./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 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/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-dev-a9b967e-m [2024-09-12 16:47:43,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:47:43,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:47:43,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:47:43,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:47:43,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:47:43,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:47:43,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:47:43,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:47:43,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:47:43,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:47:43,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:47:43,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:47:43,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:47:43,219 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:47:43,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:47:43,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:47:43,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:47:43,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:47:43,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:47:43,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:47:43,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:47:43,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:47:43,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:47:43,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:47:43,223 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:47:43,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:47:43,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:47:43,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:47:43,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:47:43,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:47:43,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:47:43,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:47:43,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:47:43,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:47:43,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:47:43,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:47:43,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:47:43,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:47:43,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:47:43,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:47:43,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:47:43,229 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:47:43,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:47:43,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:47:43,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:47:43,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:47:43,503 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:47:43,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/lu.cmp.c [2024-09-12 16:47:44,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:47:45,014 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:47:45,014 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c [2024-09-12 16:47:45,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d3119e7f1/97659d90b18c43609d671bb3ca4115a3/FLAG43ffc3eba [2024-09-12 16:47:45,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d3119e7f1/97659d90b18c43609d671bb3ca4115a3 [2024-09-12 16:47:45,419 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:47:45,419 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:47:45,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lu.cmp.yml/witness-2.1.yml [2024-09-12 16:47:45,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:47:45,470 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:47:45,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:47:45,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:47:45,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:47:45,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:47:45" (1/2) ... [2024-09-12 16:47:45,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504b69ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:47:45, skipping insertion in model container [2024-09-12 16:47:45,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:47:45" (1/2) ... [2024-09-12 16:47:45,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3990382d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:47:45, skipping insertion in model container [2024-09-12 16:47:45,484 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 04:47:45" (2/2) ... [2024-09-12 16:47:45,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504b69ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:47:45, skipping insertion in model container [2024-09-12 16:47:45,484 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 04:47:45" (2/2) ... [2024-09-12 16:47:45,494 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:47:45,495 INFO L1541 ArrayList]: Loop invariant at [L96-L101] ((i <= 5) && (5 == n)) [2024-09-12 16:47:45,495 INFO L1541 ArrayList]: Loop invariant at [L93-L104] ((i <= 49) && (5 == n)) [2024-09-12 16:47:45,495 INFO L1541 ArrayList]: Function contract at [L5]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:47:45,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:47:45,691 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/loops/lu.cmp.c[318,331] [2024-09-12 16:47:45,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:47:45,767 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:47:45,837 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/loops/lu.cmp.c[318,331] Start Parsing Local Start Parsing Local [2024-09-12 16:47:45,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:47:45,911 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:47:45,912 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:47:45 WrapperNode [2024-09-12 16:47:45,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:47:45,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:47:45,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:47:45,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:47:45,927 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,927 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,942 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,955 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-09-12 16:47:45,955 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,956 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,975 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,981 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,987 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,992 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 04:47:45" (1/1) ... [2024-09-12 16:47:45,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:47:46,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:47:46,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:47:46,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:47:46,001 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 04:47:45" (1/1) ... [2024-09-12 16:47:46,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:47:46,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:47:46,037 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 16:47:46,040 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 16:47:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:47:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:47:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:47:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:47:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2024-09-12 16:47:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:47:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2024-09-12 16:47:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:47:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:47:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:47:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:47:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:47:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2024-09-12 16:47:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2024-09-12 16:47:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:47:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-09-12 16:47:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-09-12 16:47:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-12 16:47:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:47:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:47:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:47:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:47:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:47:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:47:46,176 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:47:46,178 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:47:46,449 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:47:46,497 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-09-12 16:47:46,498 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:47:46,540 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:47:46,540 INFO L318 CfgBuilder]: Removed 11 assume(true) statements. [2024-09-12 16:47:46,540 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:47:46 BoogieIcfgContainer [2024-09-12 16:47:46,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:47:46,541 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:47:46,541 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:47:46,542 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:47:46,543 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:47:45" (1/4) ... [2024-09-12 16:47:46,543 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@567601e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:47:46, skipping insertion in model container [2024-09-12 16:47:46,543 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 04:47:45" (2/4) ... [2024-09-12 16:47:46,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@567601e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:47:46, skipping insertion in model container [2024-09-12 16:47:46,544 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 04:47:45" (3/4) ... [2024-09-12 16:47:46,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@567601e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:47:46, skipping insertion in model container [2024-09-12 16:47:46,544 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 04:47:46" (4/4) ... [2024-09-12 16:47:46,546 INFO L79 RefereeObserver]: Analyzing ICFG lu.cmp.c [2024-09-12 16:47:46,549 INFO L112 InvariantChecker]: Found 11 loops. [2024-09-12 16:47:46,550 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 16:47:46,550 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L93-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:47:46,551 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:47:46,551 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 16:47:46,551 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-12 16:47:46,551 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 16:47:46,551 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 16:47:46,552 INFO L130 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 loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-12 16:47:46,609 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 16:47:46,610 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:47:46,611 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:47:46,611 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:47:46,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:47:46,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,631 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-12 16:47:46,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,633 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:47:46,633 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:47:46,634 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:47:46,639 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:47:46,654 INFO L514 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:47:46,686 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:47:46,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:47:46,687 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:47:46,687 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:47:46,687 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:47:46,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,690 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:47:46,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:47:46,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:47:46,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:47:46,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:47:46,695 INFO L514 InvariantChecker]: The annotation(s) from loop head L93-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:47:46,712 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:47:46,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:47:46,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:47:46,713 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:47:46,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:47:46,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,715 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:47:46,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,716 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:47:46,716 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:47:46,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:47:46,717 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:47:46,719 INFO L514 InvariantChecker]: The annotation(s) from loop head L96-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:47:46,734 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 16:47:46,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:47:46,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:47:46,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:47:46,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:47:46,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,742 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:47:46,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:47:46,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:47:46,743 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:47:46,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:47:46,746 INFO L514 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:47:46,764 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:47:46,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:47:46,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:47:46,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:47:46,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:47:46,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,767 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:47:46,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:47:46,767 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:47:46,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:47:46,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:47:46,773 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:47:46,795 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:47:46,797 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:47:46,797 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:47:46,798 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:47:46,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:47:46,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,801 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:47:46,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:47:46,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:47:46,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:47:46,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:47:46,806 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:47:46,823 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:47:46,824 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:47:46,824 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:47:46,824 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:47:46,824 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:47:46,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,826 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:47:46,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:47:46,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:47:46,827 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:47:46,827 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:47:46,828 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:47:46,829 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:47:46,832 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:47:46,833 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@567601e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:47:46, skipping insertion in model container [2024-09-12 16:47:46,833 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:47:46,835 INFO L158 Benchmark]: Toolchain (without parser) took 1364.45ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 76.4MB in the beginning and 128.7MB in the end (delta: -52.2MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-09-12 16:47:46,836 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:47:46,836 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:47:46,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.88ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 76.3MB in the beginning and 189.5MB in the end (delta: -113.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-09-12 16:47:46,838 INFO L158 Benchmark]: Boogie Preprocessor took 86.05ms. Allocated memory is still 220.2MB. Free memory was 189.5MB in the beginning and 186.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 16:47:46,839 INFO L158 Benchmark]: RCFGBuilder took 540.25ms. Allocated memory is still 220.2MB. Free memory was 186.4MB in the beginning and 161.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-12 16:47:46,840 INFO L158 Benchmark]: Referee took 292.89ms. Allocated memory is still 220.2MB. Free memory was 161.2MB in the beginning and 128.7MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-12 16:47:46,842 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 loop head at line 96. 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. 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 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 151.0MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.88ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 76.3MB in the beginning and 189.5MB in the end (delta: -113.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.05ms. Allocated memory is still 220.2MB. Free memory was 189.5MB in the beginning and 186.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 540.25ms. Allocated memory is still 220.2MB. Free memory was 186.4MB in the beginning and 161.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 292.89ms. Allocated memory is still 220.2MB. Free memory was 161.2MB in the beginning and 128.7MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:47:46,870 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE