./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 f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:27:08,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:08,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:27:08,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:08,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:08,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:08,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:08,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:08,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:08,932 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:08,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:08,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:08,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:08,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:08,935 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:08,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:08,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:08,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:08,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:27:08,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:08,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:08,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:08,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:08,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:08,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:08,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:08,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:08,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:08,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:08,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:08,942 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:08,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:08,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:08,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:08,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:08,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:08,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:08,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:27:08,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:27:08,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:08,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:08,945 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:08,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:08,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:09,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:09,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:09,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:09,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:09,204 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:09,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-20 13:27:10,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:10,565 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:10,566 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-20 13:27:10,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a8dfa3ff8/9ca1db008c334b0eabbba6a703d42346/FLAGa2da3d327 [2024-09-20 13:27:10,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a8dfa3ff8/9ca1db008c334b0eabbba6a703d42346 [2024-09-20 13:27:10,982 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:10,983 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:10,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-20 13:27:11,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:11,025 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:11,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:11,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:11,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:11,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:10" (1/2) ... [2024-09-20 13:27:11,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281b5a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:10" (1/2) ... [2024-09-20 13:27:11,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3eeeaf53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:11" (2/2) ... [2024-09-20 13:27:11,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281b5a26 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:11" (2/2) ... [2024-09-20 13:27:11,042 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:11,042 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))) [2024-09-20 13:27:11,043 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))) [2024-09-20 13:27:11,043 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:11,043 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:27:11,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:11,178 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] [2024-09-20 13:27:11,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:11,198 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:27:11,223 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 [2024-09-20 13:27:11,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:11,243 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:11,243 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:11 WrapperNode [2024-09-20 13:27:11,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:11,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:11,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:11,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:11,253 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,253 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,258 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,268 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 [2024-09-20 13:27:11,268 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,268 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,271 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,276 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,277 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,277 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:11,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:11,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:11,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:11,281 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 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:11,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:11,306 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) [2024-09-20 13:27:11,310 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 [2024-09-20 13:27:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 13:27:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 13:27:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:27:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:27:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:27:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:27:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:11,448 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:11,452 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:11,626 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:11,640 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:11,656 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:11,656 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:27:11,657 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:11 BoogieIcfgContainer [2024-09-20 13:27:11,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:11,657 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:11,657 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:11,658 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:11,658 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:10" (1/4) ... [2024-09-20 13:27:11,658 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fe3205b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,658 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:11" (2/4) ... [2024-09-20 13:27:11,658 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fe3205b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,658 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 20.09 01:27:11" (3/4) ... [2024-09-20 13:27:11,658 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fe3205b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,659 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:11" (4/4) ... [2024-09-20 13:27:11,660 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-20 13:27:11,662 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:27:11,662 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:11,663 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:11,663 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:11,663 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:11,663 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:11,663 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:11,664 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 13:27:11,664 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:11,664 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:27:11,664 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-20 13:27:11,705 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:27:11,706 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:11,706 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:11,706 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:11,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:11,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,715 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:27:11,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,716 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:11,716 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:11,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:11,719 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:11,729 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:11,748 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:11,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:11,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:11,749 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:11,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:11,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,757 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:11,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:11,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:11,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:11,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,770 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:15,790 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:15,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,797 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:15,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,797 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,797 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,797 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,805 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:15,818 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:15,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,823 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:15,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,827 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:15,837 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:15,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,842 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:15,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,842 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,842 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,842 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,842 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,846 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:15,857 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:15,857 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,858 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,858 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,860 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:15,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,862 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:15,874 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-20 13:27:15,874 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,875 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,875 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,875 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,886 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-20 13:27:15,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,887 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,890 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,893 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:15,904 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:27:15,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,935 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:27:15,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,937 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,943 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,968 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:15,981 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:27:15,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,982 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,993 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:27:15,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,993 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,994 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,996 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,998 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:16,001 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:27:16,002 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7fe3205b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:16, skipping insertion in model container [2024-09-20 13:27:16,002 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:16,004 INFO L158 Benchmark]: Toolchain (without parser) took 4977.52ms. Allocated memory is still 146.8MB. Free memory was 104.9MB in the beginning and 54.7MB in the end (delta: 50.1MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:16,004 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:16,005 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 146.8MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:16,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.68ms. Allocated memory is still 146.8MB. Free memory was 104.9MB in the beginning and 90.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:16,005 INFO L158 Benchmark]: Boogie Preprocessor took 35.90ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:16,006 INFO L158 Benchmark]: RCFGBuilder took 376.16ms. Allocated memory is still 146.8MB. Free memory was 88.6MB in the beginning and 107.2MB in the end (delta: -18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 13:27:16,006 INFO L158 Benchmark]: Referee took 4344.92ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 54.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-20 13:27:16,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure main 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. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from 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 0.13ms. Allocated memory is still 100.7MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 146.8MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.68ms. Allocated memory is still 146.8MB. Free memory was 104.9MB in the beginning and 90.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.90ms. Allocated memory is still 146.8MB. Free memory was 90.7MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.16ms. Allocated memory is still 146.8MB. Free memory was 88.6MB in the beginning and 107.2MB in the end (delta: -18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 4344.92ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 54.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:27:16,029 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/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-f1d7dc9-m [2024-09-20 13:27:17,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:17,795 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:27:17,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:17,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:17,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:17,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:17,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:17,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:17,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:17,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:17,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:17,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:17,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:17,835 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:17,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:17,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:17,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:17,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:17,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:17,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:17,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:17,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:17,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:27:17,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:27:17,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:17,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:27:17,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:17,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:17,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:17,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:17,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:17,841 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:17,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:17,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:17,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:17,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:17,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:17,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:17,842 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:27:17,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:27:17,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:17,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:17,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:17,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:17,843 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:27:17,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:18,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:18,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:18,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:18,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:18,095 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:18,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-20 13:27:19,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:19,505 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:19,505 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-09-20 13:27:19,510 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ee10bfc0c/5aa7be6cc1e64d6e94f43ee8953828f1/FLAG308b54f49 [2024-09-20 13:27:19,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ee10bfc0c/5aa7be6cc1e64d6e94f43ee8953828f1 [2024-09-20 13:27:19,896 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:19,896 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:19,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_valuebound1.yml/witness-2.1.yml [2024-09-20 13:27:19,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:19,940 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:19,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:19,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:19,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:19,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:19" (1/2) ... [2024-09-20 13:27:19,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42659b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:19, skipping insertion in model container [2024-09-20 13:27:19,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:19" (1/2) ... [2024-09-20 13:27:19,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@280b50a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:19, skipping insertion in model container [2024-09-20 13:27:19,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:19" (2/2) ... [2024-09-20 13:27:19,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42659b64 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:19, skipping insertion in model container [2024-09-20 13:27:19,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:19" (2/2) ... [2024-09-20 13:27:19,957 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:19,957 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))) [2024-09-20 13:27:19,957 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))) [2024-09-20 13:27:19,958 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:27:19,958 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:19,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:20,083 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] [2024-09-20 13:27:20,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:20,104 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:27:20,131 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 [2024-09-20 13:27:20,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:20,162 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:20,163 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:20 WrapperNode [2024-09-20 13:27:20,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:20,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:20,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:20,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:20,173 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,174 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,181 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,192 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 [2024-09-20 13:27:20,196 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,196 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,204 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,211 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,213 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,214 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:20,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:20,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:20,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:20,220 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 20.09 01:27:20" (1/1) ... [2024-09-20 13:27:20,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:20,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:20,246 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) [2024-09-20 13:27:20,249 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 [2024-09-20 13:27:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 13:27:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 13:27:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:27:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:27:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:27:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:27:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:20,364 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:20,366 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:20,574 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:20,584 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:20,605 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:20,607 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:27:20,607 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:20 BoogieIcfgContainer [2024-09-20 13:27:20,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:20,608 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:20,608 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:20,609 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:20,609 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:19" (1/4) ... [2024-09-20 13:27:20,609 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73034679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:20, skipping insertion in model container [2024-09-20 13:27:20,609 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:19" (2/4) ... [2024-09-20 13:27:20,610 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73034679 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:20, skipping insertion in model container [2024-09-20 13:27:20,610 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 20.09 01:27:20" (3/4) ... [2024-09-20 13:27:20,610 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73034679 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:20, skipping insertion in model container [2024-09-20 13:27:20,610 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:20" (4/4) ... [2024-09-20 13:27:20,611 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_valuebound1.i [2024-09-20 13:27:20,614 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:27:20,615 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:20,615 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:20,615 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:20,615 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:20,615 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:20,615 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:20,615 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 13:27:20,615 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:20,616 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:27:20,616 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-20 13:27:20,661 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:27:20,662 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,662 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,663 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,664 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,673 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:27:20,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,674 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,691 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:20,706 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:20,707 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,707 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,712 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:20,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,730 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:20,750 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:20,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,764 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:20,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,765 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,768 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:20,785 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:20,785 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,792 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:20,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,795 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,795 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,795 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,795 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,799 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:20,813 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:20,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,814 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,814 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,824 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:20,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,825 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,825 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,827 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:20,838 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:20,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,840 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:20,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,841 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,841 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,841 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,842 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:20,851 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-20 13:27:20,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,852 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,852 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,860 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-20 13:27:20,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,865 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:20,874 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:27:20,875 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,876 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,876 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,898 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:27:20,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,899 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,899 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,903 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,913 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:20,920 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:27:20,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:20,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:20,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:20,921 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:20,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,926 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:27:20,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:20,929 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:20,929 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:20,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:20,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,930 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:20,933 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:27:20,933 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73034679 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:20, skipping insertion in model container [2024-09-20 13:27:20,933 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:20,935 INFO L158 Benchmark]: Toolchain (without parser) took 994.67ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.7MB in the beginning and 43.6MB in the end (delta: 4.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,935 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:20,935 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 71.3MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:20,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.41ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 33.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,936 INFO L158 Benchmark]: Boogie Preprocessor took 55.26ms. Allocated memory is still 71.3MB. Free memory was 33.1MB in the beginning and 30.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,936 INFO L158 Benchmark]: RCFGBuilder took 387.95ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 30.7MB in the beginning and 59.4MB in the end (delta: -28.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,937 INFO L158 Benchmark]: Referee took 325.74ms. Allocated memory is still 90.2MB. Free memory was 59.4MB in the beginning and 43.6MB in the end (delta: 15.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 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 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. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 71.3MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.41ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 33.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.26ms. Allocated memory is still 71.3MB. Free memory was 33.1MB in the beginning and 30.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.95ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 30.7MB in the beginning and 59.4MB in the end (delta: -28.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Referee took 325.74ms. Allocated memory is still 90.2MB. Free memory was 59.4MB in the beginning and 43.6MB in the end (delta: 15.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:27:20,961 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