./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_15x0-1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.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_15x0-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.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 20:54:33,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:33,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:33,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:33,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:33,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:33,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:33,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:33,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:33,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:33,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:33,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:33,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:33,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:33,457 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:33,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:33,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:33,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:33,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:33,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:33,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:33,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:33,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:33,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:33,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:33,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:33,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:33,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:33,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:33,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:33,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:33,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:33,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:33,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:33,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:33,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:33,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:33,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:33,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:33,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:33,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:33,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:33,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:33,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:33,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:33,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:33,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:33,770 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:33,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_15x0-1.c [2024-09-11 20:54:35,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:35,428 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:35,428 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_15x0-1.c [2024-09-11 20:54:35,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/810f3c488/ca674fb470e44f669d5fced4d935270a/FLAG519fa8ca7 [2024-09-11 20:54:35,448 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/810f3c488/ca674fb470e44f669d5fced4d935270a [2024-09-11 20:54:35,450 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:35,451 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:35,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.yml/witness-2.1.yml [2024-09-11 20:54:35,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:35,498 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:35,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:35,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:35,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:35,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:35" (1/2) ... [2024-09-11 20:54:35,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715ff8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:35" (1/2) ... [2024-09-11 20:54:35,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28f616fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,512 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 08:54:35" (2/2) ... [2024-09-11 20:54:35,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715ff8f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:35, skipping insertion in model container [2024-09-11 20:54:35,512 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 08:54:35" (2/2) ... [2024-09-11 20:54:35,519 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:35,520 INFO L1541 ArrayList]: Function contract at [L5]: requires null, ensures (\result == (\old(n) + \old(m))) [2024-09-11 20:54:35,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:35,694 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_15x0-1.c[481,494] [2024-09-11 20:54:35,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:35,731 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:35,778 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_15x0-1.c[481,494] [2024-09-11 20:54:35,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:35,793 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:35,794 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:35 WrapperNode [2024-09-11 20:54:35,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:35,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:35,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:35,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:35,808 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,808 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,814 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,823 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 20:54:35,824 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,824 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,831 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,832 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,835 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,836 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:35,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:35,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:35,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:35,840 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 08:54:35" (1/1) ... [2024-09-11 20:54:35,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:35,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:35,895 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 20:54:35,897 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 20:54:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-09-11 20:54:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:35,996 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:35,997 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:36,108 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:36,109 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:36,129 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:36,129 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:36,129 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:36 BoogieIcfgContainer [2024-09-11 20:54:36,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:36,130 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:36,130 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:36,133 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:36,133 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:35" (1/4) ... [2024-09-11 20:54:36,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5641df43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:36, skipping insertion in model container [2024-09-11 20:54:36,134 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 08:54:35" (2/4) ... [2024-09-11 20:54:36,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5641df43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:36, skipping insertion in model container [2024-09-11 20:54:36,134 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 08:54:35" (3/4) ... [2024-09-11 20:54:36,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5641df43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:36, skipping insertion in model container [2024-09-11 20:54:36,135 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 08:54:36" (4/4) ... [2024-09-11 20:54:36,136 INFO L79 RefereeObserver]: Analyzing ICFG sum_15x0-1.c [2024-09-11 20:54:36,139 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:36,140 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:36,140 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:36,140 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:36,169 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:36,170 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:36,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:36,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:36,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:36,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:36,195 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:36,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:36,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:36,197 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:36,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:36,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:36,216 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:36,228 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:36,231 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:36,231 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:36,232 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:36,232 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:36,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:36,253 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:36,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:36,254 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:36,254 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:36,254 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:36,257 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:36,259 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location sumErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:36,262 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:36,262 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5641df43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:36, skipping insertion in model container [2024-09-11 20:54:36,262 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:36,265 INFO L158 Benchmark]: Toolchain (without parser) took 764.88ms. Allocated memory is still 155.2MB. Free memory was 84.7MB in the beginning and 101.3MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:36,266 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:36,266 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:36,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.08ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 122.8MB in the end (delta: -38.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,267 INFO L158 Benchmark]: Boogie Preprocessor took 42.16ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 121.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,268 INFO L158 Benchmark]: RCFGBuilder took 291.70ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 108.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,269 INFO L158 Benchmark]: Referee took 132.33ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 101.3MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:36,271 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 sum to exit of procedure sum. 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 0.30ms. Allocated memory is still 155.2MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.08ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 122.8MB in the end (delta: -38.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.16ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 121.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.70ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 108.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 132.33ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 101.3MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:36,303 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_15x0-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.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 20:54:38,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:38,557 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:38,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:38,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:38,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:38,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:38,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:38,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:38,605 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:38,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:38,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:38,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:38,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:38,609 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:38,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:38,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:38,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:38,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:38,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:38,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:38,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:38,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:38,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:38,614 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:38,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:38,614 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:38,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:38,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:38,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:38,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:38,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:38,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:38,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:38,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:38,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:38,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:38,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:38,627 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:38,627 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:38,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:38,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:38,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:38,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:38,629 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:38,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:38,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:38,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:38,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:38,980 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:38,981 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:38,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_15x0-1.yml/witness-2.1.yml [2024-09-11 20:54:39,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:39,044 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:39,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_15x0-1.c [2024-09-11 20:54:40,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:40,786 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:40,787 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_15x0-1.c [2024-09-11 20:54:40,794 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7fa894e4c/15c5f56b413f43c895e9479241c715d8/FLAGa53d5ed4c [2024-09-11 20:54:40,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7fa894e4c/15c5f56b413f43c895e9479241c715d8 [2024-09-11 20:54:40,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:40,817 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:40,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:40,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:40,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:40,826 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 08:54:39" (1/2) ... [2024-09-11 20:54:40,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211643f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,830 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 08:54:39" (1/2) ... [2024-09-11 20:54:40,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e1b0c85 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:40" (2/2) ... [2024-09-11 20:54:40,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211643f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:40, skipping insertion in model container [2024-09-11 20:54:40,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:40" (2/2) ... [2024-09-11 20:54:40,839 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:40,842 INFO L1541 ArrayList]: Function contract at [L5]: requires null, ensures (\result == (\old(n) + \old(m))) [2024-09-11 20:54:40,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:41,043 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_15x0-1.c[481,494] [2024-09-11 20:54:41,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:41,065 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:41,104 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_15x0-1.c[481,494] [2024-09-11 20:54:41,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:41,129 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:41,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41 WrapperNode [2024-09-11 20:54:41,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:41,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:41,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:41,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:41,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,159 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 20:54:41,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:41,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:41,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:41,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:41,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (1/1) ... [2024-09-11 20:54:41,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:41,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:41,211 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 20:54:41,215 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 20:54:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-09-11 20:54:41,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-09-11 20:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:41,337 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:41,339 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:41,499 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:41,500 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:41,530 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:41,530 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:41,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:41 BoogieIcfgContainer [2024-09-11 20:54:41,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:41,535 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:41,535 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:41,535 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:41,536 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 08:54:39" (1/4) ... [2024-09-11 20:54:41,537 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@395025d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,537 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:40" (2/4) ... [2024-09-11 20:54:41,537 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@395025d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,537 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:41" (3/4) ... [2024-09-11 20:54:41,538 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@395025d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,538 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:41" (4/4) ... [2024-09-11 20:54:41,539 INFO L79 RefereeObserver]: Analyzing ICFG sum_15x0-1.c [2024-09-11 20:54:41,542 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:41,543 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:41,543 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:41,543 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:41,579 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:41,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:41,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:41,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:41,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:41,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,598 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:41,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,603 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:41,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:41,604 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:41,604 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:41,622 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:41,637 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:41,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:41,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:41,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:41,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:41,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,660 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:41,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:41,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:41,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:41,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:41,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:41,667 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location sumErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:41,670 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:41,671 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@395025d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:41, skipping insertion in model container [2024-09-11 20:54:41,671 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:41,675 INFO L158 Benchmark]: Toolchain (without parser) took 858.06ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 32.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,676 INFO L158 Benchmark]: Witness Parser took 1.03ms. Allocated memory is still 48.2MB. Free memory was 23.6MB in the beginning and 23.5MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:41,676 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 31.5MB in the beginning and 31.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:41,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.00ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 39.2MB in the end (delta: -4.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,678 INFO L158 Benchmark]: Boogie Preprocessor took 44.98ms. Allocated memory is still 67.1MB. Free memory was 39.2MB in the beginning and 37.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:41,679 INFO L158 Benchmark]: RCFGBuilder took 357.41ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 41.4MB in the end (delta: -4.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,679 INFO L158 Benchmark]: Referee took 139.07ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 32.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:41,682 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 sum to exit of procedure sum. 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: * Witness Parser took 1.03ms. Allocated memory is still 48.2MB. Free memory was 23.6MB in the beginning and 23.5MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 31.5MB in the beginning and 31.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.00ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 39.2MB in the end (delta: -4.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.98ms. Allocated memory is still 67.1MB. Free memory was 39.2MB in the beginning and 37.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.41ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 41.4MB in the end (delta: -4.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Referee took 139.07ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 32.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:41,708 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: UNKNOWN