./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 fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:47:18,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:18,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:47:18,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:18,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:18,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:18,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:18,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:18,207 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:18,207 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:18,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:18,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:18,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:18,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:18,208 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:18,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:18,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:18,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:18,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:47:18,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:18,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:18,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:18,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:18,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:18,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:18,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:18,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:18,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:18,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:18,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:18,217 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:18,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:18,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:18,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:18,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:18,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:18,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:18,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:47:18,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:47:18,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:18,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:18,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:18,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:18,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:18,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:18,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:18,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:18,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:18,425 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:18,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-25 11:47:19,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:19,759 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:19,759 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-25 11:47:19,764 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/517ce29a9/f43c87c39ac7483c98808e8bade8263b/FLAGc278e07c3 [2024-09-25 11:47:20,182 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/517ce29a9/f43c87c39ac7483c98808e8bade8263b [2024-09-25 11:47:20,186 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:20,186 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:20,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-25 11:47:20,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:20,223 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:20,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:20,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:20,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:20,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:20" (1/2) ... [2024-09-25 11:47:20,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252a9669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:20" (1/2) ... [2024-09-25 11:47:20,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cf51545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:20" (2/2) ... [2024-09-25 11:47:20,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252a9669 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:20" (2/2) ... [2024-09-25 11:47:20,239 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:20,240 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && (A == 1)) && (B == 1)) && (q == 1))) [2024-09-25 11:47:20,240 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && (A <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) [2024-09-25 11:47:20,240 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:47:20,240 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (cond != 0) [2024-09-25 11:47:20,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:20,371 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-09-25 11:47:20,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:20,386 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:20,428 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-25 11:47:20,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:20,448 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:20,448 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20 WrapperNode [2024-09-25 11:47:20,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:20,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:20,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:20,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:20,458 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,458 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,468 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,478 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 [2024-09-25 11:47:20,479 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,479 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,483 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,489 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,490 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,490 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:20,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:20,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:20,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:20,493 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 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:20,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:20,515 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) [2024-09-25 11:47:20,516 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 [2024-09-25 11:47:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:20,601 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:20,602 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:20,761 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:20,769 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:20,795 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:20,796 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:20,796 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:20 BoogieIcfgContainer [2024-09-25 11:47:20,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:20,796 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:20,796 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:20,797 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:20,797 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:20" (1/4) ... [2024-09-25 11:47:20,799 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e36b771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,799 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:20" (2/4) ... [2024-09-25 11:47:20,799 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e36b771 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,799 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 25.09 11:47:20" (3/4) ... [2024-09-25 11:47:20,799 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e36b771 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,799 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:20" (4/4) ... [2024-09-25 11:47:20,800 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-25 11:47:20,804 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:20,805 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:20,805 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:20,805 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:47:20,805 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:47:20,806 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:20,806 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:20,806 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:47:20,806 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:20,807 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:47:20,807 INFO L131 InvariantChecker]: Will check 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, 3 loop-free subgraphs from procedure entry to error location [2024-09-25 11:47:20,854 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:20,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,856 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,856 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,867 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:20,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,868 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:20,885 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:20,904 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:20,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,910 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:20,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,910 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,910 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,911 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:24,917 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:24,933 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:24,933 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:24,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:24,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:24,934 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:24,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:24,940 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:24,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:24,940 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:24,940 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:24,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:24,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:24,953 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:24,962 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:24,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:24,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:24,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:24,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:24,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:24,965 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:24,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:24,966 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:24,966 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:24,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:24,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:24,972 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:24,980 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:24,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:24,980 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:24,980 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:24,980 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:24,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:24,982 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:24,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:24,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:24,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:24,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:24,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:24,984 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:24,992 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:24,993 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:24,993 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:24,993 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:24,993 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:24,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:24,994 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:24,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:24,994 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:24,994 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:24,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:24,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:24,996 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:25,002 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-25 11:47:25,006 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,006 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,006 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,006 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,016 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-25 11:47:25,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,017 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,017 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,017 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,025 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:25,034 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:47:25,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,035 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,035 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,060 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:47:25,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,061 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,079 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:25,091 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:25,091 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,092 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,092 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,101 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:25,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,101 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,106 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:25,110 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:47:25,110 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e36b771 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:25, skipping insertion in model container [2024-09-25 11:47:25,110 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:25,112 INFO L158 Benchmark]: Toolchain (without parser) took 4887.71ms. Allocated memory is still 167.8MB. Free memory was 95.1MB in the beginning and 66.5MB in the end (delta: 28.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,112 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 125.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:25,113 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 167.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:25,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.94ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 135.9MB in the end (delta: -41.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,115 INFO L158 Benchmark]: Boogie Preprocessor took 42.32ms. Allocated memory is still 167.8MB. Free memory was 135.9MB in the beginning and 133.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,115 INFO L158 Benchmark]: RCFGBuilder took 303.77ms. Allocated memory is still 167.8MB. Free memory was 133.9MB in the beginning and 119.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,115 INFO L158 Benchmark]: Referee took 4313.85ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 66.5MB in the end (delta: 52.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,118 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 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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 34 to loop head 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 0.15ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 125.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 167.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.94ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 135.9MB in the end (delta: -41.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.32ms. Allocated memory is still 167.8MB. Free memory was 135.9MB in the beginning and 133.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.77ms. Allocated memory is still 167.8MB. Free memory was 133.9MB in the beginning and 119.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4313.85ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 66.5MB in the end (delta: 52.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:47:25,138 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/11.0.12-open/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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:47:26,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:26,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:47:26,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:26,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:26,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:26,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:26,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:26,913 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:26,914 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:26,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:26,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:26,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:26,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:26,918 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:26,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:26,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:26,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:26,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:26,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:26,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:26,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:26,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:26,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:47:26,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:47:26,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:26,920 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:47:26,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:26,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:26,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:26,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:26,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:26,921 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:26,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:26,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:26,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:26,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:26,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:26,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:26,923 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:47:26,923 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:47:26,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:26,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:26,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:26,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:26,927 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:47:26,927 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:27,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:27,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:27,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:27,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:27,168 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:27,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-25 11:47:28,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:28,560 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:28,561 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-25 11:47:28,567 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6cb689198/dfbcfcb89b524892a299dff5fda01376/FLAGa32a73f11 [2024-09-25 11:47:28,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6cb689198/dfbcfcb89b524892a299dff5fda01376 [2024-09-25 11:47:28,970 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:28,970 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:28,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-25 11:47:29,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:29,011 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:29,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:29,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:29,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:29,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:28" (1/2) ... [2024-09-25 11:47:29,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3d683c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:28" (1/2) ... [2024-09-25 11:47:29,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fadac1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:29" (2/2) ... [2024-09-25 11:47:29,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3d683c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:29" (2/2) ... [2024-09-25 11:47:29,030 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:29,030 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((((((b == 1) && (A == r)) && (A <= 1)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) [2024-09-25 11:47:29,030 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((((b == 1) && (A == r)) && (q == 0)) && (B == 1)) || (((((((A == r) && (A <= 1)) && (b <= 2147483647)) && (1 <= (b / 2))) && (1 <= r)) && (q == 0)) && (B == 1))) || (((((b == 1) && (A == ((long long) r + 1))) && (A == 1)) && (B == 1)) && (q == 1))) [2024-09-25 11:47:29,030 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:47:29,030 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (cond != 0) [2024-09-25 11:47:29,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:29,171 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-09-25 11:47:29,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:29,198 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:29,228 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] Start Parsing Local Start Parsing Local [2024-09-25 11:47:29,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:29,261 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:29,262 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:29 WrapperNode [2024-09-25 11:47:29,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:29,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:29,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:29,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:29,273 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,273 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,281 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,294 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 [2024-09-25 11:47:29,294 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,294 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,302 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,305 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,310 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,311 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:29,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:29,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:29,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:29,316 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 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:29,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:29,340 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) [2024-09-25 11:47:29,346 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 [2024-09-25 11:47:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:47:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:47:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:47:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:47:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:47:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:29,440 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:29,442 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:29,669 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:29,679 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:29,702 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:29,704 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:29,704 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:29 BoogieIcfgContainer [2024-09-25 11:47:29,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:29,704 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:29,704 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:29,705 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:29,706 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:28" (1/4) ... [2024-09-25 11:47:29,707 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@80453ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,707 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:29" (2/4) ... [2024-09-25 11:47:29,707 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@80453ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,707 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 25.09 11:47:29" (3/4) ... [2024-09-25 11:47:29,708 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@80453ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,708 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:29" (4/4) ... [2024-09-25 11:47:29,709 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-25 11:47:29,712 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:29,713 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:29,713 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:29,713 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:47:29,713 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:47:29,714 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:29,714 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:29,714 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:47:29,714 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:29,715 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:47:29,715 INFO L131 InvariantChecker]: Will check 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, 3 loop-free subgraphs from loop head to loop head [2024-09-25 11:47:29,752 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:29,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:29,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:29,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:29,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:29,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,761 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:29,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:29,762 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:29,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:29,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:29,777 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:29,793 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:29,793 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:29,793 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:29,793 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:29,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:29,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,799 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:29,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:29,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:29,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:29,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:29,821 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:29,845 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:29,845 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:29,845 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:29,845 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:29,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:29,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,855 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:29,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,856 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:29,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:29,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:29,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:29,858 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:29,876 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:29,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:29,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:29,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:29,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:29,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,880 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:29,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:29,884 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:29,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:29,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:29,886 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:29,902 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:29,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:29,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:29,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:29,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:29,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,904 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:29,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:29,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:29,904 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:29,904 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:29,911 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:29,917 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:29,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:29,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:29,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:29,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:29,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,919 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:29,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:29,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:29,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:29,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:29,920 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:29,930 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-25 11:47:29,930 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:29,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:29,931 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:29,931 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:29,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,939 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-25 11:47:29,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,942 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:29,942 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:29,942 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:29,943 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:29,946 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:29,953 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:47:29,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:29,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:29,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:29,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:29,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,988 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:47:29,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:29,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:29,989 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:29,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:29,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,004 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:30,011 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:30,014 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,014 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,014 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,014 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,023 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:30,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,026 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,028 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:47:30,029 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@80453ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,029 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:30,031 INFO L158 Benchmark]: Toolchain (without parser) took 1019.04ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 62.5MB in the end (delta: 3.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,032 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:30,033 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 94.4MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:30,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.58ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 51.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,033 INFO L158 Benchmark]: Boogie Preprocessor took 50.76ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 49.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,034 INFO L158 Benchmark]: RCFGBuilder took 389.43ms. Allocated memory is still 94.4MB. Free memory was 49.2MB in the beginning and 68.6MB in the end (delta: -19.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,035 INFO L158 Benchmark]: Referee took 325.21ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 62.5MB in the end (delta: 6.1MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,037 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main 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 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 38 to check that procedure precondition always holds at line 38. 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 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 94.4MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.58ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 51.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.76ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 49.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.43ms. Allocated memory is still 94.4MB. Free memory was 49.2MB in the beginning and 68.6MB in the end (delta: -19.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Referee took 325.21ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 62.5MB in the end (delta: 6.1MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:47:30,061 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