./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:23,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:23,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:12:23,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:23,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:23,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:23,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:23,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:23,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:23,398 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:23,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:23,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:23,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:23,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:23,401 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:23,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:23,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:23,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:23,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:12:23,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:23,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:23,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:23,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:23,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:23,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:23,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:23,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:23,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:23,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:23,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:23,409 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:23,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:23,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:23,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:23,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:23,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:23,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:12:23,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:12:23,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:23,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:23,412 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:23,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:23,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:23,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:23,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:23,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:23,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:23,669 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:23,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-12 20:12:25,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:25,356 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:25,356 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-12 20:12:25,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/48db04af3/894eb2fe803440bc966d7d1e3fd746b8/FLAGeafe82e1a [2024-09-12 20:12:25,377 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/48db04af3/894eb2fe803440bc966d7d1e3fd746b8 [2024-09-12 20:12:25,379 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:25,379 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:25,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml [2024-09-12 20:12:25,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:25,433 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:25,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:25,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:25,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:25,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:25" (1/2) ... [2024-09-12 20:12:25,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c796e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25, skipping insertion in model container [2024-09-12 20:12:25,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:25" (1/2) ... [2024-09-12 20:12:25,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44cb47bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25, skipping insertion in model container [2024-09-12 20:12:25,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:25" (2/2) ... [2024-09-12 20:12:25,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c796e67 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:25, skipping insertion in model container [2024-09-12 20:12:25,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:25" (2/2) ... [2024-09-12 20:12:25,453 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:25,454 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((((a == v) && (1 <= (a % 4294967296))) && (b == y)) && (counter == 0)) && (b == u)) && (a == x)) || (((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (1 <= (a % 4294967296))) && (counter == 1))) && (\old(counter) == 0)) [2024-09-12 20:12:25,454 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 20:12:25,454 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:25,455 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((\old(cond) != 0) && (counter == 0)) [2024-09-12 20:12:25,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:25,622 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c[537,550] [2024-09-12 20:12:25,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:25,647 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:25,677 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-12 20:12:25,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:25,709 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:25,710 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:25 WrapperNode [2024-09-12 20:12:25,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:25,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:25,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:25,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:25,728 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,730 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,739 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,749 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 [2024-09-12 20:12:25,750 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,750 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,754 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,758 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,759 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,759 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:25,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:25,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:25,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:25,763 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 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:25,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:25,785 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) [2024-09-12 20:12:25,797 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 [2024-09-12 20:12:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:12:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:12:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:12:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:25,902 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:25,906 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:25,937 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:25,977 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:26,161 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:26,208 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:26,208 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:26,229 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:26,230 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:26,230 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:26 BoogieIcfgContainer [2024-09-12 20:12:26,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:26,231 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:26,231 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:26,232 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:26,232 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:25" (1/4) ... [2024-09-12 20:12:26,233 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bf96919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:26, skipping insertion in model container [2024-09-12 20:12:26,233 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:25" (2/4) ... [2024-09-12 20:12:26,233 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bf96919 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:26, skipping insertion in model container [2024-09-12 20:12:26,233 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 12.09 08:12:25" (3/4) ... [2024-09-12 20:12:26,233 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bf96919 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:26, skipping insertion in model container [2024-09-12 20:12:26,234 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:26" (4/4) ... [2024-09-12 20:12:26,235 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound1.c [2024-09-12 20:12:26,238 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:26,239 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:26,239 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:26,239 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:12:26,239 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:12:26,240 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 20:12:26,240 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:26,240 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 20:12:26,240 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:12:26,240 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 20:12:26,240 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:26,241 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr9ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 12 edges. [2024-09-12 20:12:26,241 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:12:26,241 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:26,241 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:26,242 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:26,242 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-12 20:12:26,306 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:26,308 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:26,308 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:26,309 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:26,310 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:26,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:26,330 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:26,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:26,331 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:26,331 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:26,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:26,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:26,363 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:26,394 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:26,395 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:26,395 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:26,395 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:26,395 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:26,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:26,397 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:26,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:26,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:26,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:26,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:26,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:26,404 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:26,439 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:12:26,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:26,442 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:26,442 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:26,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:26,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:26,468 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:12:26,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:26,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:26,468 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:26,469 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:26,469 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:26,474 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:26,504 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-12 20:12:26,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:26,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:26,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:26,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:26,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:26,573 INFO L101 BaseMinimizeStates]: Removed 18 edges and 8 locations by large block encoding [2024-09-12 20:12:26,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:26,574 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:26,574 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:26,574 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:26,586 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:30,594 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:30,614 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 20:12:30,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:30,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:30,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:30,616 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:30,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:30,644 INFO L101 BaseMinimizeStates]: Removed 19 edges and 7 locations by large block encoding [2024-09-12 20:12:30,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:30,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:30,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:30,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:30,652 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:34,658 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:34,679 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:12:34,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:34,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:34,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:34,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:34,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:34,683 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:12:34,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:34,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:34,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:34,685 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:34,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:34,687 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:34,704 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:12:34,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:34,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:34,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:34,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:34,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:34,722 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:12:34,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:34,723 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:34,723 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:34,724 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:34,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,732 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:38,750 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:38,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,757 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:38,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,761 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:38,772 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:12:38,772 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,773 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:12:38,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,775 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:38,786 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:38,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,787 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,787 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,787 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,788 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:38,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,788 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,788 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,788 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,790 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:38,802 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-12 20:12:38,802 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,802 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,860 INFO L101 BaseMinimizeStates]: Removed 27 edges and 9 locations by large block encoding [2024-09-12 20:12:38,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,864 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr9ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:38,893 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:12:38,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,914 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:12:38,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,916 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,919 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:38,952 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:38,956 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,956 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,956 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,958 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,965 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:38,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,966 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,966 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,967 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,972 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:38,985 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:38,985 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,986 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,986 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,986 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,987 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:38,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,989 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:38,997 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:12:38,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:39,002 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:12:39,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:39,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:39,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:39,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:39,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:39,005 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:39,010 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 20:12:39,010 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@bf96919 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:39, skipping insertion in model container [2024-09-12 20:12:39,010 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:39,012 INFO L158 Benchmark]: Toolchain (without parser) took 13578.13ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 89.3MB in the beginning and 146.8MB in the end (delta: -57.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2024-09-12 20:12:39,013 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory was 113.9MB in the beginning and 113.8MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:39,013 INFO L158 Benchmark]: Witness Parser took 0.07ms. Allocated memory is still 146.8MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:39,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.36ms. Allocated memory is still 146.8MB. Free memory was 88.9MB in the beginning and 75.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:12:39,014 INFO L158 Benchmark]: Boogie Preprocessor took 50.20ms. Allocated memory is still 146.8MB. Free memory was 75.0MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 20:12:39,015 INFO L158 Benchmark]: RCFGBuilder took 468.20ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 72.6MB in the beginning and 153.2MB in the end (delta: -80.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-12 20:12:39,015 INFO L158 Benchmark]: Referee took 12779.32ms. Allocated memory is still 199.2MB. Free memory was 153.2MB in the beginning and 146.8MB in the end (delta: 6.4MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:39,019 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 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. 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 13. 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 36 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory was 113.9MB in the beginning and 113.8MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.07ms. Allocated memory is still 146.8MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.36ms. Allocated memory is still 146.8MB. Free memory was 88.9MB in the beginning and 75.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.20ms. Allocated memory is still 146.8MB. Free memory was 75.0MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 468.20ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 72.6MB in the beginning and 153.2MB in the end (delta: -80.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Referee took 12779.32ms. Allocated memory is still 199.2MB. Free memory was 153.2MB in the beginning and 146.8MB in the end (delta: 6.4MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:39,053 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/lcm2_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:41,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:41,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 20:12:41,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:41,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:41,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:41,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:41,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:41,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:41,384 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:41,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:41,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:41,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:41,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:41,386 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:41,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:41,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:41,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:41,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:41,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:41,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:41,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:41,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:41,392 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 20:12:41,392 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 20:12:41,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:41,393 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 20:12:41,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:41,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:41,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:41,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:41,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:41,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:41,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:41,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:41,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:41,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:41,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:41,396 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 20:12:41,396 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 20:12:41,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:41,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:41,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:41,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:41,397 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 20:12:41,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:41,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:41,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:41,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:41,767 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:41,768 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:41,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-12 20:12:43,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:43,507 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:43,507 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-12 20:12:43,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cd4ce7e86/38c8b6b8022e4508a1b5c75b365fb224/FLAG90a5fe120 [2024-09-12 20:12:43,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cd4ce7e86/38c8b6b8022e4508a1b5c75b365fb224 [2024-09-12 20:12:43,528 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:43,531 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:43,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml [2024-09-12 20:12:43,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:43,593 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:43,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:43,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:43,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:43,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:43" (1/2) ... [2024-09-12 20:12:43,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb62038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:43, skipping insertion in model container [2024-09-12 20:12:43,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:43" (1/2) ... [2024-09-12 20:12:43,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dc8c698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:43, skipping insertion in model container [2024-09-12 20:12:43,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:43" (2/2) ... [2024-09-12 20:12:43,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb62038 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:43, skipping insertion in model container [2024-09-12 20:12:43,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:43" (2/2) ... [2024-09-12 20:12:43,616 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:43,616 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((((a == v) && (1 <= (a % 4294967296))) && (b == y)) && (counter == 0)) && (b == u)) && (a == x)) || (((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (1 <= (a % 4294967296))) && (counter == 1))) && (\old(counter) == 0)) [2024-09-12 20:12:43,617 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 20:12:43,617 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:43,617 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((\old(cond) != 0) && (counter == 0)) [2024-09-12 20:12:43,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:43,807 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c[537,550] [2024-09-12 20:12:43,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:43,850 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:43,891 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-12 20:12:43,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:43,932 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:43,933 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:43 WrapperNode [2024-09-12 20:12:43,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:43,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:43,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:43,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:43,948 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:43,949 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:43,959 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:43,977 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 [2024-09-12 20:12:43,980 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:43,980 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:43,990 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:43,997 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:43,999 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:44,000 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:44,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:44,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:44,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:44,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:44,005 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 12.09 08:12:43" (1/1) ... [2024-09-12 20:12:44,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:44,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:44,035 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) [2024-09-12 20:12:44,038 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 [2024-09-12 20:12:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 20:12:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 20:12:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 20:12:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:44,183 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:44,186 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:44,216 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:44,255 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:44,636 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:44,687 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:44,687 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:44,714 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:44,715 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:44,715 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:44 BoogieIcfgContainer [2024-09-12 20:12:44,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:44,716 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:44,716 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:44,717 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:44,717 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:43" (1/4) ... [2024-09-12 20:12:44,717 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@443099e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:44, skipping insertion in model container [2024-09-12 20:12:44,718 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:43" (2/4) ... [2024-09-12 20:12:44,718 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@443099e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:44, skipping insertion in model container [2024-09-12 20:12:44,718 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 12.09 08:12:43" (3/4) ... [2024-09-12 20:12:44,718 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@443099e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:44, skipping insertion in model container [2024-09-12 20:12:44,718 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:44" (4/4) ... [2024-09-12 20:12:44,723 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound1.c [2024-09-12 20:12:44,727 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:44,728 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:44,728 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:44,728 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:12:44,732 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:12:44,732 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 20:12:44,732 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:44,732 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 20:12:44,732 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:12:44,732 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 20:12:44,732 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:44,733 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr9ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 12 edges. [2024-09-12 20:12:44,733 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:12:44,733 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:44,733 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:44,733 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:44,733 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 5 loop-free subgraphs from loop head to error location [2024-09-12 20:12:44,787 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:44,788 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:44,788 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:44,789 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:44,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:44,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:44,816 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:44,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:44,817 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:44,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:44,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:44,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:44,842 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:44,873 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:44,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:44,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:44,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:44,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:44,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:44,876 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:44,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:44,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:44,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:44,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:44,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:44,878 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:44,913 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:12:44,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:44,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:44,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:44,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:44,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:44,939 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:12:44,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:44,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:44,940 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:44,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:44,940 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:44,946 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:44,973 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-12 20:12:44,974 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:44,975 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:44,975 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:44,975 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:44,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,041 INFO L101 BaseMinimizeStates]: Removed 18 edges and 8 locations by large block encoding [2024-09-12 20:12:45,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,041 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:45,042 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:45,042 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:45,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:45,107 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:45,130 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 20:12:45,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:45,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:45,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:45,133 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:45,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,158 INFO L101 BaseMinimizeStates]: Removed 19 edges and 7 locations by large block encoding [2024-09-12 20:12:45,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:45,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:45,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:45,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:45,252 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:45,271 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:12:45,271 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:45,271 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:45,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:45,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:45,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,274 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:12:45,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:45,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:45,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:45,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:45,277 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:45,295 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:12:45,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:45,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:45,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:45,297 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:45,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,307 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:12:45,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,309 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:45,310 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:45,310 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:45,310 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,329 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:49,352 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:49,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:49,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:49,353 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:49,353 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:49,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,359 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:49,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,360 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:49,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:49,360 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:49,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,363 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:49,375 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:12:49,375 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:49,375 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:49,375 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:49,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:49,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,377 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:12:49,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:49,377 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:49,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:49,378 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,380 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:49,393 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:49,393 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:49,393 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:49,393 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:49,394 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:49,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,395 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:49,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:49,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:49,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:49,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,398 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:49,411 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-12 20:12:49,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:49,412 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:49,412 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:49,412 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:49,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,447 INFO L101 BaseMinimizeStates]: Removed 27 edges and 9 locations by large block encoding [2024-09-12 20:12:49,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,447 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:49,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:49,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:49,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,450 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr9ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:49,461 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:12:49,462 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:49,462 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:49,462 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:49,462 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:49,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,467 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:12:49,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:49,469 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:49,469 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:49,469 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,490 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:49,504 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:49,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:49,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:49,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:49,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:49,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,509 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:49,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:49,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:49,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:49,510 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,512 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:49,521 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:49,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:49,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:49,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:49,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:49,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,523 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:49,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,524 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:49,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:49,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:49,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,525 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:49,533 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:12:49,534 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:49,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:49,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:49,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:49,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,538 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:12:49,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:49,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:49,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:49,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:49,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,540 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:49,543 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 20:12:49,545 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@443099e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:49, skipping insertion in model container [2024-09-12 20:12:49,545 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:49,547 INFO L158 Benchmark]: Toolchain (without parser) took 5954.07ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 30.4MB in the beginning and 26.8MB in the end (delta: 3.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,548 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 44.0MB. Free memory was 20.9MB in the beginning and 20.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:49,548 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:49,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.11ms. Allocated memory is still 60.8MB. Free memory was 30.2MB in the beginning and 31.5MB in the end (delta: -1.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,549 INFO L158 Benchmark]: Boogie Preprocessor took 68.57ms. Allocated memory is still 60.8MB. Free memory was 31.5MB in the beginning and 29.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,550 INFO L158 Benchmark]: RCFGBuilder took 711.41ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 29.1MB in the beginning and 37.5MB in the end (delta: -8.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,550 INFO L158 Benchmark]: Referee took 4829.80ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 26.8MB in the end (delta: 10.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,553 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 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. 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 13. Annotation is valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 44.0MB. Free memory was 20.9MB in the beginning and 20.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.11ms. Allocated memory is still 60.8MB. Free memory was 30.2MB in the beginning and 31.5MB in the end (delta: -1.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.57ms. Allocated memory is still 60.8MB. Free memory was 31.5MB in the beginning and 29.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 711.41ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 29.1MB in the beginning and 37.5MB in the end (delta: -8.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Referee took 4829.80ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 26.8MB in the end (delta: 10.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:49,598 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 Writing output log to file Ultimate.log Result: UNKNOWN