./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_2x3-2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_2x3-2.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/recursive-simple/sum_2x3-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_2x3-2.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 [2024-09-11 20:54:37,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:37,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:37,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:37,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:37,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:37,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:37,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:37,114 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:37,114 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:37,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:37,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:37,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:37,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:37,116 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:37,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:37,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:37,117 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:37,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:37,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:37,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:37,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:37,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:37,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:37,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:37,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:37,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:37,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:37,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:37,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:37,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:37,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:37,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:37,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:37,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:37,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:37,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:37,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:37,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:37,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:37,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:37,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:37,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:37,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:37,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:37,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:37,364 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:37,377 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:37,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_2x3-2.yml/witness-2.1.yml [2024-09-11 20:54:37,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:37,421 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:37,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2024-09-11 20:54:38,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:38,973 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:38,974 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2024-09-11 20:54:38,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/183a79a4b/64646bb5e1dc4bb29453ffc2f0697e41/FLAG6ed17c0e8 [2024-09-11 20:54:38,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/183a79a4b/64646bb5e1dc4bb29453ffc2f0697e41 [2024-09-11 20:54:38,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:38,996 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:38,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:38,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:39,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:39,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:37" (1/2) ... [2024-09-11 20:54:39,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1c9506 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:39, skipping insertion in model container [2024-09-11 20:54:39,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:37" (1/2) ... [2024-09-11 20:54:39,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@187b8516 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:39, skipping insertion in model container [2024-09-11 20:54:39,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:38" (2/2) ... [2024-09-11 20:54:39,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1c9506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39, skipping insertion in model container [2024-09-11 20:54:39,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:38" (2/2) ... [2024-09-11 20:54:39,011 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:39,013 INFO L1541 ArrayList]: Function contract at [L5]: requires null, ensures (((((\result == (2 + \old(m))) && (2 == \old(n))) || ((\result <= \old(m)) && ((\old(n) + \old(m)) <= \result))) || ((\result == ((long long) \old(m) + 1)) && (\old(n) == 1))) || (2 < \old(n))) [2024-09-11 20:54:39,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:39,158 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/recursive-simple/sum_2x3-2.c[479,492] [2024-09-11 20:54:39,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:39,170 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:39,203 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/recursive-simple/sum_2x3-2.c[479,492] [2024-09-11 20:54:39,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:39,218 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:39,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39 WrapperNode [2024-09-11 20:54:39,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:39,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:39,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:39,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:39,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,245 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure sum is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:39,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:39,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:39,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:39,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:39,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (1/1) ... [2024-09-11 20:54:39,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:39,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:39,285 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) [2024-09-11 20:54:39,288 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 [2024-09-11 20:54:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-09-11 20:54:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-09-11 20:54:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:39,376 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:39,378 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:39,546 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:39,546 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:39,559 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:39,559 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:39,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:39 BoogieIcfgContainer [2024-09-11 20:54:39,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:39,560 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:39,560 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:39,561 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:39,561 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:37" (1/4) ... [2024-09-11 20:54:39,561 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@83ac312 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:39, skipping insertion in model container [2024-09-11 20:54:39,561 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:38" (2/4) ... [2024-09-11 20:54:39,561 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@83ac312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:39, skipping insertion in model container [2024-09-11 20:54:39,562 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:39" (3/4) ... [2024-09-11 20:54:39,562 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@83ac312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:39, skipping insertion in model container [2024-09-11 20:54:39,562 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:39" (4/4) ... [2024-09-11 20:54:39,563 INFO L79 RefereeObserver]: Analyzing ICFG sum_2x3-2.c [2024-09-11 20:54:39,565 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:39,566 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:39,566 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:39,566 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:39,592 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:39,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:39,593 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:39,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:39,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:39,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:39,621 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:39,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:39,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:39,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:39,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:39,623 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:39,640 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:39,654 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:39,654 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:39,654 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:39,654 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:39,654 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:39,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:39,681 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:39,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:39,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:39,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:39,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:39,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:39,698 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location sumErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:39,701 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:39,701 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@83ac312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:39, skipping insertion in model container [2024-09-11 20:54:39,702 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:39,703 INFO L158 Benchmark]: Toolchain (without parser) took 706.35ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 123.9MB in the end (delta: -26.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:39,704 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:39,704 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:39,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.75ms. Allocated memory is still 167.8MB. Free memory was 97.5MB in the beginning and 84.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:39,706 INFO L158 Benchmark]: Boogie Preprocessor took 34.26ms. Allocated memory is still 167.8MB. Free memory was 84.8MB in the beginning and 83.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:39,706 INFO L158 Benchmark]: RCFGBuilder took 304.94ms. Allocated memory is still 167.8MB. Free memory was 82.9MB in the beginning and 134.5MB in the end (delta: -51.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:39,707 INFO L158 Benchmark]: Referee took 141.44ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 123.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:39,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 18. Annotation is valid for all loop-free paths from entry of procedure sum to exit of procedure sum. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.75ms. Allocated memory is still 167.8MB. Free memory was 97.5MB in the beginning and 84.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.26ms. Allocated memory is still 167.8MB. Free memory was 84.8MB in the beginning and 83.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.94ms. Allocated memory is still 167.8MB. Free memory was 82.9MB in the beginning and 134.5MB in the end (delta: -51.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Referee took 141.44ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 123.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:39,734 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/recursive-simple/sum_2x3-2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_2x3-2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:54:41,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:41,935 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:41,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:41,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:41,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:41,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:41,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:41,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:41,964 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:41,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:41,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:41,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:41,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:41,965 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:41,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:41,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:41,966 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:41,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:41,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:41,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:41,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:41,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:41,971 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:41,971 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:41,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:41,972 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:41,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:41,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:41,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:41,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:41,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:41,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:41,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:41,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:41,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:41,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:41,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:41,976 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:41,977 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:41,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:41,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:41,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:41,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:41,978 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:41,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:42,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:42,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:42,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:42,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:42,246 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:42,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2024-09-11 20:54:43,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:43,852 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:43,852 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2024-09-11 20:54:43,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e4fe5d26d/e49b24a7e5c44eefb128cd7559a2c20d/FLAG981acb333 [2024-09-11 20:54:43,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e4fe5d26d/e49b24a7e5c44eefb128cd7559a2c20d [2024-09-11 20:54:43,874 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:43,874 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:43,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_2x3-2.yml/witness-2.1.yml [2024-09-11 20:54:43,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:43,920 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:43,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:43,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:43,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:43,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:43" (1/2) ... [2024-09-11 20:54:43,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c01c99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:43, skipping insertion in model container [2024-09-11 20:54:43,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:43" (1/2) ... [2024-09-11 20:54:43,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@454aecc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:43, skipping insertion in model container [2024-09-11 20:54:43,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:43" (2/2) ... [2024-09-11 20:54:43,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c01c99c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:43, skipping insertion in model container [2024-09-11 20:54:43,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:43" (2/2) ... [2024-09-11 20:54:43,939 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:43,940 INFO L1541 ArrayList]: Function contract at [L5]: requires null, ensures (((((\result == (2 + \old(m))) && (2 == \old(n))) || ((\result <= \old(m)) && ((\old(n) + \old(m)) <= \result))) || ((\result == ((long long) \old(m) + 1)) && (\old(n) == 1))) || (2 < \old(n))) [2024-09-11 20:54:43,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:44,086 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/recursive-simple/sum_2x3-2.c[479,492] [2024-09-11 20:54:44,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:44,110 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:44,145 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/recursive-simple/sum_2x3-2.c[479,492] [2024-09-11 20:54:44,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:44,159 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:44,160 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:44 WrapperNode [2024-09-11 20:54:44,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:44,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:44,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:44,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:44,171 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,171 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,177 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,185 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure sum is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:54:44,186 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,186 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,193 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,197 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,198 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,199 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:44,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:44,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:44,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:44,203 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 11.09 08:54:44" (1/1) ... [2024-09-11 20:54:44,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:44,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:44,227 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) [2024-09-11 20:54:44,233 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 [2024-09-11 20:54:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-09-11 20:54:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-09-11 20:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:44,338 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:44,339 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:44,491 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:44,492 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:44,523 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:44,523 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:44,524 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:44 BoogieIcfgContainer [2024-09-11 20:54:44,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:44,525 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:44,526 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:44,526 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:44,526 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:43" (1/4) ... [2024-09-11 20:54:44,527 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70f7d2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:44, skipping insertion in model container [2024-09-11 20:54:44,527 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:54:43" (2/4) ... [2024-09-11 20:54:44,528 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70f7d2dd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:44, skipping insertion in model container [2024-09-11 20:54:44,528 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 11.09 08:54:44" (3/4) ... [2024-09-11 20:54:44,528 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70f7d2dd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:44, skipping insertion in model container [2024-09-11 20:54:44,528 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:44" (4/4) ... [2024-09-11 20:54:44,529 INFO L79 RefereeObserver]: Analyzing ICFG sum_2x3-2.c [2024-09-11 20:54:44,532 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:44,533 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:44,533 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:44,533 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:44,572 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:44,573 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:44,574 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:44,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:44,575 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:44,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:44,591 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:44,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:44,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:44,592 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:44,592 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:44,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:44,605 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:44,614 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:44,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:44,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:44,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:44,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:44,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:44,635 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:44,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:44,635 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:44,636 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:44,636 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:44,647 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:44,677 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:54:44,678 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70f7d2dd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:44, skipping insertion in model container [2024-09-11 20:54:44,679 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:44,681 INFO L158 Benchmark]: Toolchain (without parser) took 760.67ms. Allocated memory is still 115.3MB. Free memory was 84.4MB in the beginning and 72.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-11 20:54:44,681 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 67.1MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:44,682 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:44,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.39ms. Allocated memory is still 115.3MB. Free memory was 84.4MB in the beginning and 71.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:44,683 INFO L158 Benchmark]: Boogie Preprocessor took 39.35ms. Allocated memory is still 115.3MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:44,683 INFO L158 Benchmark]: RCFGBuilder took 323.87ms. Allocated memory is still 115.3MB. Free memory was 69.2MB in the beginning and 88.3MB in the end (delta: -19.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-11 20:54:44,684 INFO L158 Benchmark]: Referee took 154.42ms. Allocated memory is still 115.3MB. Free memory was 87.7MB in the beginning and 72.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:44,686 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure sum to exit of procedure sum. One counterexample starts in \old(m)=-1325363200, \old(n)=-1895301117 and ends in \old(m)=-1325363200, \old(n)=-1895301117, \result=0, m=0, n=0. Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 18. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 67.1MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.39ms. Allocated memory is still 115.3MB. Free memory was 84.4MB in the beginning and 71.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.35ms. Allocated memory is still 115.3MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.87ms. Allocated memory is still 115.3MB. Free memory was 69.2MB in the beginning and 88.3MB in the end (delta: -19.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Referee took 154.42ms. Allocated memory is still 115.3MB. Free memory was 87.7MB in the beginning and 72.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:44,710 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE