./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/sum_10x0-1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_10x0-1.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_10x0-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_10x0-1.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 20:54:29,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:29,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:54:29,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:29,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:29,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:29,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:29,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:29,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:29,816 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:29,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:29,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:29,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:29,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:29,817 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:29,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:29,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:29,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:29,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:54:29,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:29,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:29,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:29,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:29,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:29,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:29,823 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:29,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:29,823 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:29,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:29,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:29,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:29,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:29,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:29,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:29,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:29,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:29,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:54:29,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:54:29,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:29,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:29,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:29,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:29,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:30,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:30,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:30,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:30,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:30,052 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:30,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2024-09-11 20:54:31,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:31,496 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:31,497 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2024-09-11 20:54:31,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4dd631dbf/0f24a8a09fc246ed9ec65b44f504f613/FLAGf1f913341 [2024-09-11 20:54:31,520 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4dd631dbf/0f24a8a09fc246ed9ec65b44f504f613 [2024-09-11 20:54:31,522 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:31,523 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:31,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_10x0-1.yml/witness-2.1.yml [2024-09-11 20:54:31,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:31,567 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:31,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:31,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:31,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:31,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:31" (1/2) ... [2024-09-11 20:54:31,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9edf66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31, skipping insertion in model container [2024-09-11 20:54:31,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:31" (1/2) ... [2024-09-11 20:54:31,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@408b9bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:31, skipping insertion in model container [2024-09-11 20:54:31,575 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 08:54:31" (2/2) ... [2024-09-11 20:54:31,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9edf66c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:31, skipping insertion in model container [2024-09-11 20:54:31,575 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 08:54:31" (2/2) ... [2024-09-11 20:54:31,580 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:31,581 INFO L1541 ArrayList]: Function contract at [L5]: requires null, ensures (\result == (\old(n) + \old(m))) [2024-09-11 20:54:31,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:31,707 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_10x0-1.c[481,494] [2024-09-11 20:54:31,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:31,724 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:31,756 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_10x0-1.c[481,494] [2024-09-11 20:54:31,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:31,771 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:31,772 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:31 WrapperNode [2024-09-11 20:54:31,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:31,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:31,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:31,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:31,783 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,784 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,789 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,798 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 20:54:31,798 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,798 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,805 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,806 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,807 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,808 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:31,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:31,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:31,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:31,812 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 08:54:31" (1/1) ... [2024-09-11 20:54:31,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:31,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:31,841 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 20:54:31,847 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 20:54:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-09-11 20:54:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:54:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:54:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:54:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:31,937 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:31,939 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:32,044 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:32,044 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:32,063 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:32,063 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:32,063 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:32 BoogieIcfgContainer [2024-09-11 20:54:32,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:32,064 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:32,064 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:32,065 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:32,065 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:31" (1/4) ... [2024-09-11 20:54:32,066 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@392629a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:32, skipping insertion in model container [2024-09-11 20:54:32,066 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 08:54:31" (2/4) ... [2024-09-11 20:54:32,066 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@392629a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:32, skipping insertion in model container [2024-09-11 20:54:32,066 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 08:54:31" (3/4) ... [2024-09-11 20:54:32,066 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@392629a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:32, skipping insertion in model container [2024-09-11 20:54:32,067 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 08:54:32" (4/4) ... [2024-09-11 20:54:32,068 INFO L79 RefereeObserver]: Analyzing ICFG sum_10x0-1.c [2024-09-11 20:54:32,071 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:32,071 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:32,072 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:32,072 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:32,100 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:32,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:32,102 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:32,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:32,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:32,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:32,115 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:32,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:32,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:32,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:32,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:32,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:32,133 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:32,142 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:32,142 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:32,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:32,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:32,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:32,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:32,153 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:32,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:32,153 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:32,153 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:32,153 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:32,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:32,157 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location sumErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:32,160 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:32,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@392629a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:32, skipping insertion in model container [2024-09-11 20:54:32,160 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:32,161 INFO L158 Benchmark]: Toolchain (without parser) took 593.89ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 88.9MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,162 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 83.7MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:32,162 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:32,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.52ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 110.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,163 INFO L158 Benchmark]: Boogie Preprocessor took 37.13ms. Allocated memory is still 157.3MB. Free memory was 110.3MB in the beginning and 108.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,164 INFO L158 Benchmark]: RCFGBuilder took 253.13ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 96.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,164 INFO L158 Benchmark]: Referee took 96.00ms. Allocated memory is still 157.3MB. Free memory was 96.7MB in the beginning and 88.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:32,166 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 0.21ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 83.7MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 157.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.52ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 110.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.13ms. Allocated memory is still 157.3MB. Free memory was 110.3MB in the beginning and 108.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.13ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 96.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 96.00ms. Allocated memory is still 157.3MB. Free memory was 96.7MB in the beginning and 88.9MB in the end (delta: 7.7MB). 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 20:54:32,190 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 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_10x0-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_10x0-1.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 20:54:34,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:54:34,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:54:34,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:54:34,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:54:34,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:54:34,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:54:34,183 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:54:34,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:54:34,184 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:54:34,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:54:34,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:54:34,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:54:34,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:54:34,187 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:54:34,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:54:34,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:54:34,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:54:34,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:54:34,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:54:34,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:54:34,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:54:34,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:54:34,193 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:54:34,193 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:54:34,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:54:34,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:54:34,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:54:34,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:54:34,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:54:34,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:54:34,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:54:34,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:54:34,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:54:34,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:34,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:54:34,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:54:34,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:54:34,196 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:54:34,197 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:54:34,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:54:34,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:54:34,197 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:54:34,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:54:34,197 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:54:34,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:54:34,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:54:34,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:54:34,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:54:34,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:54:34,496 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:54:34,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2024-09-11 20:54:35,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:35,998 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:35,999 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_10x0-1.c [2024-09-11 20:54:36,007 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/38c7f445d/11b6243afd08480d8354121c1c05f8e9/FLAGf3fd9c864 [2024-09-11 20:54:36,399 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/38c7f445d/11b6243afd08480d8354121c1c05f8e9 [2024-09-11 20:54:36,401 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:54:36,401 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:54:36,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_10x0-1.yml/witness-2.1.yml [2024-09-11 20:54:36,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:36,443 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:36,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:36,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:36,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:36,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:36" (1/2) ... [2024-09-11 20:54:36,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644879d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:36, skipping insertion in model container [2024-09-11 20:54:36,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:36" (1/2) ... [2024-09-11 20:54:36,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40639bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:36, skipping insertion in model container [2024-09-11 20:54:36,451 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 08:54:36" (2/2) ... [2024-09-11 20:54:36,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644879d3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:36, skipping insertion in model container [2024-09-11 20:54:36,451 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 08:54:36" (2/2) ... [2024-09-11 20:54:36,456 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:36,456 INFO L1541 ArrayList]: Function contract at [L5]: requires null, ensures (\result == (\old(n) + \old(m))) [2024-09-11 20:54:36,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:36,583 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_10x0-1.c[481,494] [2024-09-11 20:54:36,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:36,596 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-11 20:54:36,624 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_10x0-1.c[481,494] [2024-09-11 20:54:36,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:36,643 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:36,644 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:36 WrapperNode [2024-09-11 20:54:36,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:36,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:36,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:36,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:36,655 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,655 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,661 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,668 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 20:54:36,669 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,669 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,673 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,675 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,679 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,680 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:36,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:36,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:36,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:36,684 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 08:54:36" (1/1) ... [2024-09-11 20:54:36,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:36,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:36,710 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 20:54:36,712 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 20:54:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-09-11 20:54:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-09-11 20:54:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:36,806 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:36,808 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:36,925 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:36,925 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:36,951 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:36,955 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:54:36,955 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 20:54:36,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:36,956 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:36,956 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:36,956 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:36,956 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:36" (1/4) ... [2024-09-11 20:54:36,957 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@21223b39 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 20:54:36,957 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 08:54:36" (2/4) ... [2024-09-11 20:54:36,957 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@21223b39 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 20:54:36,957 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 08:54:36" (3/4) ... [2024-09-11 20:54:36,957 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@21223b39 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 20:54:36,957 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 20:54:36,960 INFO L79 RefereeObserver]: Analyzing ICFG sum_10x0-1.c [2024-09-11 20:54:36,963 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:54:36,963 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:36,964 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:54:36,965 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:37,005 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:37,006 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:37,006 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:37,007 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:37,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:37,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:37,023 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:37,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:37,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:37,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:37,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:37,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:37,041 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:37,052 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:54:37,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:37,053 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:37,053 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:37,053 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:37,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:37,063 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-11 20:54:37,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:37,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:37,064 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:37,064 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:37,067 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:37,068 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location sumErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:37,071 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:54:37,071 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@21223b39 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:37, skipping insertion in model container [2024-09-11 20:54:37,071 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:37,072 INFO L158 Benchmark]: Toolchain (without parser) took 629.42ms. Allocated memory is still 77.6MB. Free memory was 49.1MB in the beginning and 33.3MB in the end (delta: 15.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:37,073 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 54.5MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:37,073 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 50.9MB in the end (delta: 215.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:37,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.01ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 56.9MB in the end (delta: -7.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:37,074 INFO L158 Benchmark]: Boogie Preprocessor took 37.00ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 55.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:37,075 INFO L158 Benchmark]: RCFGBuilder took 272.16ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 42.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:54:37,075 INFO L158 Benchmark]: Referee took 115.54ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 33.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:37,078 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 0.78ms. Allocated memory is still 54.5MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 50.9MB in the end (delta: 215.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.01ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 56.9MB in the end (delta: -7.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.00ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 55.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.16ms. Allocated memory is still 77.6MB. Free memory was 55.0MB in the beginning and 42.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 115.54ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 33.3MB in the end (delta: 9.1MB). 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 20:54:37,100 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN