./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/lu.cmp.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lu.cmp.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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/loops/lu.cmp.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lu.cmp.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:46:53,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:46:53,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:46:53,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:46:53,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:46:53,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:46:53,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:46:53,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:46:53,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:46:53,207 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:46:53,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:46:53,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:46:53,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:46:53,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:46:53,210 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:46:53,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:46:53,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:46:53,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:46:53,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:46:53,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:46:53,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:46:53,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:46:53,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:46:53,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:46:53,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:46:53,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:46:53,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:46:53,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:46:53,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:46:53,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:46:53,217 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:46:53,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:46:53,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:46:53,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:46:53,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:46:53,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:46:53,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:46:53,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:46:53,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:46:53,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:46:53,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:46:53,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:46:53,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:46:53,221 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:46:53,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:46:53,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:46:53,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:46:53,514 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:46:53,514 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:46:53,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lu.cmp.yml/witness-2.1.yml [2024-09-21 12:46:53,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:46:53,570 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:46:53,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/lu.cmp.c [2024-09-21 12:46:54,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:46:55,122 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:46:55,122 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c [2024-09-21 12:46:55,129 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b54a8a531/5b4d3f83287144a4bc5622e5d023affb/FLAG181543e41 [2024-09-21 12:46:55,139 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b54a8a531/5b4d3f83287144a4bc5622e5d023affb [2024-09-21 12:46:55,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:46:55,141 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:46:55,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:46:55,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:46:55,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:46:55,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:46:53" (1/2) ... [2024-09-21 12:46:55,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e81022c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:46:55, skipping insertion in model container [2024-09-21 12:46:55,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:46:53" (1/2) ... [2024-09-21 12:46:55,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36141093 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:46:55, skipping insertion in model container [2024-09-21 12:46:55,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:46:55" (2/2) ... [2024-09-21 12:46:55,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e81022c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55, skipping insertion in model container [2024-09-21 12:46:55,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:46:55" (2/2) ... [2024-09-21 12:46:55,162 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:46:55,163 INFO L1541 ArrayList]: Loop invariant at [L93-L104] ((i <= 49) && (5 == n)) [2024-09-21 12:46:55,165 INFO L1541 ArrayList]: Loop invariant at [L96-L101] ((i <= 5) && (5 == n)) [2024-09-21 12:46:55,166 INFO L1541 ArrayList]: Function contract at [L5]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:46:55,194 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:46:55,327 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c[318,331] [2024-09-21 12:46:55,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:46:55,401 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:46:55,440 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c[318,331] Start Parsing Local Start Parsing Local [2024-09-21 12:46:55,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:46:55,491 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:46:55,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55 WrapperNode [2024-09-21 12:46:55,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:46:55,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:46:55,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:46:55,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:46:55,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,524 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-09-21 12:46:55,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:46:55,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:46:55,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:46:55,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:46:55,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (1/1) ... [2024-09-21 12:46:55,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:46:55,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:46:55,582 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) [2024-09-21 12:46:55,585 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 [2024-09-21 12:46:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:46:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:46:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:46:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:46:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2024-09-21 12:46:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:46:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2024-09-21 12:46:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:46:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:46:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:46:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:46:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:46:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2024-09-21 12:46:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2024-09-21 12:46:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:46:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-09-21 12:46:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-09-21 12:46:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 12:46:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:46:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:46:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:46:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:46:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:46:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:46:55,732 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:46:55,735 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:46:55,976 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:46:55,985 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:46:56,036 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:46:56,037 INFO L318 CfgBuilder]: Removed 11 assume(true) statements. [2024-09-21 12:46:56,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:46:56 BoogieIcfgContainer [2024-09-21 12:46:56,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:46:56,038 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:46:56,038 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:46:56,039 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:46:56,039 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:46:53" (1/4) ... [2024-09-21 12:46:56,040 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15532f17 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:46:56, skipping insertion in model container [2024-09-21 12:46:56,041 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:46:55" (2/4) ... [2024-09-21 12:46:56,041 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15532f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:46:56, skipping insertion in model container [2024-09-21 12:46:56,041 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:55" (3/4) ... [2024-09-21 12:46:56,042 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15532f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:46:56, skipping insertion in model container [2024-09-21 12:46:56,042 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:46:56" (4/4) ... [2024-09-21 12:46:56,043 INFO L79 RefereeObserver]: Analyzing ICFG lu.cmp.c [2024-09-21 12:46:56,051 INFO L113 InvariantChecker]: Found 11 loops. [2024-09-21 12:46:56,052 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:46:56,052 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L93-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 12:46:56,052 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:46:56,052 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:46:56,053 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:46:56,053 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:46:56,053 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:46:56,053 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-21 12:46:56,118 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 12:46:56,120 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:56,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:56,121 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:56,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:56,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,155 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-21 12:46:56,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:56,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:56,158 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:56,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:56,184 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:46:56,205 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:46:56,205 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:56,205 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:56,205 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:56,205 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:56,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,207 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:46:56,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:56,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:56,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:56,208 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:56,210 INFO L520 InvariantChecker]: The annotation(s) from loop head L93-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:46:56,235 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:46:56,237 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:56,237 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:56,237 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:56,237 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:56,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,239 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:46:56,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:56,239 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:56,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:56,241 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:56,243 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:46:56,263 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 12:46:56,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:56,263 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:56,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:56,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:56,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,270 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:46:56,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,270 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:56,271 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:56,271 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:56,272 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:56,275 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:46:56,294 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:46:56,294 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:56,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:56,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:56,295 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:56,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,296 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:46:56,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:56,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:56,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:56,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:56,303 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:46:56,320 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:46:56,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:56,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:56,321 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:56,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:56,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,326 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:46:56,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,326 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:56,327 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:56,327 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:56,328 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:56,330 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:46:56,346 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:46:56,346 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:56,346 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:56,346 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:56,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:56,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,350 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:46:56,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:56,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:56,351 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:56,351 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:56,351 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:56,354 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:46:56,357 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:46:56,358 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15532f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:46:56, skipping insertion in model container [2024-09-21 12:46:56,358 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:46:56,360 INFO L158 Benchmark]: Toolchain (without parser) took 1218.36ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 82.1MB in the end (delta: 47.6MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-09-21 12:46:56,361 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:46:56,361 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:46:56,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.14ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 113.7MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:46:56,363 INFO L158 Benchmark]: Boogie Preprocessor took 61.29ms. Allocated memory is still 165.7MB. Free memory was 113.7MB in the beginning and 110.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 12:46:56,364 INFO L158 Benchmark]: RCFGBuilder took 482.50ms. Allocated memory is still 165.7MB. Free memory was 110.8MB in the beginning and 116.6MB in the end (delta: -5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-21 12:46:56,365 INFO L158 Benchmark]: Referee took 319.95ms. Allocated memory is still 165.7MB. Free memory was 116.6MB in the beginning and 82.1MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-21 12:46:56,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 96 to check that procedure precondition always holds at line 96. Annotation is valid for all loop-free paths from loop head at line 93 to loop head at line 96. Annotation is valid for all loop-free paths from loop head at line 96 to loop head at line 93. Annotation is valid for all loop-free paths from loop head at line 96 to loop head at line 96. 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 main to loop head at line 93. 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 7. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 165.7MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.14ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 113.7MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.29ms. Allocated memory is still 165.7MB. Free memory was 113.7MB in the beginning and 110.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 482.50ms. Allocated memory is still 165.7MB. Free memory was 110.8MB in the beginning and 116.6MB in the end (delta: -5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 319.95ms. Allocated memory is still 165.7MB. Free memory was 116.6MB in the beginning and 82.1MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:46:56,399 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: TRUE