 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:05,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,466 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,467 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,467 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,468 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,469 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:05,479 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:05,480 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,480 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,480 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,480 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,482 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:05,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,483 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,485 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:05,497 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:05,498 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,498 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,498 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,514 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:05,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,515 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,519 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,523 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:05,526 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:49:05,527 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@259db218 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:05, skipping insertion in model container [2024-09-11 20:49:05,527 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:05,529 INFO L158 Benchmark]: Toolchain (without parser) took 5553.03ms. Allocated memory is still 172.0MB. Free memory was 113.3MB in the beginning and 90.6MB in the end (delta: 22.7MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:05,530 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 172.0MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:05,531 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:05,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.98ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 98.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:05,532 INFO L158 Benchmark]: Boogie Preprocessor took 91.96ms. Allocated memory is still 172.0MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:05,533 INFO L158 Benchmark]: RCFGBuilder took 545.23ms. Allocated memory is still 172.0MB. Free memory was 96.6MB in the beginning and 70.5MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-11 20:49:05,534 INFO L158 Benchmark]: Referee took 4602.86ms. Allocated memory is still 172.0MB. Free memory was 70.5MB in the beginning and 90.6MB in the end (delta: -20.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:05,536 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 41 to check that procedure precondition always holds at line 42. 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 41 to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. 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 37 to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 172.0MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.98ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 98.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.96ms. Allocated memory is still 172.0MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.23ms. Allocated memory is still 172.0MB. Free memory was 96.6MB in the beginning and 70.5MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Referee took 4602.86ms. Allocated memory is still 172.0MB. Free memory was 70.5MB in the beginning and 90.6MB in the end (delta: -20.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:05,562 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 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/divbin_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:07,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:07,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:07,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:07,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:07,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:07,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:07,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:07,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:07,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:07,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:07,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:07,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:07,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:07,891 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:07,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:07,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:07,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:07,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:07,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:07,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:07,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:07,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:07,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:07,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:07,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:07,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:07,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:07,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:07,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:07,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:07,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:07,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:07,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:07,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:07,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:07,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:07,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:07,902 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:07,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:07,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:07,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:07,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:07,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:07,906 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:07,906 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:08,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:08,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:08,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:08,273 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:08,274 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:08,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:08,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:08,327 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:08,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-09-11 20:49:09,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:10,139 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:10,139 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-09-11 20:49:10,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6ead855c9/c0d255a4513d436facb0c78e2cdb28b2/FLAGc62f183dd [2024-09-11 20:49:10,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6ead855c9/c0d255a4513d436facb0c78e2cdb28b2 [2024-09-11 20:49:10,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:10,538 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:10,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:10,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:10,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:10,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:08" (1/2) ... [2024-09-11 20:49:10,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0e7700 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:08" (1/2) ... [2024-09-11 20:49:10,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ee0c58d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:10" (2/2) ... [2024-09-11 20:49:10,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0e7700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10, skipping insertion in model container [2024-09-11 20:49:10,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:10" (2/2) ... [2024-09-11 20:49:10,558 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:10,561 INFO L1541 ArrayList]: Loop invariant at [L41-L50] ((((((((A % 4294967296) <= 1) && ((B % 4294967296) == 1)) && (q == 0)) && (((long long) (r % 4294967296) + 1) <= (b % 4294967296))) && ((r % 4294967296) == (A % 4294967296))) || (((((((A % 4294967296) <= 1) && ((B % 4294967296) == 1)) && (1 <= b)) && ((A % 4294967296) == ((b + r) % 4294967296))) && (q == 1)) && (b <= ((b + r) % 4294967296)))) || (((((B / 4294967296) <= (b / 4294967296)) && (((A / 4294967296) + (b / 4294967296)) <= ((r / 4294967296) + (B / 4294967296)))) && ((((B / 4294967296) * 4294967296) + b) == (B + ((b / 4294967296) * 4294967296)))) && ((A % 4294967296) == ((r + ((unsigned long long) b * q)) % 4294967296)))) [2024-09-11 20:49:10,561 INFO L1541 ArrayList]: Loop invariant at [L37-L40] (((((A % 4294967296) <= 1) && ((B % 4294967296) == 1)) && (q == 0)) && ((r % 4294967296) == (A % 4294967296))) [2024-09-11 20:49:10,561 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:10,562 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:10,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:10,761 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/divbin_valuebound1.i[950,963] [2024-09-11 20:49:10,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:10,802 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:10,840 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/divbin_valuebound1.i[950,963] Start Parsing Local Start Parsing Local [2024-09-11 20:49:10,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:10,889 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:10,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10 WrapperNode [2024-09-11 20:49:10,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:10,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:10,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:10,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:10,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,917 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,934 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:49:10,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:10,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:10,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:10,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:10,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (1/1) ... [2024-09-11 20:49:10,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:10,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:10,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:49:11,004 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:49:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:49:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:49:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:49:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:11,147 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:11,149 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:11,406 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:11,469 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:11,469 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:11,500 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:11,501 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:49:11,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:11 BoogieIcfgContainer [2024-09-11 20:49:11,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:11,502 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:11,502 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:11,503 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:11,503 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:08" (1/4) ... [2024-09-11 20:49:11,505 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c2e00c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:11, skipping insertion in model container [2024-09-11 20:49:11,505 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:10" (2/4) ... [2024-09-11 20:49:11,506 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c2e00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:11, skipping insertion in model container [2024-09-11 20:49:11,506 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:10" (3/4) ... [2024-09-11 20:49:11,506 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c2e00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:11, skipping insertion in model container [2024-09-11 20:49:11,507 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:11" (4/4) ... [2024-09-11 20:49:11,509 INFO L79 RefereeObserver]: Analyzing ICFG divbin_valuebound1.i [2024-09-11 20:49:11,512 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:49:11,513 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:11,513 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:11,513 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:11,513 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:49:11,514 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:11,514 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:11,514 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:11,514 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:11,514 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:11,515 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 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 [2024-09-11 20:49:11,582 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:11,584 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,584 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,606 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:11,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,608 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:11,608 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:11,609 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:11,626 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,641 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:11,664 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:11,664 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,664 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,664 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,665 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,674 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:11,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:11,675 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:11,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:11,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,698 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:11,731 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:49:11,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,796 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:49:11,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:11,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:11,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:11,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,864 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:11,881 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:11,882 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,883 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,883 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,899 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:11,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:11,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:11,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:11,904 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,917 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:11,932 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:11,933 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,933 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,934 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,947 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:11,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:11,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:11,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:11,949 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,954 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:11,972 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:11,973 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,973 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,973 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,973 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,977 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:11,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:11,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:11,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:11,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:11,979 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,981 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:11,994 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:11,994 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:11,994 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:11,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:11,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:11,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,000 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:12,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,001 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,001 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,002 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,003 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:12,012 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:12,014 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,015 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,016 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:12,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,017 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,017 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,017 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,020 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:12,031 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:12,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,032 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,049 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:12,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,053 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:12,056 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:12,057 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c2e00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:12, skipping insertion in model container [2024-09-11 20:49:12,057 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:12,059 INFO L158 Benchmark]: Toolchain (without parser) took 1520.67ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 55.2MB in the beginning and 66.5MB in the end (delta: -11.4MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,060 INFO L158 Benchmark]: Witness Parser took 1.08ms. Allocated memory is still 52.4MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:12,061 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:12,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.68ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 40.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,062 INFO L158 Benchmark]: Boogie Preprocessor took 72.75ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 38.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,062 INFO L158 Benchmark]: RCFGBuilder took 536.49ms. Allocated memory is still 75.5MB. Free memory was 38.1MB in the beginning and 39.0MB in the end (delta: -928.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,063 INFO L158 Benchmark]: Referee took 555.60ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 39.0MB in the beginning and 66.5MB in the end (delta: -27.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:12,065 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 41 to check that procedure precondition always holds at line 42. 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 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 41 to loop head at line 41. 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 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 41. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.08ms. Allocated memory is still 52.4MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.68ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 40.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.75ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 38.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.49ms. Allocated memory is still 75.5MB. Free memory was 38.1MB in the beginning and 39.0MB in the end (delta: -928.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 555.60ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 39.0MB in the beginning and 66.5MB in the end (delta: -27.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:12,091 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN