./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i --full-output --witness-type correctness_witness --procedureinliner.inline.calls.to.implemented.procedures NEVER --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e378df2c 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/divbin_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:14,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:14,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:14,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:14,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:14,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:14,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:14,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:14,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:14,734 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:14,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:14,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:14,735 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:14,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:14,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:14,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:14,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:14,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:14,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:14,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:14,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:14,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:14,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:14,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:14,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:14,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:14,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:14,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:14,744 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:14,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:14,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:14,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:15,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:15,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:15,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:15,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:15,115 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:15,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-10-15 15:32:16,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:16,762 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:16,762 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-10-15 15:32:16,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d72efbb0f/e3ee4af88e394f37afe9f4c047c58671/FLAGaf34569fc [2024-10-15 15:32:17,154 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d72efbb0f/e3ee4af88e394f37afe9f4c047c58671 [2024-10-15 15:32:17,157 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:17,158 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:17,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml [2024-10-15 15:32:17,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:17,208 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:17,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:17,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:17,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:17,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:17" (1/2) ... [2024-10-15 15:32:17,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da64195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:17, skipping insertion in model container [2024-10-15 15:32:17,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:17" (1/2) ... [2024-10-15 15:32:17,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fc169d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:17, skipping insertion in model container [2024-10-15 15:32:17,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:17" (2/2) ... [2024-10-15 15:32:17,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da64195 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:17, skipping insertion in model container [2024-10-15 15:32:17,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:17" (2/2) ... [2024-10-15 15:32:17,229 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:17,229 INFO L1541 ArrayList]: Loop invariant at [L41-L50] ((((((((B == 1) && (b == 1)) && (r <= 0)) && (r == A)) && (q == 0)) || ((((0 <= 0) && (0 <= 0)) && (A == ((r + ((unsigned long long) b * q)) % 4294967296))) && (B == b))) || ((((((B == 1) && (r == A)) && (0 <= (2 * ((((b / 2) + ((long long) -1 * B)) >= 0) ? (((b / 2) + ((long long) -1 * B)) / 4294967296) : ((((b / 2) + ((long long) -1 * B)) / 4294967296) - 1))))) && (A <= 1)) && (b <= ((long long) B * 2))) && (q == 0))) || (((((B == 1) && (b == 1)) && (r <= 0)) && (A == (((long long) r + 1) % 4294967296))) && (q == 1))) [2024-10-15 15:32:17,231 INFO L1541 ArrayList]: Loop invariant at [L37-L40] (((((((B == 1) && (r == A)) && (0 <= (2 * ((((b / 2) + ((long long) -1 * B)) >= 0) ? (((b / 2) + ((long long) -1 * B)) / 4294967296) : ((((b / 2) + ((long long) -1 * B)) / 4294967296) - 1))))) && (A <= 1)) && (b <= ((long long) B * 2))) && (q == 0)) || ((((((b == 1) && (r == A)) && (0 <= 0)) && (A <= 1)) && (B == b)) && (q == 0))) [2024-10-15 15:32:17,231 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:32:17,231 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (cond != 0) [2024-10-15 15:32:17,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:17,363 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/divbin_valuebound1.i[950,963] [2024-10-15 15:32:17,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:17,386 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:17,431 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/divbin_valuebound1.i[950,963] Start Parsing Local Start Parsing Local [2024-10-15 15:32:17,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:17,475 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:17,476 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:17 WrapperNode [2024-10-15 15:32:17,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:17,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:17,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:17,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:17,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,501 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:17,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:17,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:17,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:17,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:17,511 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,512 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,513 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,519 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 [2024-10-15 15:32:17,519 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,519 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,522 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,525 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,528 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,529 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:17,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:17,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:17,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:17,534 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 15.10 03:32:17" (1/1) ... [2024-10-15 15:32:17,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:17,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:17,583 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) [2024-10-15 15:32:17,591 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 [2024-10-15 15:32:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:17,671 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:17,673 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:17,845 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:17,854 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:17,868 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:17,869 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:32:17,869 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:17 BoogieIcfgContainer [2024-10-15 15:32:17,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:17,870 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:17,870 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:17,870 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:17,870 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:17" (1/4) ... [2024-10-15 15:32:17,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8080da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:17, skipping insertion in model container [2024-10-15 15:32:17,871 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:17" (2/4) ... [2024-10-15 15:32:17,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8080da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:17, skipping insertion in model container [2024-10-15 15:32:17,871 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 15.10 03:32:17" (3/4) ... [2024-10-15 15:32:17,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8080da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:17, skipping insertion in model container [2024-10-15 15:32:17,872 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:17" (4/4) ... [2024-10-15 15:32:17,873 INFO L79 RefereeObserver]: Analyzing ICFG divbin_valuebound1.i [2024-10-15 15:32:17,875 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:17,876 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:32:17,877 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:32:17,925 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:17,926 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:17,926 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:17,926 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:17,927 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:17,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:17,937 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:17,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:17,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:17,938 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:17,939 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:17,941 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:17,957 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:18,000 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:18,000 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:18,001 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:18,001 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:18,001 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:18,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:18,015 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:18,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:18,015 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:18,016 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:18,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:18,016 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:22,028 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:22,071 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:32:22,072 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:22,072 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:22,072 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:22,072 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:22,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,146 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:32:22,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:22,156 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:22,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:22,182 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:22,231 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:22,266 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-10-15 15:32:22,266 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:22,266 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:22,267 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:22,267 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:22,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,297 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-10-15 15:32:22,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,301 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:22,301 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:22,301 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:22,328 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:22,349 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:22,383 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-10-15 15:32:22,384 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:22,384 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:22,384 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:22,384 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:22,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,400 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-10-15 15:32:22,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:22,405 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:22,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:22,405 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:22,411 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:22,433 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:22,433 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:22,437 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:22,437 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:22,437 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:22,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,454 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:22,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,455 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:22,455 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:22,456 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:22,456 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:22,476 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:22,500 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:22,501 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:22,502 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:22,502 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:22,502 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:22,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,508 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:22,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:22,508 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:22,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:22,509 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:22,512 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:22,533 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:22,533 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:22,533 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:22,533 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:22,533 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:22,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,534 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:22,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:22,535 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:22,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:22,535 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:22,537 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:22,556 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:22,561 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:22,561 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:22,561 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:22,561 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:22,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,580 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:22,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:22,584 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:22,585 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:22,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:22,588 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:22,597 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:22,600 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:32:22,600 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8080da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:22, skipping insertion in model container [2024-10-15 15:32:22,601 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:22,605 INFO L158 Benchmark]: Toolchain (without parser) took 5393.43ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 52.6MB in the end (delta: -7.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-10-15 15:32:22,606 INFO L158 Benchmark]: CDTParser took 3.50ms. Allocated memory is still 54.5MB. Free memory is still 28.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:22,606 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 47.7MB in the end (delta: 178.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:22,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.99ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 63.7MB in the end (delta: -18.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-10-15 15:32:22,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.27ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 62.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:22,608 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:22,609 INFO L158 Benchmark]: RCFGBuilder took 338.55ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 39.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 15:32:22,613 INFO L158 Benchmark]: Referee took 4731.30ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 39.4MB in the beginning and 52.6MB in the end (delta: -13.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:22,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.50ms. Allocated memory is still 54.5MB. Free memory is still 28.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 47.7MB in the end (delta: 178.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.99ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 63.7MB in the end (delta: -18.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.27ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 62.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.55ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 39.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 4731.30ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 39.4MB in the beginning and 52.6MB in the end (delta: -13.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:32:22,654 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:24,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:24,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:32:24,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:24,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:24,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:24,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:24,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:24,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:24,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:24,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:24,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:24,620 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:24,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:24,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:24,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:24,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:24,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:24,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:24,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:24,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:24,622 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:32:24,623 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:32:24,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:24,623 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:32:24,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:24,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:24,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:24,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:24,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:24,625 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:24,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:24,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:24,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:24,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:24,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:24,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:24,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:24,894 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:24,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-10-15 15:32:26,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:26,424 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:26,425 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound1.i [2024-10-15 15:32:26,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a3f4ba092/fb119720b543484abb2190660ca19643/FLAG1e969ce90 [2024-10-15 15:32:26,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a3f4ba092/fb119720b543484abb2190660ca19643 [2024-10-15 15:32:26,833 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:26,834 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:26,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_valuebound1.yml/witness-2.1.yml [2024-10-15 15:32:26,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:26,907 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:26,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:26,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:26,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:26,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:26" (1/2) ... [2024-10-15 15:32:26,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29db4ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:26" (1/2) ... [2024-10-15 15:32:26,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@930a786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:26" (2/2) ... [2024-10-15 15:32:26,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29db4ad4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:26" (2/2) ... [2024-10-15 15:32:26,930 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:26,930 INFO L1541 ArrayList]: Loop invariant at [L41-L50] ((((((((B == 1) && (b == 1)) && (r <= 0)) && (r == A)) && (q == 0)) || ((((0 <= 0) && (0 <= 0)) && (A == ((r + ((unsigned long long) b * q)) % 4294967296))) && (B == b))) || ((((((B == 1) && (r == A)) && (0 <= (2 * ((((b / 2) + ((long long) -1 * B)) >= 0) ? (((b / 2) + ((long long) -1 * B)) / 4294967296) : ((((b / 2) + ((long long) -1 * B)) / 4294967296) - 1))))) && (A <= 1)) && (b <= ((long long) B * 2))) && (q == 0))) || (((((B == 1) && (b == 1)) && (r <= 0)) && (A == (((long long) r + 1) % 4294967296))) && (q == 1))) [2024-10-15 15:32:26,931 INFO L1541 ArrayList]: Loop invariant at [L37-L40] (((((((B == 1) && (r == A)) && (0 <= (2 * ((((b / 2) + ((long long) -1 * B)) >= 0) ? (((b / 2) + ((long long) -1 * B)) / 4294967296) : ((((b / 2) + ((long long) -1 * B)) / 4294967296) - 1))))) && (A <= 1)) && (b <= ((long long) B * 2))) && (q == 0)) || ((((((b == 1) && (r == A)) && (0 <= 0)) && (A <= 1)) && (B == b)) && (q == 0))) [2024-10-15 15:32:26,931 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (cond != 0) [2024-10-15 15:32:26,931 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:32:26,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:27,103 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/divbin_valuebound1.i[950,963] [2024-10-15 15:32:27,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:27,127 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:27,158 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/divbin_valuebound1.i[950,963] Start Parsing Local Start Parsing Local [2024-10-15 15:32:27,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:27,204 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:27,205 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:27 WrapperNode [2024-10-15 15:32:27,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:27,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:27,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:27,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:27,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,229 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:27,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:27,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:27,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:27,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:27,239 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,240 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,242 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,251 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 [2024-10-15 15:32:27,251 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,252 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,256 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,261 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,263 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,268 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:27,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:27,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:27,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:27,270 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 15.10 03:32:27" (1/1) ... [2024-10-15 15:32:27,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:27,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:27,297 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) [2024-10-15 15:32:27,302 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 [2024-10-15 15:32:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:32:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:27,389 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:27,391 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:27,631 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:27,640 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:27,660 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:27,660 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:32:27,660 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:27 BoogieIcfgContainer [2024-10-15 15:32:27,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:27,661 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:27,661 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:27,662 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:27,662 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:26" (1/4) ... [2024-10-15 15:32:27,662 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b7ddb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:27, skipping insertion in model container [2024-10-15 15:32:27,662 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:26" (2/4) ... [2024-10-15 15:32:27,663 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b7ddb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:27, skipping insertion in model container [2024-10-15 15:32:27,663 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 15.10 03:32:27" (3/4) ... [2024-10-15 15:32:27,663 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b7ddb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:27, skipping insertion in model container [2024-10-15 15:32:27,663 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:27" (4/4) ... [2024-10-15 15:32:27,664 INFO L79 RefereeObserver]: Analyzing ICFG divbin_valuebound1.i [2024-10-15 15:32:27,673 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:32:27,674 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:27,675 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:27,675 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:27,675 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:32:27,675 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:27,675 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:32:27,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:27,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:27,677 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:32:27,677 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:32:27,714 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:27,715 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,716 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,716 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,717 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,728 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:27,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,730 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,730 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,733 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,745 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:27,763 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:27,763 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,763 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,763 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,764 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,772 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:27,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,772 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,773 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,785 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:27,805 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:32:27,805 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,805 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,805 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,806 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,844 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:32:27,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,845 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,858 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,886 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:27,905 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-10-15 15:32:27,907 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,907 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,907 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,907 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,923 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-10-15 15:32:27,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,924 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,927 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,938 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:27,955 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-10-15 15:32:27,955 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,956 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,956 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,956 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,965 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-10-15 15:32:27,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,966 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,966 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,967 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,972 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:27,994 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:27,997 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,997 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,997 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,997 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:28,002 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:28,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:28,004 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:28,004 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:28,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:28,005 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:28,016 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:28,031 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:28,031 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:28,031 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:28,031 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:28,031 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:28,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:28,034 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:28,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:28,035 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:28,035 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:28,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:28,036 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:28,038 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:28,050 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:28,050 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:28,050 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:28,050 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:28,050 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:28,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:28,052 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:28,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:28,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:28,052 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:28,052 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:28,052 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:28,054 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:28,063 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:28,064 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:28,064 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:28,066 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:28,067 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:28,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:28,075 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:28,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:28,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:28,077 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:28,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:28,077 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:28,079 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:28,082 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:32:28,083 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b7ddb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:28, skipping insertion in model container [2024-10-15 15:32:28,084 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:28,086 INFO L158 Benchmark]: Toolchain (without parser) took 1177.43ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 49.0MB in the beginning and 91.1MB in the end (delta: -42.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-15 15:32:28,086 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:28,087 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:28,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.12ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 59.0MB in the end (delta: -10.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-10-15 15:32:28,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.09ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 57.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:28,088 INFO L158 Benchmark]: Boogie Preprocessor took 37.79ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:28,089 INFO L158 Benchmark]: RCFGBuilder took 390.99ms. Allocated memory is still 88.1MB. Free memory was 55.7MB in the beginning and 39.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:28,090 INFO L158 Benchmark]: Referee took 423.08ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 39.9MB in the beginning and 91.1MB in the end (delta: -51.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:28,093 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 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 37 to loop head at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.12ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 59.0MB in the end (delta: -10.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.09ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 57.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.79ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.99ms. Allocated memory is still 88.1MB. Free memory was 55.7MB in the beginning and 39.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 423.08ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 39.9MB in the beginning and 91.1MB in the end (delta: -51.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:32:28,125 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