./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 6908dde5 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-6908dde-m [2024-09-25 00:28:42,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:42,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:42,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:42,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:42,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:42,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:42,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:42,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:42,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:42,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:42,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:42,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:42,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:42,974 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:42,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:42,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:42,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:42,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:42,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:42,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:42,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:42,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:42,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:42,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:42,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:42,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:42,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:42,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:42,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:42,980 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:42,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:42,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:42,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:42,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:42,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:42,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:42,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:42,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:42,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:42,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:42,984 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:42,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:42,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:43,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:43,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:43,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:43,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:43,284 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:43,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-25 00:28:44,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:44,975 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:44,976 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-25 00:28:44,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/528ed3d86/b6e6840c004b4c23896216d0123c1424/FLAG309cd09ec [2024-09-25 00:28:44,997 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/528ed3d86/b6e6840c004b4c23896216d0123c1424 [2024-09-25 00:28:44,999 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:45,001 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:45,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-25 00:28:45,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:45,063 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:45,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:45,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:45,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:45,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:44" (1/2) ... [2024-09-25 00:28:45,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20902e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:44" (1/2) ... [2024-09-25 00:28:45,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f8fcf52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,078 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 12:28:45" (2/2) ... [2024-09-25 00:28:45,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20902e0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,079 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 12:28:45" (2/2) ... [2024-09-25 00:28:45,091 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:45,092 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 00:28:45,092 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 00:28:45,092 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:45,092 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (cond != 0) [2024-09-25 00:28:45,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:45,317 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 00:28:45,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:45,354 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:28:45,401 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 00:28:45,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:45,435 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:45,436 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:45 WrapperNode [2024-09-25 00:28:45,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:45,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:45,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:45,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:45,451 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,452 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,463 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,485 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 00:28:45,485 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,485 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,493 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,500 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,501 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,502 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:45,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:45,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:45,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:45,513 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 12:28:45" (1/1) ... [2024-09-25 00:28:45,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:45,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:45,546 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 00:28:45,550 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 00:28:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:45,678 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:45,681 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:45,935 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:45,948 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:45,973 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:45,974 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:45,974 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:45 BoogieIcfgContainer [2024-09-25 00:28:45,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:45,975 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:45,975 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:45,976 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:45,976 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:44" (1/4) ... [2024-09-25 00:28:45,977 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42a0d27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,977 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 12:28:45" (2/4) ... [2024-09-25 00:28:45,977 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42a0d27d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,977 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 12:28:45" (3/4) ... [2024-09-25 00:28:45,978 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42a0d27d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,978 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 12:28:45" (4/4) ... [2024-09-25 00:28:45,982 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-25 00:28:45,990 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:45,991 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 00:28:45,991 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 00:28:45,991 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 00:28:45,991 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 00:28:45,992 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 00:28:45,992 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 00:28:45,992 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 00:28:45,995 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 00:28:45,996 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 00:28:45,996 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:28:46,048 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:28:46,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:46,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:46,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:46,050 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:46,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,060 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:28:46,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:46,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:46,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:46,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:46,084 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:46,123 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:46,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:46,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:46,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:46,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:46,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,134 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:46,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:46,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:46,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:46,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,139 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:50,170 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:50,170 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,182 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:50,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,184 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,191 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:50,209 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:50,210 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,210 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,210 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,218 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:50,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,219 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,228 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:50,245 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:50,245 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,245 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,246 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,246 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,249 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:50,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,250 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,253 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:50,267 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:50,267 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,268 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,268 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,268 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,270 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:50,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,270 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,270 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,270 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,271 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,273 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:50,294 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-25 00:28:50,294 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,314 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-25 00:28:50,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,318 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,324 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:50,341 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:28:50,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,342 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,342 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,392 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:28:50,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,394 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,435 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:50,447 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:50,450 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,451 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,452 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,452 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,465 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:50,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,466 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,467 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,467 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,470 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,472 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:50,476 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:28:50,477 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42a0d27d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:50, skipping insertion in model container [2024-09-25 00:28:50,477 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:50,480 INFO L158 Benchmark]: Toolchain (without parser) took 5414.94ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 58.3MB in the beginning and 133.4MB in the end (delta: -75.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-09-25 00:28:50,481 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:50,481 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:50,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.57ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 58.1MB in the beginning and 139.8MB in the end (delta: -81.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-09-25 00:28:50,482 INFO L158 Benchmark]: Boogie Preprocessor took 71.99ms. Allocated memory is still 174.1MB. Free memory was 139.0MB in the beginning and 137.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:50,483 INFO L158 Benchmark]: RCFGBuilder took 464.55ms. Allocated memory is still 174.1MB. Free memory was 136.9MB in the beginning and 122.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:50,485 INFO L158 Benchmark]: Referee took 4502.45ms. Allocated memory is still 174.1MB. Free memory was 122.2MB in the beginning and 133.4MB in the end (delta: -11.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-09-25 00:28:50,487 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 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. 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 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.57ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 58.1MB in the beginning and 139.8MB in the end (delta: -81.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.99ms. Allocated memory is still 174.1MB. Free memory was 139.0MB in the beginning and 137.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.55ms. Allocated memory is still 174.1MB. Free memory was 136.9MB in the beginning and 122.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4502.45ms. Allocated memory is still 174.1MB. Free memory was 122.2MB in the beginning and 133.4MB in the end (delta: -11.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:28:50,514 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/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-6908dde-m [2024-09-25 00:28:52,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:52,835 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:28:52,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:52,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:52,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:52,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:52,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:52,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:52,880 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:52,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:52,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:52,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:52,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:52,887 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:52,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:52,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:52,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:52,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:52,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:52,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:52,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:52,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:52,892 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:28:52,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:28:52,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:52,893 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:28:52,894 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:52,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:52,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:52,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:52,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:52,898 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:52,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:52,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:52,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:52,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:52,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:52,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:52,914 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:28:52,914 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:28:52,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:52,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:52,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:52,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:52,916 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:28:52,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:53,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:53,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:53,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:53,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:53,279 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:53,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-25 00:28:54,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:55,129 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:55,130 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-25 00:28:55,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/62dffc047/7477eb7d6fe246169012b59dbc3e1053/FLAG422d5d835 [2024-09-25 00:28:55,153 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/62dffc047/7477eb7d6fe246169012b59dbc3e1053 [2024-09-25 00:28:55,156 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:55,157 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:55,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-25 00:28:55,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:55,228 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:55,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:55,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:55,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:55,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:55" (1/2) ... [2024-09-25 00:28:55,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364ffb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:55, skipping insertion in model container [2024-09-25 00:28:55,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:55" (1/2) ... [2024-09-25 00:28:55,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a1dd1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:55, skipping insertion in model container [2024-09-25 00:28:55,239 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 12:28:55" (2/2) ... [2024-09-25 00:28:55,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364ffb39 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:55, skipping insertion in model container [2024-09-25 00:28:55,240 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 12:28:55" (2/2) ... [2024-09-25 00:28:55,256 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:55,257 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 00:28:55,257 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 00:28:55,257 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:55,257 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (cond != 0) [2024-09-25 00:28:55,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:55,477 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 00:28:55,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:55,522 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:28:55,562 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 00:28:55,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:55,605 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:55,606 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:55 WrapperNode [2024-09-25 00:28:55,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:55,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:55,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:55,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:55,621 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,622 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,642 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,658 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 00:28:55,658 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,658 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,667 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,674 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,676 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,679 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:55,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:55,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:55,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:55,684 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 12:28:55" (1/1) ... [2024-09-25 00:28:55,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:55,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:55,718 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 00:28:55,722 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 00:28:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:28:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:55,852 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:55,854 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:56,136 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:56,158 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:56,187 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:56,188 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:56,189 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:56 BoogieIcfgContainer [2024-09-25 00:28:56,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:56,189 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:56,189 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:56,190 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:56,191 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:55" (1/4) ... [2024-09-25 00:28:56,191 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1115e266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,191 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 12:28:55" (2/4) ... [2024-09-25 00:28:56,191 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1115e266 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,191 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 12:28:55" (3/4) ... [2024-09-25 00:28:56,192 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1115e266 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,192 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 12:28:56" (4/4) ... [2024-09-25 00:28:56,193 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-25 00:28:56,197 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:56,198 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 00:28:56,198 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 00:28:56,198 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 00:28:56,198 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 00:28:56,198 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 00:28:56,198 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 00:28:56,199 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 00:28:56,199 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 00:28:56,199 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 00:28:56,199 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:28:56,261 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:28:56,262 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,262 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,283 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:28:56,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,284 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,293 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,327 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:56,363 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:56,363 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,363 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,363 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,384 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:56,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,385 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,385 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,385 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,415 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:56,449 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:56,449 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,449 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,449 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,449 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,462 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:56,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,465 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,471 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:56,498 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:56,498 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,499 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,499 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,508 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:56,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,509 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,514 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:56,526 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:56,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,529 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:56,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,530 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,532 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:56,543 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:56,543 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,543 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,544 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,544 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,545 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:56,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,545 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,546 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,546 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,547 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:56,558 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-25 00:28:56,558 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,558 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,559 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,559 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,579 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-25 00:28:56,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,580 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,583 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,587 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:56,600 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:28:56,600 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,601 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,629 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:28:56,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,630 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,637 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,654 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:56,668 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:56,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:56,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:56,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:56,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:56,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,680 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:56,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:56,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:56,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:56,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:56,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:56,683 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:56,686 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:28:56,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1115e266 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,687 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:56,689 INFO L158 Benchmark]: Toolchain (without parser) took 1460.05ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 46.4MB in the beginning and 40.4MB in the end (delta: 5.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-09-25 00:28:56,690 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 48.2MB. Free memory was 23.1MB in the beginning and 23.0MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:56,690 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 67.1MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:56,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.99ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 31.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:56,691 INFO L158 Benchmark]: Boogie Preprocessor took 74.84ms. Allocated memory is still 67.1MB. Free memory was 31.9MB in the beginning and 45.8MB in the end (delta: -13.9MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:56,691 INFO L158 Benchmark]: RCFGBuilder took 505.45ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 30.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:56,692 INFO L158 Benchmark]: Referee took 497.96ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 40.4MB in the end (delta: -9.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-09-25 00:28:56,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 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 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 39. 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 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 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 entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 48.2MB. Free memory was 23.1MB in the beginning and 23.0MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 67.1MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.99ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 31.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.84ms. Allocated memory is still 67.1MB. Free memory was 31.9MB in the beginning and 45.8MB in the end (delta: -13.9MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * RCFGBuilder took 505.45ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 30.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 497.96ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 40.4MB in the end (delta: -9.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:28:56,728 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